---
_id: '21502'
abstract:
- lang: ger
text: Die vollständige Beschreibung fluiddynamischer und akustischer Vorgänge setzt
voraus, dass die Eigenschaften des Fluids hinlänglich bekannt sind.Während Fluidkenngrößen,
wie etwa die Schallgeschwindigkeit oder die Scherviskosität, für viele Flüssigkeiten
über weite Bereiche des thermodynamischen Zustandsraums bekannt sind, existieren
für die Volumenviskosität nur eine geringe Anzahl Messdaten.In dieser Arbeit wird
daher ein Messverfahren zur selektiven Bestimmung der Volumenviskosität von Flüssigkeiten,
basierend auf der Absorption von Ultraschallwellen, entwickelt und realisiert.Schwerpunkte
bilden dabei der simulationsgestützte Entwurf von Algorithmen zur Auswertung der
Messsignale sowie die Analyse und Weiterentwicklung einer Messanordnung, basierend
auf dem Puls-Echo-Verfahren. Neben der Absorption im Fluid treten dabei weitere
Effekte (zum Beispiel Beugung oder unvollständige Reflexion) auf, die das akustische
Signal schwächen oder anderweitig beeinflussen. Die Entwicklung von Verfahren
zur Trennung dieser Effekte von der akustischen Absorption bildet daher einen
weiteren Schwerpunkt dieser Arbeit.Abschließend wird die Volumenviskosität aus
der gemessenen akustischen Absorption für unterschiedliche Fluide in verschiedenen
thermodynamischen Zuständen unter Zuhilfenahme anderer bekannter Fluidkenngrößen
bestimmt sowie eine Unsicherheitsbetrachtung durchgeführt.
- lang: eng
text: The prerequisite for a complete description of fluid dynamic and acoustic
processes is that all properties of the fluid are known.While fluid parameters
such as the speed of sound or the shear viscosity are known for many liquids over
a wide range of thermodynamic states, only limited measurement data exist for
the bulk viscosity.In this thesis, a measurement method for the selective determination
of the bulk viscosity of liquids, based on the absorption of ultrasonic waves,
is developed and implemented.The focus is on the simulation-driven design of algorithms
for processing the measurement signals as well as the analysis and further development
of a measurement set-up based on the pulse-echo method.In addition to absorption
in the fluid, there are other effects (for example diffraction or incomplete reflection)
that weaken or otherwise influence the acoustic signal.Therefore, the development
of procedures to separate these effects from acoustic absorption is another focus
of this work.The bulk viscosity is determined from the measured acoustic absorption
for different fluids in different thermodynamic states. An uncertainty analysis
of the measured quantities concludes this thesis.
author:
- first_name: Leander
full_name: Claes, Leander
id: '11829'
last_name: Claes
orcid: 0000-0002-4393-268X
citation:
ama: Claes L. Messverfahren für die akustische Absorption in reinen Fluiden zur
Bestimmung der Volumenviskosität. Universiät Paderborn; 2021. doi:10.17619/UNIPB/1-1104
apa: Claes, L. (2021). Messverfahren für die akustische Absorption in reinen
Fluiden zur Bestimmung der Volumenviskosität. Universiät Paderborn. https://doi.org/10.17619/UNIPB/1-1104
bibtex: '@book{Claes_2021, title={Messverfahren für die akustische Absorption in
reinen Fluiden zur Bestimmung der Volumenviskosität}, DOI={10.17619/UNIPB/1-1104},
publisher={Universiät Paderborn}, author={Claes, Leander}, year={2021} }'
chicago: Claes, Leander. Messverfahren für die akustische Absorption in reinen
Fluiden zur Bestimmung der Volumenviskosität. Universiät Paderborn, 2021.
https://doi.org/10.17619/UNIPB/1-1104.
ieee: L. Claes, Messverfahren für die akustische Absorption in reinen Fluiden
zur Bestimmung der Volumenviskosität. Universiät Paderborn, 2021.
mla: Claes, Leander. Messverfahren für die akustische Absorption in reinen Fluiden
zur Bestimmung der Volumenviskosität. Universiät Paderborn, 2021, doi:10.17619/UNIPB/1-1104.
short: L. Claes, Messverfahren für die akustische Absorption in reinen Fluiden zur
Bestimmung der Volumenviskosität, Universiät Paderborn, 2021.
date_created: 2021-03-15T13:56:04Z
date_updated: 2022-09-06T07:08:31Z
department:
- _id: '49'
doi: 10.17619/UNIPB/1-1104
language:
- iso: ger
main_file_link:
- open_access: '1'
url: https://digital.ub.uni-paderborn.de/doi/10.17619/UNIPB/1-1104
oa: '1'
page: '223'
project:
- _id: '52'
name: Computing Resources Provided by the Paderborn Center for Parallel Computing
publisher: Universiät Paderborn
status: public
supervisor:
- first_name: Bernd
full_name: Henning, Bernd
id: '213'
last_name: Henning
- first_name: Jadran
full_name: Vrabec, Jadran
last_name: Vrabec
title: Messverfahren für die akustische Absorption in reinen Fluiden zur Bestimmung
der Volumenviskosität
type: dissertation
user_id: '11829'
year: '2021'
...
---
_id: '27575'
abstract:
- lang: eng
text: There is a distinct increase in the prevalence of depression with
the onset of puberty. The role of peripubertal testosterone levels in boys in
this context is insufficiently understood and may be modulated by a functional
polymorphism of the androgen receptor gene (AR), a variable number of CAG repeats.
Moreover, there is preliminary evidence that the relationship between testosterone,
CAG repeat length, and the severity of depressive symptoms may differ between
subclinical and overt depression, but this has neither been studied in a clinical
sample of adolescents with depression nor compared between subclinical and overt
depression in an adequately powered study. To investigate the relationship between
free testosterone, CAG repeat length of the AR, depression status (subclinical
vs. overt), and the severity of depressive symptoms, 118 boys treated as in- or
daycare patients at a single psychiatric hospital were studied. Of these, 73 boys
had at least mild depressive symptoms according to the Beck Depression Inventory-II
(BDI-II > 13). Higher-order moderation analysis in the multiple regression
framework revealed a constant relationship between free testosterone and depression
severity irrespective of the number of CAG repeats in adolescents with a BDI-II
score ≤ 13. In adolescents with a BDI-II score > 13, however, there was
a significant negative relationship between free testosterone and BDI-II score
in patients with <19 CAG repeats and a significant positive relationship
regarding free testosterone and BDI-II score in those with more than 28 CAG repeats,
even when considering important covariates. These results suggest that the effects
of testosterone on mood in male adolescents with depression depend on the genetic
make-up of the AR as well as on depression status. This complex relationship should
be considered by future studies addressing mental health issues against an endocrine
background and may, moreover, contribute to tailored treatment concepts in psychiatric
medicine, especially in adults.
author:
- first_name: Raphael
full_name: Hirtz, Raphael
last_name: Hirtz
- first_name: Lars
full_name: Libuda, Lars
id: '88682'
last_name: Libuda
orcid: 0000-0003-1603-3133
- first_name: Anke
full_name: Hinney, Anke
last_name: Hinney
- first_name: Manuel
full_name: Föcker, Manuel
last_name: Föcker
- first_name: Judith
full_name: Bühlmeier, Judith
last_name: Bühlmeier
- first_name: Paul-Martin
full_name: Holterhus, Paul-Martin
last_name: Holterhus
- first_name: Alexandra
full_name: Kulle, Alexandra
last_name: Kulle
- first_name: Cordula
full_name: Kiewert, Cordula
last_name: Kiewert
- first_name: Johannes
full_name: Hebebrand, Johannes
last_name: Hebebrand
- first_name: Corinna
full_name: Grasemann, Corinna
last_name: Grasemann
citation:
ama: 'Hirtz R, Libuda L, Hinney A, et al. Size Matters: The CAG Repeat Length of
the Androgen Receptor Gene, Testosterone, and Male Adolescent Depression Severity.
Frontiers in Psychiatry. Published online 2021. doi:10.3389/fpsyt.2021.732759'
apa: 'Hirtz, R., Libuda, L., Hinney, A., Föcker, M., Bühlmeier, J., Holterhus, P.-M.,
Kulle, A., Kiewert, C., Hebebrand, J., & Grasemann, C. (2021). Size Matters:
The CAG Repeat Length of the Androgen Receptor Gene, Testosterone, and Male Adolescent
Depression Severity. Frontiers in Psychiatry. https://doi.org/10.3389/fpsyt.2021.732759'
bibtex: '@article{Hirtz_Libuda_Hinney_Föcker_Bühlmeier_Holterhus_Kulle_Kiewert_Hebebrand_Grasemann_2021,
title={Size Matters: The CAG Repeat Length of the Androgen Receptor Gene, Testosterone,
and Male Adolescent Depression Severity}, DOI={10.3389/fpsyt.2021.732759},
journal={Frontiers in Psychiatry}, author={Hirtz, Raphael and Libuda, Lars and
Hinney, Anke and Föcker, Manuel and Bühlmeier, Judith and Holterhus, Paul-Martin
and Kulle, Alexandra and Kiewert, Cordula and Hebebrand, Johannes and Grasemann,
Corinna}, year={2021} }'
chicago: 'Hirtz, Raphael, Lars Libuda, Anke Hinney, Manuel Föcker, Judith Bühlmeier,
Paul-Martin Holterhus, Alexandra Kulle, Cordula Kiewert, Johannes Hebebrand, and
Corinna Grasemann. “Size Matters: The CAG Repeat Length of the Androgen Receptor
Gene, Testosterone, and Male Adolescent Depression Severity.” Frontiers in
Psychiatry, 2021. https://doi.org/10.3389/fpsyt.2021.732759.'
ieee: 'R. Hirtz et al., “Size Matters: The CAG Repeat Length of the Androgen
Receptor Gene, Testosterone, and Male Adolescent Depression Severity,” Frontiers
in Psychiatry, 2021, doi: 10.3389/fpsyt.2021.732759.'
mla: 'Hirtz, Raphael, et al. “Size Matters: The CAG Repeat Length of the Androgen
Receptor Gene, Testosterone, and Male Adolescent Depression Severity.” Frontiers
in Psychiatry, 2021, doi:10.3389/fpsyt.2021.732759.'
short: R. Hirtz, L. Libuda, A. Hinney, M. Föcker, J. Bühlmeier, P.-M. Holterhus,
A. Kulle, C. Kiewert, J. Hebebrand, C. Grasemann, Frontiers in Psychiatry (2021).
date_created: 2021-11-18T19:57:38Z
date_updated: 2022-09-15T09:40:45Z
department:
- _id: '35'
- _id: '22'
- _id: '395'
doi: 10.3389/fpsyt.2021.732759
extern: '1'
language:
- iso: eng
publication: Frontiers in Psychiatry
publication_identifier:
issn:
- 1664-0640
publication_status: published
status: public
title: 'Size Matters: The CAG Repeat Length of the Androgen Receptor Gene, Testosterone,
and Male Adolescent Depression Severity'
type: journal_article
user_id: '89838'
year: '2021'
...
---
_id: '27571'
abstract:
- lang: eng
text: '(1) Background: Evidence has accumulated that patients with anorexia
nervosa (AN) are at higher risk for vitamin D deficiency than healthy controls.
In epidemiologic studies, low 25(OH) vitamin D (25(OH)D) levels were associated
with depression. This study analyzed the relationship between 25(OH)D serum levels
in adolescent patients and AN and depressive symptoms over the course of treatment.
(2) Methods: 25(OH)D levels and depressive symptoms were analyzed in 93 adolescent
(in-)patients with AN from the Anorexia Nervosa Day patient versus Inpatient (ANDI)
multicenter trial at clinic admission, discharge, and 1 year follow up. Mixed
regression models were used to analyze the relationship between 25(OH)D levels
and depressive symptoms assessed by the Beck Depression Inventory (BDI-II). (3)
Results: Although mean 25(OH)D levels constantly remained in recommended ranges
(≥50 nmol/L) during AN treatment, levels decreased from (in)patient admission
to 1 year follow up. Levels of 25(OH)D were neither cross-sectionally, prospectively,
nor longitudinally associated with the BDI-II score. (4) Conclusions: This study
did not confirm that 25(OH)D levels are associated with depressive symptoms in
patients with AN. However, increasing risks of vitamin D deficiency over the course
of AN treatment indicate that clinicians should monitor 25(OH)D levels.'
article_number: '2356'
author:
- first_name: Manuel
full_name: Föcker, Manuel
last_name: Föcker
- first_name: Nina
full_name: Timmesfeld, Nina
last_name: Timmesfeld
- first_name: Judith
full_name: Bühlmeier, Judith
id: '89838'
last_name: Bühlmeier
- first_name: Denise
full_name: Zwanziger, Denise
last_name: Zwanziger
- first_name: Dagmar
full_name: Führer, Dagmar
last_name: Führer
- first_name: Corinna
full_name: Grasemann, Corinna
last_name: Grasemann
- first_name: Stefan
full_name: Ehrlich, Stefan
last_name: Ehrlich
- first_name: Karin
full_name: Egberts, Karin
last_name: Egberts
- first_name: Christian
full_name: Fleischhaker, Christian
last_name: Fleischhaker
- first_name: Christoph
full_name: Wewetzer, Christoph
last_name: Wewetzer
- first_name: Ida
full_name: Wessing, Ida
last_name: Wessing
- first_name: Jochen
full_name: Seitz, Jochen
last_name: Seitz
- first_name: Beate
full_name: Herpertz-Dahlmann, Beate
last_name: Herpertz-Dahlmann
- first_name: Johannes
full_name: Hebebrand, Johannes
last_name: Hebebrand
- first_name: Lars
full_name: Libuda, Lars
id: '88682'
last_name: Libuda
orcid: 0000-0003-1603-3133
citation:
ama: 'Föcker M, Timmesfeld N, Bühlmeier J, et al. Vitamin D Level Trajectories of
Adolescent Patients with Anorexia Nervosa at Inpatient Admission, during Treatment,
and at One Year Follow Up: Association with Depressive Symptoms. Nutrients.
Published online 2021. doi:10.3390/nu13072356'
apa: 'Föcker, M., Timmesfeld, N., Bühlmeier, J., Zwanziger, D., Führer, D., Grasemann,
C., Ehrlich, S., Egberts, K., Fleischhaker, C., Wewetzer, C., Wessing, I., Seitz,
J., Herpertz-Dahlmann, B., Hebebrand, J., & Libuda, L. (2021). Vitamin D Level
Trajectories of Adolescent Patients with Anorexia Nervosa at Inpatient Admission,
during Treatment, and at One Year Follow Up: Association with Depressive Symptoms.
Nutrients, Article 2356. https://doi.org/10.3390/nu13072356'
bibtex: '@article{Föcker_Timmesfeld_Bühlmeier_Zwanziger_Führer_Grasemann_Ehrlich_Egberts_Fleischhaker_Wewetzer_et
al._2021, title={Vitamin D Level Trajectories of Adolescent Patients with Anorexia
Nervosa at Inpatient Admission, during Treatment, and at One Year Follow Up: Association
with Depressive Symptoms}, DOI={10.3390/nu13072356},
number={2356}, journal={Nutrients}, author={Föcker, Manuel and Timmesfeld, Nina
and Bühlmeier, Judith and Zwanziger, Denise and Führer, Dagmar and Grasemann,
Corinna and Ehrlich, Stefan and Egberts, Karin and Fleischhaker, Christian and
Wewetzer, Christoph and et al.}, year={2021} }'
chicago: 'Föcker, Manuel, Nina Timmesfeld, Judith Bühlmeier, Denise Zwanziger, Dagmar
Führer, Corinna Grasemann, Stefan Ehrlich, et al. “Vitamin D Level Trajectories
of Adolescent Patients with Anorexia Nervosa at Inpatient Admission, during Treatment,
and at One Year Follow Up: Association with Depressive Symptoms.” Nutrients,
2021. https://doi.org/10.3390/nu13072356.'
ieee: 'M. Föcker et al., “Vitamin D Level Trajectories of Adolescent Patients
with Anorexia Nervosa at Inpatient Admission, during Treatment, and at One Year
Follow Up: Association with Depressive Symptoms,” Nutrients, Art. no. 2356,
2021, doi: 10.3390/nu13072356.'
mla: 'Föcker, Manuel, et al. “Vitamin D Level Trajectories of Adolescent Patients
with Anorexia Nervosa at Inpatient Admission, during Treatment, and at One Year
Follow Up: Association with Depressive Symptoms.” Nutrients, 2356, 2021,
doi:10.3390/nu13072356.'
short: M. Föcker, N. Timmesfeld, J. Bühlmeier, D. Zwanziger, D. Führer, C. Grasemann,
S. Ehrlich, K. Egberts, C. Fleischhaker, C. Wewetzer, I. Wessing, J. Seitz, B.
Herpertz-Dahlmann, J. Hebebrand, L. Libuda, Nutrients (2021).
date_created: 2021-11-18T19:23:23Z
date_updated: 2022-09-15T09:42:11Z
department:
- _id: '35'
- _id: '22'
- _id: '395'
doi: 10.3390/nu13072356
extern: '1'
language:
- iso: eng
publication: Nutrients
publication_identifier:
issn:
- 2072-6643
publication_status: published
status: public
title: 'Vitamin D Level Trajectories of Adolescent Patients with Anorexia Nervosa
at Inpatient Admission, during Treatment, and at One Year Follow Up: Association
with Depressive Symptoms'
type: journal_article
user_id: '89838'
year: '2021'
...
---
_id: '26632'
abstract:
- lang: eng
text: AbstractAnorexia nervosa (AN) is a severe
eating disorder and often associated with altered humoral immune responses. However,
distinct B cell maturation stages in peripheral blood in adolescents with AN have
not been characterized. Treatment effects and the relationship between clinical
and B cell parameters are also not fully understood. Here we investigated the
phenotype of circulating B cell subsets and the relationship with body composition
in adolescents with AN before (T0, n = 24) and after 6 weeks (T1, n = 20) of treatment.
Using multi-parameter flow cytometry, we found increased percentages of antigen-experienced
B cells and plasmablasts in patients with AN compared to healthy controls (n = 20).
In contrast, percentages of CD1d+CD5+
B cells and transitional B cells with immunoregulatory roles were reduced at T0
and T1. These B cell frequencies correlated positively with fat mass, fat mass
index (FMI), free fat mass index, and body mass index standard deviation score.
In addition, scavenger-like receptor CD5 expression levels were downregulated
on transitional B cells and correlated with fat mass and FMI in AN. Our findings
that regulatory B cell subgroups were reduced in AN and their strong relationship
with body composition parameters point toward an impact of immunoregulatory B
cells in the pathogenesis of AN.
author:
- first_name: Jana
full_name: Freff, Jana
last_name: Freff
- first_name: Kathrin
full_name: Schwarte, Kathrin
last_name: Schwarte
- first_name: Lisa
full_name: Bröker, Lisa
last_name: Bröker
- first_name: Judith
full_name: Bühlmeier, Judith
id: '89838'
last_name: Bühlmeier
- first_name: Isabelle
full_name: Kraft, Isabelle
last_name: Kraft
- first_name: Dana
full_name: Öztürk, Dana
last_name: Öztürk
- first_name: Anke
full_name: Hinney, Anke
last_name: Hinney
- first_name: Volker
full_name: Arolt, Volker
last_name: Arolt
- first_name: Udo
full_name: Dannlowski, Udo
last_name: Dannlowski
- first_name: Georg
full_name: Romer, Georg
last_name: Romer
- first_name: Bernhard T.
full_name: Baune, Bernhard T.
last_name: Baune
- first_name: Johannes
full_name: Hebebrand, Johannes
last_name: Hebebrand
- first_name: Manuel
full_name: Föcker, Manuel
last_name: Föcker
- first_name: Judith
full_name: Alferink, Judith
last_name: Alferink
citation:
ama: Freff J, Schwarte K, Bröker L, et al. Alterations in B cell subsets correlate
with body composition parameters in female adolescents with anorexia nervosa.
Scientific Reports. Published online 2021. doi:10.1038/s41598-020-80693-4
apa: Freff, J., Schwarte, K., Bröker, L., Bühlmeier, J., Kraft, I., Öztürk, D.,
Hinney, A., Arolt, V., Dannlowski, U., Romer, G., Baune, B. T., Hebebrand, J.,
Föcker, M., & Alferink, J. (2021). Alterations in B cell subsets correlate
with body composition parameters in female adolescents with anorexia nervosa.
Scientific Reports. https://doi.org/10.1038/s41598-020-80693-4
bibtex: '@article{Freff_Schwarte_Bröker_Bühlmeier_Kraft_Öztürk_Hinney_Arolt_Dannlowski_Romer_et
al._2021, title={Alterations in B cell subsets correlate with body composition
parameters in female adolescents with anorexia nervosa}, DOI={10.1038/s41598-020-80693-4},
journal={Scientific Reports}, author={Freff, Jana and Schwarte, Kathrin and Bröker,
Lisa and Bühlmeier, Judith and Kraft, Isabelle and Öztürk, Dana and Hinney, Anke
and Arolt, Volker and Dannlowski, Udo and Romer, Georg and et al.}, year={2021}
}'
chicago: Freff, Jana, Kathrin Schwarte, Lisa Bröker, Judith Bühlmeier, Isabelle
Kraft, Dana Öztürk, Anke Hinney, et al. “Alterations in B Cell Subsets Correlate
with Body Composition Parameters in Female Adolescents with Anorexia Nervosa.”
Scientific Reports, 2021. https://doi.org/10.1038/s41598-020-80693-4.
ieee: 'J. Freff et al., “Alterations in B cell subsets correlate with body
composition parameters in female adolescents with anorexia nervosa,” Scientific
Reports, 2021, doi: 10.1038/s41598-020-80693-4.'
mla: Freff, Jana, et al. “Alterations in B Cell Subsets Correlate with Body Composition
Parameters in Female Adolescents with Anorexia Nervosa.” Scientific Reports,
2021, doi:10.1038/s41598-020-80693-4.
short: J. Freff, K. Schwarte, L. Bröker, J. Bühlmeier, I. Kraft, D. Öztürk, A. Hinney,
V. Arolt, U. Dannlowski, G. Romer, B.T. Baune, J. Hebebrand, M. Föcker, J. Alferink,
Scientific Reports (2021).
date_created: 2021-10-20T18:56:17Z
date_updated: 2022-09-15T09:50:35Z
department:
- _id: '35'
- _id: '22'
- _id: '395'
doi: 10.1038/s41598-020-80693-4
extern: '1'
language:
- iso: eng
publication: Scientific Reports
publication_identifier:
issn:
- 2045-2322
publication_status: published
status: public
title: Alterations in B cell subsets correlate with body composition parameters in
female adolescents with anorexia nervosa
type: journal_article
user_id: '89838'
year: '2021'
...
---
_id: '26525'
author:
- first_name: Johannes
full_name: Hebebrand, Johannes
last_name: Hebebrand
- first_name: Jochen
full_name: Antel, Jochen
last_name: Antel
- first_name: Susanne
full_name: Tan, Susanne
last_name: Tan
- first_name: Martin
full_name: Wabitsch, Martin
last_name: Wabitsch
- first_name: Urban
full_name: Wiesing, Urban
last_name: Wiesing
- first_name: Nikolaus
full_name: Barth, Nikolaus
last_name: Barth
- first_name: Christine
full_name: Ludwig, Christine
last_name: Ludwig
- first_name: Judith
full_name: Bühlmeier, Judith
id: '89838'
last_name: Bühlmeier
- first_name: Lars
full_name: Libuda, Lars
id: '88682'
last_name: Libuda
orcid: 0000-0003-1603-3133
- first_name: Gabriella
full_name: Milos, Gabriella
last_name: Milos
- first_name: Anke
full_name: Hinney, Anke
last_name: Hinney
citation:
ama: 'Hebebrand J, Antel J, Tan S, et al. Kurzzeitige Behandlung von Patient_innen
mit Anorexia nervosa mit rekombinant hergestelltem Human-Leptin
(Metreleptin): Rasch einsetzende positive Effekte auf Stimmung,
Kognition und Verhalten. Zeitschrift für Kinder- und Jugendpsychiatrie und
Psychotherapie. Published online 2021:1-5. doi:10.1024/1422-4917/a000775'
apa: 'Hebebrand, J., Antel, J., Tan, S., Wabitsch, M., Wiesing, U., Barth, N., Ludwig,
C., Bühlmeier, J., Libuda, L., Milos, G., & Hinney, A. (2021). Kurzzeitige
Behandlung von Patient_innen mit Anorexia nervosa mit rekombinant
hergestelltem Human-Leptin (Metreleptin): Rasch einsetzende positive
Effekte auf Stimmung, Kognition und Verhalten. Zeitschrift für Kinder-
und Jugendpsychiatrie und Psychotherapie, 1–5. https://doi.org/10.1024/1422-4917/a000775'
bibtex: '@article{Hebebrand_Antel_Tan_Wabitsch_Wiesing_Barth_Ludwig_Bühlmeier_Libuda_Milos_et
al._2021, title={Kurzzeitige Behandlung von Patient_innen mit Anorexia nervosa
mit rekombinant hergestelltem Human-Leptin (Metreleptin):
Rasch einsetzende positive Effekte auf Stimmung, Kognition
und Verhalten}, DOI={10.1024/1422-4917/a000775},
journal={Zeitschrift für Kinder- und Jugendpsychiatrie und Psychotherapie}, author={Hebebrand,
Johannes and Antel, Jochen and Tan, Susanne and Wabitsch, Martin and Wiesing,
Urban and Barth, Nikolaus and Ludwig, Christine and Bühlmeier, Judith and Libuda,
Lars and Milos, Gabriella and et al.}, year={2021}, pages={1–5} }'
chicago: 'Hebebrand, Johannes, Jochen Antel, Susanne Tan, Martin Wabitsch, Urban
Wiesing, Nikolaus Barth, Christine Ludwig, et al. “Kurzzeitige Behandlung von
Patient_innen mit Anorexia nervosa mit rekombinant hergestelltem
Human-Leptin (Metreleptin): Rasch einsetzende positive Effekte
auf Stimmung, Kognition und Verhalten.” Zeitschrift für Kinder- und Jugendpsychiatrie
und Psychotherapie, 2021, 1–5. https://doi.org/10.1024/1422-4917/a000775.'
ieee: 'J. Hebebrand et al., “Kurzzeitige Behandlung von Patient_innen mit
Anorexia nervosa mit rekombinant hergestelltem Human-Leptin
(Metreleptin): Rasch einsetzende positive Effekte auf Stimmung,
Kognition und Verhalten,” Zeitschrift für Kinder- und Jugendpsychiatrie und
Psychotherapie, pp. 1–5, 2021, doi: 10.1024/1422-4917/a000775.'
mla: 'Hebebrand, Johannes, et al. “Kurzzeitige Behandlung von Patient_innen mit
Anorexia nervosa mit rekombinant hergestelltem Human-Leptin
(Metreleptin): Rasch einsetzende positive Effekte auf Stimmung,
Kognition und Verhalten.” Zeitschrift für Kinder- und Jugendpsychiatrie und
Psychotherapie, 2021, pp. 1–5, doi:10.1024/1422-4917/a000775.'
short: J. Hebebrand, J. Antel, S. Tan, M. Wabitsch, U. Wiesing, N. Barth, C. Ludwig,
J. Bühlmeier, L. Libuda, G. Milos, A. Hinney, Zeitschrift für Kinder- und Jugendpsychiatrie
und Psychotherapie (2021) 1–5.
date_created: 2021-10-19T09:55:10Z
date_updated: 2022-09-15T09:50:49Z
department:
- _id: '35'
- _id: '22'
doi: 10.1024/1422-4917/a000775
extern: '1'
language:
- iso: ger
page: 1-5
publication: Zeitschrift für Kinder- und Jugendpsychiatrie und Psychotherapie
publication_identifier:
issn:
- 1422-4917
- 1664-2880
publication_status: published
status: public
title: 'Kurzzeitige Behandlung von Patient_innen mit Anorexia nervosa mit rekombinant
hergestelltem Human-Leptin (Metreleptin): Rasch einsetzende positive Effekte
auf Stimmung, Kognition und Verhalten'
type: journal_article
user_id: '89838'
year: '2021'
...
---
_id: '22461'
author:
- first_name: Mike
full_name: Bothe, Mike
id: '72973'
last_name: Bothe
- first_name: Nicole
full_name: Lutters, Nicole
id: '22006'
last_name: Lutters
- first_name: Eugeny Y.
full_name: Kenig, Eugeny Y.
id: '665'
last_name: Kenig
citation:
ama: 'Bothe M, Lutters N, Kenig EY. Dynamic simulation of hazardous situations in
industrial closed loop processes considering chemical absorption. In: ACHEMA pulse;
2021.'
apa: Bothe, M., Lutters, N., & Kenig, E. Y. (2021). Dynamic simulation of
hazardous situations in industrial closed loop processes considering chemical
absorption. ACHEMA pulse, online-Konferenz (Frankfurt).
bibtex: '@inproceedings{Bothe_Lutters_Kenig_2021, place={online (Frankfurt)}, title={Dynamic
simulation of hazardous situations in industrial closed loop processes considering
chemical absorption}, publisher={ACHEMA pulse}, author={Bothe, Mike and Lutters,
Nicole and Kenig, Eugeny Y.}, year={2021} }'
chicago: 'Bothe, Mike, Nicole Lutters, and Eugeny Y. Kenig. “Dynamic Simulation
of Hazardous Situations in Industrial Closed Loop Processes Considering Chemical
Absorption.” online (Frankfurt): ACHEMA pulse, 2021.'
ieee: M. Bothe, N. Lutters, and E. Y. Kenig, “Dynamic simulation of hazardous situations
in industrial closed loop processes considering chemical absorption,” presented
at the ACHEMA pulse, online-Konferenz (Frankfurt), 2021.
mla: Bothe, Mike, et al. Dynamic Simulation of Hazardous Situations in Industrial
Closed Loop Processes Considering Chemical Absorption. ACHEMA pulse, 2021.
short: 'M. Bothe, N. Lutters, E.Y. Kenig, in: ACHEMA pulse, online (Frankfurt),
2021.'
conference:
end_date: 2021-06-16
location: online-Konferenz (Frankfurt)
name: ACHEMA pulse
start_date: 2021-06-15
date_created: 2021-06-17T08:03:57Z
date_updated: 2022-09-23T11:17:13Z
department:
- _id: '9'
- _id: '145'
language:
- iso: eng
place: online (Frankfurt)
publisher: ACHEMA pulse
status: public
title: Dynamic simulation of hazardous situations in industrial closed loop processes
considering chemical absorption
type: conference_abstract
user_id: '72973'
year: '2021'
...
---
_id: '33649'
article_number: '2000269'
author:
- first_name: Jan
full_name: Kessler, Jan
id: '65425'
last_name: Kessler
orcid: 0000-0002-8705-6992
- first_name: Francesco
full_name: Calcavecchia, Francesco
last_name: Calcavecchia
- first_name: Thomas
full_name: Kühne, Thomas
id: '49079'
last_name: Kühne
citation:
ama: Kessler J, Calcavecchia F, Kühne T. Artificial Neural Networks as Trial Wave
Functions for Quantum Monte Carlo. Advanced Theory and Simulations. 2021;4(4).
doi:10.1002/adts.202000269
apa: Kessler, J., Calcavecchia, F., & Kühne, T. (2021). Artificial Neural Networks
as Trial Wave Functions for Quantum Monte Carlo. Advanced Theory and Simulations,
4(4), Article 2000269. https://doi.org/10.1002/adts.202000269
bibtex: '@article{Kessler_Calcavecchia_Kühne_2021, title={Artificial Neural Networks
as Trial Wave Functions for Quantum Monte Carlo}, volume={4}, DOI={10.1002/adts.202000269},
number={42000269}, journal={Advanced Theory and Simulations}, publisher={Wiley},
author={Kessler, Jan and Calcavecchia, Francesco and Kühne, Thomas}, year={2021}
}'
chicago: Kessler, Jan, Francesco Calcavecchia, and Thomas Kühne. “Artificial Neural
Networks as Trial Wave Functions for Quantum Monte Carlo.” Advanced Theory
and Simulations 4, no. 4 (2021). https://doi.org/10.1002/adts.202000269.
ieee: 'J. Kessler, F. Calcavecchia, and T. Kühne, “Artificial Neural Networks as
Trial Wave Functions for Quantum Monte Carlo,” Advanced Theory and Simulations,
vol. 4, no. 4, Art. no. 2000269, 2021, doi: 10.1002/adts.202000269.'
mla: Kessler, Jan, et al. “Artificial Neural Networks as Trial Wave Functions for
Quantum Monte Carlo.” Advanced Theory and Simulations, vol. 4, no. 4, 2000269,
Wiley, 2021, doi:10.1002/adts.202000269.
short: J. Kessler, F. Calcavecchia, T. Kühne, Advanced Theory and Simulations 4
(2021).
date_created: 2022-10-10T08:15:23Z
date_updated: 2022-10-10T08:15:37Z
department:
- _id: '613'
doi: 10.1002/adts.202000269
intvolume: ' 4'
issue: '4'
keyword:
- Multidisciplinary
- Modeling and Simulation
- Numerical Analysis
- Statistics and Probability
language:
- iso: eng
publication: Advanced Theory and Simulations
publication_identifier:
issn:
- 2513-0390
- 2513-0390
publication_status: published
publisher: Wiley
status: public
title: Artificial Neural Networks as Trial Wave Functions for Quantum Monte Carlo
type: journal_article
user_id: '71051'
volume: 4
year: '2021'
...
---
_id: '33658'
abstract:
- lang: eng
text: We demonstrate how to fully ascribe Raman peaks simulated using ab
initio molecular dynamics to specific vibrations in the structure at finite temperatures
by means of Wannier functions. Here, we adopt our newly introduced method for
the simulation of the Raman spectra in which the total polarizability of the system
is expressed as a sum over Wannier polarizabilities. The assignment is then based
on the calculation of partial Raman activities arising from self- and/or cross-correlations
between different types of Wannier functions in the system. Different types of
Wannier functions can be distinguished based on their spatial spread. To demonstrate
the predictive power of this approach, we applied it to the case of a cyclohexane
molecule in the gas phase and were able to fully assign the simulated Raman peaks.
article_number: '1212'
author:
- first_name: Pouya
full_name: Partovi-Azar, Pouya
last_name: Partovi-Azar
- first_name: Thomas
full_name: Kühne, Thomas
id: '49079'
last_name: Kühne
citation:
ama: 'Partovi-Azar P, Kühne T. Full Assignment of Ab-Initio Raman Spectra at Finite
Temperatures Using Wannier Polarizabilities: Application to Cyclohexane Molecule
in Gas Phase. Micromachines. 2021;12(10). doi:10.3390/mi12101212'
apa: 'Partovi-Azar, P., & Kühne, T. (2021). Full Assignment of Ab-Initio Raman
Spectra at Finite Temperatures Using Wannier Polarizabilities: Application to
Cyclohexane Molecule in Gas Phase. Micromachines, 12(10), Article
1212. https://doi.org/10.3390/mi12101212'
bibtex: '@article{Partovi-Azar_Kühne_2021, title={Full Assignment of Ab-Initio Raman
Spectra at Finite Temperatures Using Wannier Polarizabilities: Application to
Cyclohexane Molecule in Gas Phase}, volume={12}, DOI={10.3390/mi12101212},
number={101212}, journal={Micromachines}, publisher={MDPI AG}, author={Partovi-Azar,
Pouya and Kühne, Thomas}, year={2021} }'
chicago: 'Partovi-Azar, Pouya, and Thomas Kühne. “Full Assignment of Ab-Initio Raman
Spectra at Finite Temperatures Using Wannier Polarizabilities: Application to
Cyclohexane Molecule in Gas Phase.” Micromachines 12, no. 10 (2021). https://doi.org/10.3390/mi12101212.'
ieee: 'P. Partovi-Azar and T. Kühne, “Full Assignment of Ab-Initio Raman Spectra
at Finite Temperatures Using Wannier Polarizabilities: Application to Cyclohexane
Molecule in Gas Phase,” Micromachines, vol. 12, no. 10, Art. no. 1212,
2021, doi: 10.3390/mi12101212.'
mla: 'Partovi-Azar, Pouya, and Thomas Kühne. “Full Assignment of Ab-Initio Raman
Spectra at Finite Temperatures Using Wannier Polarizabilities: Application to
Cyclohexane Molecule in Gas Phase.” Micromachines, vol. 12, no. 10, 1212,
MDPI AG, 2021, doi:10.3390/mi12101212.'
short: P. Partovi-Azar, T. Kühne, Micromachines 12 (2021).
date_created: 2022-10-10T08:24:47Z
date_updated: 2022-10-10T08:24:57Z
department:
- _id: '613'
doi: 10.3390/mi12101212
intvolume: ' 12'
issue: '10'
keyword:
- Electrical and Electronic Engineering
- Mechanical Engineering
- Control and Systems Engineering
language:
- iso: eng
publication: Micromachines
publication_identifier:
issn:
- 2072-666X
publication_status: published
publisher: MDPI AG
status: public
title: 'Full Assignment of Ab-Initio Raman Spectra at Finite Temperatures Using Wannier
Polarizabilities: Application to Cyclohexane Molecule in Gas Phase'
type: journal_article
user_id: '71051'
volume: 12
year: '2021'
...
---
_id: '30683'
abstract:
- lang: eng
text: 'When joining lightweight parts of various materials, clinching is a cost
efficient solution. In a production line, the quality of a clinch point is primarily
controlled by measurement of dimensions, which are accessible from outside. However,
methods such as visual testing and measuring the bottom thickness as well as the
outer diameter are not able to deliver any information about the most significant
geometrical characteristic of the clinch point, neck thickness and undercut. Furthermore,
ex-situ destructive methods such as microsectioning cannot detect elastic deformations
and cracks that close after unloading. In order to exceed the current limits,
a new non-destructive in-situ testing method for the clinching process is necessary.
This work proposes a concept to characterize clinch points in-situ by combining
two complementary non-destructive methods, namely, computed tomography (CT) and
ultrasonic testing. Firstly, clinch points with different geometrical characteristics
are analysed experimentally using ex-situ CT to get a highly spatially resolved
3D-image of the object. In this context, highly X-ray attenuating materials enhancing
the visibility of the sheet-sheet interface are investigated. Secondly, the test
specimens are modelled using finite element method (FEM) and a transient dynamic
analysis (TDA) is conducted to study the effect of the geometrical differences
on the deformation energy and to qualify the TDA as a fast in-situ non-destructive
method for characterizing clinch points at high temporal resolution. '
author:
- first_name: D.
full_name: Köhler, D.
last_name: Köhler
- first_name: B.
full_name: Sadeghian, B.
last_name: Sadeghian
- first_name: R.
full_name: Kupfer, R.
last_name: Kupfer
- first_name: J.
full_name: Troschitz, J.
last_name: Troschitz
- first_name: M.
full_name: Gude, M.
last_name: Gude
- first_name: A.
full_name: Brosius, A.
last_name: Brosius
citation:
ama: Köhler D, Sadeghian B, Kupfer R, Troschitz J, Gude M, Brosius A. A Method for
Characterization of Geometric Deviations in Clinch Points with Computed Tomography
and Transient Dynamic Analysis. Key Engineering Materials. 2021;883:89-96.
doi:10.4028/www.scientific.net/kem.883.89
apa: Köhler, D., Sadeghian, B., Kupfer, R., Troschitz, J., Gude, M., & Brosius,
A. (2021). A Method for Characterization of Geometric Deviations in Clinch Points
with Computed Tomography and Transient Dynamic Analysis. Key Engineering Materials,
883, 89–96. https://doi.org/10.4028/www.scientific.net/kem.883.89
bibtex: '@article{Köhler_Sadeghian_Kupfer_Troschitz_Gude_Brosius_2021, title={A
Method for Characterization of Geometric Deviations in Clinch Points with Computed
Tomography and Transient Dynamic Analysis}, volume={883}, DOI={10.4028/www.scientific.net/kem.883.89},
journal={Key Engineering Materials}, author={Köhler, D. and Sadeghian, B. and
Kupfer, R. and Troschitz, J. and Gude, M. and Brosius, A.}, year={2021}, pages={89–96}
}'
chicago: 'Köhler, D., B. Sadeghian, R. Kupfer, J. Troschitz, M. Gude, and A. Brosius.
“A Method for Characterization of Geometric Deviations in Clinch Points with Computed
Tomography and Transient Dynamic Analysis.” Key Engineering Materials 883
(2021): 89–96. https://doi.org/10.4028/www.scientific.net/kem.883.89.'
ieee: 'D. Köhler, B. Sadeghian, R. Kupfer, J. Troschitz, M. Gude, and A. Brosius,
“A Method for Characterization of Geometric Deviations in Clinch Points with Computed
Tomography and Transient Dynamic Analysis,” Key Engineering Materials,
vol. 883, pp. 89–96, 2021, doi: 10.4028/www.scientific.net/kem.883.89.'
mla: Köhler, D., et al. “A Method for Characterization of Geometric Deviations in
Clinch Points with Computed Tomography and Transient Dynamic Analysis.” Key
Engineering Materials, vol. 883, 2021, pp. 89–96, doi:10.4028/www.scientific.net/kem.883.89.
short: D. Köhler, B. Sadeghian, R. Kupfer, J. Troschitz, M. Gude, A. Brosius, Key
Engineering Materials 883 (2021) 89–96.
date_created: 2022-03-29T08:46:40Z
date_updated: 2023-01-02T11:48:16Z
department:
- _id: '630'
doi: 10.4028/www.scientific.net/kem.883.89
intvolume: ' 883'
language:
- iso: eng
page: 89-96
project:
- _id: '130'
grant_number: '418701707'
name: 'TRR 285: TRR 285'
- _id: '133'
name: 'TRR 285 - C: TRR 285 - Project Area C'
- _id: '148'
name: 'TRR 285 – C04: TRR 285 - Subproject C04'
publication: Key Engineering Materials
status: public
title: A Method for Characterization of Geometric Deviations in Clinch Points with
Computed Tomography and Transient Dynamic Analysis
type: journal_article
user_id: '14931'
volume: 883
year: '2021'
...
---
_id: '30688'
abstract:
- lang: eng
text: 'Thermally supported clinching (Hotclinch) is a novel promising process to
join dissimilar materials. Here, metal and fibre-reinforced thermoplastics (FRTP)
are used within this single step joining process and without the usage of auxiliary
parts like screws or rivets. For this purpose, heat is applied to improve the
formability of the reinforced thermoplastic. This enables joining of the materials
using conventional clinching-tools. Focus of this work is the modelling on mesoscopic
scale for the numerical simulation of this process. The FTRP-model takes the material
behaviour both of matrix and the fabric reinforced organo-sheet under process
temperatures into account. For describing the experimentally observed phenomena
such as large deformations, fibre failure and the interactions between matrix
and fibres as well as between fibres themselves, the usage of conventional, purely
Lagrangian based FEM methods is limited. Therefore, the combination of contact-models
with advanced modelling approaches like Arbitrary-Lagrangian-Eulerian (ALE), Coupled-Eulerian-Lagrangian
(CEL) and Smooth-ParticleHydrodynamics (SPH) for the numerical simulation of the
clinching process are employed. The different approaches are compared with regard
to simulation feasibility, robustness and results accuracy. It is shown, that
the CEL approach represents the most promising approach to describe the clinching
process. '
author:
- first_name: B.
full_name: Gröger, B.
last_name: Gröger
- first_name: A.
full_name: Hornig, A.
last_name: Hornig
- first_name: A.
full_name: Hoog, A.
last_name: Hoog
- first_name: M.
full_name: Gude, M.
last_name: Gude
citation:
ama: 'Gröger B, Hornig A, Hoog A, Gude M. Modelling of thermally supported clinching
of fibre-reinforced thermoplastics: Approaches on mesoscale considering large
deformations and fibre failure. ESAFORM 2021 - 24th International Conference
on Material Forming. Published online 2021. doi:10.25518/esaform21.4293'
apa: 'Gröger, B., Hornig, A., Hoog, A., & Gude, M. (2021). Modelling of thermally
supported clinching of fibre-reinforced thermoplastics: Approaches on mesoscale
considering large deformations and fibre failure. ESAFORM 2021 - 24th International
Conference on Material Forming. https://doi.org/10.25518/esaform21.4293'
bibtex: '@article{Gröger_Hornig_Hoog_Gude_2021, title={Modelling of thermally supported
clinching of fibre-reinforced thermoplastics: Approaches on mesoscale considering
large deformations and fibre failure}, DOI={10.25518/esaform21.4293},
journal={ESAFORM 2021 - 24th International Conference on Material Forming}, author={Gröger,
B. and Hornig, A. and Hoog, A. and Gude, M.}, year={2021} }'
chicago: 'Gröger, B., A. Hornig, A. Hoog, and M. Gude. “Modelling of Thermally Supported
Clinching of Fibre-Reinforced Thermoplastics: Approaches on Mesoscale Considering
Large Deformations and Fibre Failure.” ESAFORM 2021 - 24th International Conference
on Material Forming, 2021. https://doi.org/10.25518/esaform21.4293.'
ieee: 'B. Gröger, A. Hornig, A. Hoog, and M. Gude, “Modelling of thermally supported
clinching of fibre-reinforced thermoplastics: Approaches on mesoscale considering
large deformations and fibre failure,” ESAFORM 2021 - 24th International Conference
on Material Forming, 2021, doi: 10.25518/esaform21.4293.'
mla: 'Gröger, B., et al. “Modelling of Thermally Supported Clinching of Fibre-Reinforced
Thermoplastics: Approaches on Mesoscale Considering Large Deformations and Fibre
Failure.” ESAFORM 2021 - 24th International Conference on Material Forming,
2021, doi:10.25518/esaform21.4293.'
short: B. Gröger, A. Hornig, A. Hoog, M. Gude, ESAFORM 2021 - 24th International
Conference on Material Forming (2021).
date_created: 2022-03-29T08:52:57Z
date_updated: 2023-01-02T11:50:35Z
department:
- _id: '630'
doi: 10.25518/esaform21.4293
language:
- iso: eng
project:
- _id: '130'
grant_number: '418701707'
name: 'TRR 285: TRR 285'
- _id: '131'
name: 'TRR 285 - A: TRR 285 - Project Area A'
- _id: '137'
name: 'TRR 285 – A03: TRR 285 - Subproject A03'
publication: ESAFORM 2021 - 24th International Conference on Material Forming
status: public
title: 'Modelling of thermally supported clinching of fibre-reinforced thermoplastics:
Approaches on mesoscale considering large deformations and fibre failure'
type: journal_article
user_id: '14931'
year: '2021'
...
---
_id: '30720'
abstract:
- lang: eng
text: Predicting the durability of components under mechanical loading combined
with environmental conditions leading to corrosion is one of the most challenging
tasks in mechanical engineering. Precise predictions are neccesary for lightweight
design in transportation due to environmental protection. During corrosion often
hydrogen is produced by electrochemical reactions. Hydrogen embrittlement is one
of the most feared damage mechanisms for metal constructions leading to early
and unexpected failure. Until now predictions are mostly done through costly experiments.
In the present research, a first simple simulation model based on the fundamentals
of electrochemistry and continuum damage mechanics is developed to couple the
damage induced by the mechanical stress with the hydrogen embrittlement. Results
of the durability are presented for the case of uniaxial cyclic loading for varying
testing frequency.
author:
- first_name: M.
full_name: Hofmann, M.
last_name: Hofmann
- first_name: Y.
full_name: Shi, Y.
last_name: Shi
- first_name: T.
full_name: Wallmersperger, T.
last_name: Wallmersperger
citation:
ama: Hofmann M, Shi Y, Wallmersperger T. A first Model of Fatigue Corrosion of a
Metal through Hydrogen Embrittlement. PAMM. 2021;20. doi:10.1002/pamm.202000122
apa: Hofmann, M., Shi, Y., & Wallmersperger, T. (2021). A first Model of Fatigue
Corrosion of a Metal through Hydrogen Embrittlement. PAMM, 20. https://doi.org/10.1002/pamm.202000122
bibtex: '@article{Hofmann_Shi_Wallmersperger_2021, title={A first Model of Fatigue
Corrosion of a Metal through Hydrogen Embrittlement}, volume={20}, DOI={10.1002/pamm.202000122},
journal={PAMM}, author={Hofmann, M. and Shi, Y. and Wallmersperger, T.}, year={2021}
}'
chicago: Hofmann, M., Y. Shi, and T. Wallmersperger. “A First Model of Fatigue Corrosion
of a Metal through Hydrogen Embrittlement.” PAMM 20 (2021). https://doi.org/10.1002/pamm.202000122.
ieee: 'M. Hofmann, Y. Shi, and T. Wallmersperger, “A first Model of Fatigue Corrosion
of a Metal through Hydrogen Embrittlement,” PAMM, vol. 20, 2021, doi: 10.1002/pamm.202000122.'
mla: Hofmann, M., et al. “A First Model of Fatigue Corrosion of a Metal through
Hydrogen Embrittlement.” PAMM, vol. 20, 2021, doi:10.1002/pamm.202000122.
short: M. Hofmann, Y. Shi, T. Wallmersperger, PAMM 20 (2021).
date_created: 2022-03-29T10:36:29Z
date_updated: 2023-01-02T11:50:14Z
department:
- _id: '630'
doi: 10.1002/pamm.202000122
intvolume: ' 20'
language:
- iso: eng
project:
- _id: '130'
grant_number: '418701707'
name: 'TRR 285: TRR 285'
- _id: '132'
name: 'TRR 285 - B: TRR 285 - Project Area B'
- _id: '142'
name: 'TRR 285 – B03: TRR 285 - Subproject B03'
publication: PAMM
status: public
title: A first Model of Fatigue Corrosion of a Metal through Hydrogen Embrittlement
type: journal_article
user_id: '14931'
volume: 20
year: '2021'
...
---
_id: '34208'
abstract:
- lang: eng
text: Computational homogenization is a powerful tool which allows to obtain homogenized
properties of materials on the macroscale from the simulation of the underlying
microstructure. The response of the microstructure is, however, strongly affected
by variations in the microstructure geometry. The effect of geometry variations
is even stronger in cases when the material exhibits plastic deformations. In
this work we study a model of a steel alloy with arbitrary distributed elliptic
voids. We model one single unit cell of the material containing one single void.
The geometry of the void is not precisely known and is modeled as a variable orientation
of an ellipse. Large deformations applied to the unit cell necessitate a finite
elasto-plastic material model. Since the geometry variation is parameterized,
we can utilize the method recently developed for stochastic problems but also
applicable to all types of parametric problems — the isoparametric stochastic
local FEM (SL-FEM). It is an ideal tool for problems with only a few parameters
but strongly nonlinear dependency of the displacement fields on parameters. Simulations
demonstrate a strong effect of parameter variation on the plastic strains and,
thus, substantiate the use of the parametric computational homogenization approach.
author:
- first_name: Dmytro
full_name: Pivovarov, Dmytro
last_name: Pivovarov
- first_name: Julia
full_name: Mergheim, Julia
last_name: Mergheim
- first_name: Kai
full_name: Willner, Kai
last_name: Willner
- first_name: Paul
full_name: Steinmann, Paul
last_name: Steinmann
citation:
ama: 'Pivovarov D, Mergheim J, Willner K, Steinmann P. Parametric FEM for computational
homogenization of heterogeneous materials with random voids. In: PAMM.
Vol 20. Wiley; 2021. doi:10.1002/pamm.202000071'
apa: Pivovarov, D., Mergheim, J., Willner, K., & Steinmann, P. (2021). Parametric
FEM for computational homogenization of heterogeneous materials with random voids.
PAMM, 20(1). https://doi.org/10.1002/pamm.202000071
bibtex: '@inproceedings{Pivovarov_Mergheim_Willner_Steinmann_2021, title={Parametric
FEM for computational homogenization of heterogeneous materials with random voids},
volume={20}, DOI={10.1002/pamm.202000071},
number={1}, booktitle={PAMM}, publisher={Wiley}, author={Pivovarov, Dmytro and
Mergheim, Julia and Willner, Kai and Steinmann, Paul}, year={2021} }'
chicago: Pivovarov, Dmytro, Julia Mergheim, Kai Willner, and Paul Steinmann. “Parametric
FEM for Computational Homogenization of Heterogeneous Materials with Random Voids.”
In PAMM, Vol. 20. Wiley, 2021. https://doi.org/10.1002/pamm.202000071.
ieee: 'D. Pivovarov, J. Mergheim, K. Willner, and P. Steinmann, “Parametric FEM
for computational homogenization of heterogeneous materials with random voids,”
in PAMM, 2021, vol. 20, no. 1, doi: 10.1002/pamm.202000071.'
mla: Pivovarov, Dmytro, et al. “Parametric FEM for Computational Homogenization
of Heterogeneous Materials with Random Voids.” PAMM, vol. 20, no. 1, Wiley,
2021, doi:10.1002/pamm.202000071.
short: 'D. Pivovarov, J. Mergheim, K. Willner, P. Steinmann, in: PAMM, Wiley, 2021.'
date_created: 2022-12-05T20:45:22Z
date_updated: 2023-01-02T11:52:59Z
department:
- _id: '630'
doi: 10.1002/pamm.202000071
intvolume: ' 20'
issue: '1'
language:
- iso: eng
project:
- _id: '130'
grant_number: '418701707'
name: 'TRR 285: TRR 285'
- _id: '131'
name: 'TRR 285 - A: TRR 285 - Project Area A'
- _id: '139'
name: 'TRR 285 – A05: TRR 285 - Subproject A05'
publication: PAMM
publication_identifier:
issn:
- 1617-7061
- 1617-7061
publication_status: published
publisher: Wiley
status: public
title: Parametric FEM for computational homogenization of heterogeneous materials
with random voids
type: conference
user_id: '14931'
volume: 20
year: '2021'
...
---
_id: '35303'
abstract:
- lang: eng
text: "Abstract\r\n Purpose\r\n
\ Studies about effects of lunch dietary Glycemic Index
(GI) on cognition of schoolchildren are scarce. Our previous CogniDo GI study
found no changes of cognition in the early postprandial phase after consumption
of two rice types with medium vs. high dietary GI for lunch (i.e., 45 min after
starting lunch). This study investigated whether the dietary GI of lunch has an
impact on cognition of schoolchildren in the late postprandial phase, 90 min after
lunch.\r\n \r\n Methods\r\n
\ A randomized, 2 × 2 crossover intervention study was conducted
at a comprehensive school with 5th and 6th grade students. Participants (n = 212)
were randomly assigned to either sequence 1 or 2. In the first period, participants
of sequence 1 received a dish with high GI rice (GI: 79), those of sequence 2
with medium GI rice (GI: 64)—in the second period, 1 week later, vice versa. Computer-based
cognitive testing was performed 90 min after lunch examining tonic alertness,
visual search and task switching, and working memory. Treatment effects and treatment
effects adjusted for estimated lunch glycemic load (GL) were analyzed using a
linear mixed model.\r\n \r\n Results\r\n
\ The selected cognitive parameters were not affected by
the GI of lunch 90 min after lunch, neither after intention-to-treat nor in the
per-protocol analysis. Adjustment for GL also did not change results.\r\n
\ \r\n Conclusion\r\n
\ The present study revealed no notable differences after
the consumption of two rice types with medium vs. high dietary GI for lunch in
children’s cognitive function in the late postprandial phase, 90 min after lunch.\r\n
\ \r\n Clinical trial
registration\r\n German Clinical Trials Register
(DRKS00013597); date of registration: 16/04/2018, retrospectively registered.\r\n
\ "
author:
- first_name: Alina
full_name: Drozdowska, Alina
last_name: Drozdowska
- first_name: Kathrin
full_name: Sinningen, Kathrin
last_name: Sinningen
- first_name: Michael
full_name: Falkenstein, Michael
last_name: Falkenstein
- first_name: Henrik
full_name: Rudolf, Henrik
last_name: Rudolf
- first_name: Lars
full_name: Libuda, Lars
id: '88682'
last_name: Libuda
orcid: 0000-0003-1603-3133
- first_name: Anette
full_name: Buyken, Anette
id: '65985'
last_name: Buyken
- first_name: Thomas
full_name: Lücke, Thomas
last_name: Lücke
- first_name: Mathilde
full_name: Kersting, Mathilde
last_name: Kersting
citation:
ama: 'Drozdowska A, Sinningen K, Falkenstein M, et al. Impact of lunch with carbohydrates
differing in glycemic index on children’s cognitive functioning in the late postprandial
phase: a randomized crossover study. European Journal of Nutrition. 2021;61(3):1637-1647.
doi:10.1007/s00394-021-02766-y'
apa: 'Drozdowska, A., Sinningen, K., Falkenstein, M., Rudolf, H., Libuda, L., Buyken,
A., Lücke, T., & Kersting, M. (2021). Impact of lunch with carbohydrates differing
in glycemic index on children’s cognitive functioning in the late postprandial
phase: a randomized crossover study. European Journal of Nutrition, 61(3),
1637–1647. https://doi.org/10.1007/s00394-021-02766-y'
bibtex: '@article{Drozdowska_Sinningen_Falkenstein_Rudolf_Libuda_Buyken_Lücke_Kersting_2021,
title={Impact of lunch with carbohydrates differing in glycemic index on children’s
cognitive functioning in the late postprandial phase: a randomized crossover study},
volume={61}, DOI={10.1007/s00394-021-02766-y},
number={3}, journal={European Journal of Nutrition}, publisher={Springer Science
and Business Media LLC}, author={Drozdowska, Alina and Sinningen, Kathrin and
Falkenstein, Michael and Rudolf, Henrik and Libuda, Lars and Buyken, Anette and
Lücke, Thomas and Kersting, Mathilde}, year={2021}, pages={1637–1647} }'
chicago: 'Drozdowska, Alina, Kathrin Sinningen, Michael Falkenstein, Henrik Rudolf,
Lars Libuda, Anette Buyken, Thomas Lücke, and Mathilde Kersting. “Impact of Lunch
with Carbohydrates Differing in Glycemic Index on Children’s Cognitive Functioning
in the Late Postprandial Phase: A Randomized Crossover Study.” European Journal
of Nutrition 61, no. 3 (2021): 1637–47. https://doi.org/10.1007/s00394-021-02766-y.'
ieee: 'A. Drozdowska et al., “Impact of lunch with carbohydrates differing
in glycemic index on children’s cognitive functioning in the late postprandial
phase: a randomized crossover study,” European Journal of Nutrition, vol.
61, no. 3, pp. 1637–1647, 2021, doi: 10.1007/s00394-021-02766-y.'
mla: 'Drozdowska, Alina, et al. “Impact of Lunch with Carbohydrates Differing in
Glycemic Index on Children’s Cognitive Functioning in the Late Postprandial Phase:
A Randomized Crossover Study.” European Journal of Nutrition, vol. 61,
no. 3, Springer Science and Business Media LLC, 2021, pp. 1637–47, doi:10.1007/s00394-021-02766-y.'
short: A. Drozdowska, K. Sinningen, M. Falkenstein, H. Rudolf, L. Libuda, A. Buyken,
T. Lücke, M. Kersting, European Journal of Nutrition 61 (2021) 1637–1647.
date_created: 2023-01-05T14:49:10Z
date_updated: 2023-01-05T16:47:16Z
department:
- _id: '35'
- _id: '17'
- _id: '22'
- _id: '571'
- _id: '395'
doi: 10.1007/s00394-021-02766-y
intvolume: ' 61'
issue: '3'
keyword:
- Nutrition and Dietetics
- Medicine (miscellaneous)
language:
- iso: eng
page: 1637-1647
publication: European Journal of Nutrition
publication_identifier:
issn:
- 1436-6207
- 1436-6215
publication_status: published
publisher: Springer Science and Business Media LLC
status: public
title: 'Impact of lunch with carbohydrates differing in glycemic index on children''s
cognitive functioning in the late postprandial phase: a randomized crossover study'
type: journal_article
user_id: '61597'
volume: 61
year: '2021'
...
---
_id: '35575'
author:
- first_name: Moritz
full_name: Schulze Darup, Moritz
last_name: Schulze Darup
- first_name: Andreea B.
full_name: Alexandru, Andreea B.
last_name: Alexandru
- first_name: Daniel E.
full_name: Quevedo, Daniel E.
last_name: Quevedo
- first_name: George J.
full_name: Pappas, George J.
last_name: Pappas
citation:
ama: 'Schulze Darup M, Alexandru AB, Quevedo DE, Pappas GJ. Encrypted Control for
Networked Systems: An Illustrative Introduction and Current Challenges. IEEE
Control Systems. 2021;41(3):58-78. doi:10.1109/mcs.2021.3062956'
apa: 'Schulze Darup, M., Alexandru, A. B., Quevedo, D. E., & Pappas, G. J. (2021).
Encrypted Control for Networked Systems: An Illustrative Introduction and Current
Challenges. IEEE Control Systems, 41(3), 58–78. https://doi.org/10.1109/mcs.2021.3062956'
bibtex: '@article{Schulze Darup_Alexandru_Quevedo_Pappas_2021, title={Encrypted
Control for Networked Systems: An Illustrative Introduction and Current Challenges},
volume={41}, DOI={10.1109/mcs.2021.3062956},
number={3}, journal={IEEE Control Systems}, publisher={Institute of Electrical
and Electronics Engineers (IEEE)}, author={Schulze Darup, Moritz and Alexandru,
Andreea B. and Quevedo, Daniel E. and Pappas, George J.}, year={2021}, pages={58–78}
}'
chicago: 'Schulze Darup, Moritz, Andreea B. Alexandru, Daniel E. Quevedo, and George
J. Pappas. “Encrypted Control for Networked Systems: An Illustrative Introduction
and Current Challenges.” IEEE Control Systems 41, no. 3 (2021): 58–78.
https://doi.org/10.1109/mcs.2021.3062956.'
ieee: 'M. Schulze Darup, A. B. Alexandru, D. E. Quevedo, and G. J. Pappas, “Encrypted
Control for Networked Systems: An Illustrative Introduction and Current Challenges,”
IEEE Control Systems, vol. 41, no. 3, pp. 58–78, 2021, doi: 10.1109/mcs.2021.3062956.'
mla: 'Schulze Darup, Moritz, et al. “Encrypted Control for Networked Systems: An
Illustrative Introduction and Current Challenges.” IEEE Control Systems,
vol. 41, no. 3, Institute of Electrical and Electronics Engineers (IEEE), 2021,
pp. 58–78, doi:10.1109/mcs.2021.3062956.'
short: M. Schulze Darup, A.B. Alexandru, D.E. Quevedo, G.J. Pappas, IEEE Control
Systems 41 (2021) 58–78.
date_created: 2023-01-09T16:33:35Z
date_updated: 2023-01-09T16:43:23Z
department:
- _id: '622'
doi: 10.1109/mcs.2021.3062956
extern: '1'
intvolume: ' 41'
issue: '3'
keyword:
- Electrical and Electronic Engineering
- Modeling and Simulation
- Control and Systems Engineering
- Electrical and Electronic Engineering
- Modeling and Simulation
- Control and Systems Engineering
language:
- iso: eng
page: 58-78
publication: IEEE Control Systems
publication_identifier:
issn:
- 1066-033X
- 1941-000X
publication_status: published
publisher: Institute of Electrical and Electronics Engineers (IEEE)
status: public
title: 'Encrypted Control for Networked Systems: An Illustrative Introduction and
Current Challenges'
type: journal_article
user_id: '158'
volume: 41
year: '2021'
...
---
_id: '35774'
author:
- first_name: Timm
full_name: Albers, Timm
id: '48393'
last_name: Albers
- first_name: Agnes
full_name: Filipiak, Agnes
last_name: Filipiak
- first_name: Katja
full_name: Franzen, Katja
id: '75124'
last_name: Franzen
- first_name: Frank
full_name: Hellmich, Frank
id: '26282'
last_name: Hellmich
citation:
ama: 'Albers T, Filipiak A, Franzen K, Hellmich F. Kompetenzentwicklung im inklusiven
Unterricht (KinU) – eine internationale Perspektive. In: Schimek B, Kremsner G,
Proyer M, Grubich R, Paudel F, Grubich-Müller R, eds. Grenzen. Gänge. Zwischen.
Welten. Kontroversen – Entwicklungen – Perspektiven Der Inklusionsforschung.
Verlag Julius Klinkhardt; 2021:207–214. doi:10.35468/5924-22'
apa: Albers, T., Filipiak, A., Franzen, K., & Hellmich, F. (2021). Kompetenzentwicklung
im inklusiven Unterricht (KinU) – eine internationale Perspektive. In B. Schimek,
G. Kremsner, M. Proyer, R. Grubich, F. Paudel, & R. Grubich-Müller (Eds.),
Grenzen. Gänge. Zwischen. Welten. Kontroversen – Entwicklungen – Perspektiven
der Inklusionsforschung (pp. 207–214). Verlag Julius Klinkhardt. https://doi.org/10.35468/5924-22
bibtex: '@inbook{Albers_Filipiak_Franzen_Hellmich_2021, place={Bad Heilbrunn}, title={Kompetenzentwicklung
im inklusiven Unterricht (KinU) – eine internationale Perspektive}, DOI={10.35468/5924-22},
booktitle={Grenzen. Gänge. Zwischen. Welten. Kontroversen – Entwicklungen – Perspektiven
der Inklusionsforschung}, publisher={Verlag Julius Klinkhardt}, author={Albers,
Timm and Filipiak, Agnes and Franzen, Katja and Hellmich, Frank}, editor={Schimek,
Bernhard and Kremsner, Gertraud and Proyer, Michelle and Grubich, Rainer and Paudel,
Florentine and Grubich-Müller, Regina}, year={2021}, pages={207–214} }'
chicago: 'Albers, Timm, Agnes Filipiak, Katja Franzen, and Frank Hellmich. “Kompetenzentwicklung
Im Inklusiven Unterricht (KinU) – Eine Internationale Perspektive.” In Grenzen.
Gänge. Zwischen. Welten. Kontroversen – Entwicklungen – Perspektiven Der Inklusionsforschung,
edited by Bernhard Schimek, Gertraud Kremsner, Michelle Proyer, Rainer Grubich,
Florentine Paudel, and Regina Grubich-Müller, 207–214. Bad Heilbrunn: Verlag Julius
Klinkhardt, 2021. https://doi.org/10.35468/5924-22.'
ieee: 'T. Albers, A. Filipiak, K. Franzen, and F. Hellmich, “Kompetenzentwicklung
im inklusiven Unterricht (KinU) – eine internationale Perspektive,” in Grenzen.
Gänge. Zwischen. Welten. Kontroversen – Entwicklungen – Perspektiven der Inklusionsforschung,
B. Schimek, G. Kremsner, M. Proyer, R. Grubich, F. Paudel, and R. Grubich-Müller,
Eds. Bad Heilbrunn: Verlag Julius Klinkhardt, 2021, pp. 207–214.'
mla: Albers, Timm, et al. “Kompetenzentwicklung Im Inklusiven Unterricht (KinU)
– Eine Internationale Perspektive.” Grenzen. Gänge. Zwischen. Welten. Kontroversen
– Entwicklungen – Perspektiven Der Inklusionsforschung, edited by Bernhard
Schimek et al., Verlag Julius Klinkhardt, 2021, pp. 207–214, doi:10.35468/5924-22.
short: 'T. Albers, A. Filipiak, K. Franzen, F. Hellmich, in: B. Schimek, G. Kremsner,
M. Proyer, R. Grubich, F. Paudel, R. Grubich-Müller (Eds.), Grenzen. Gänge. Zwischen.
Welten. Kontroversen – Entwicklungen – Perspektiven Der Inklusionsforschung, Verlag
Julius Klinkhardt, Bad Heilbrunn, 2021, pp. 207–214.'
date_created: 2023-01-10T10:39:00Z
date_updated: 2023-01-10T15:01:37Z
department:
- _id: '460'
doi: 10.35468/5924-22
editor:
- first_name: Bernhard
full_name: Schimek, Bernhard
last_name: Schimek
- first_name: Gertraud
full_name: Kremsner, Gertraud
last_name: Kremsner
- first_name: Michelle
full_name: Proyer, Michelle
last_name: Proyer
- first_name: Rainer
full_name: Grubich, Rainer
last_name: Grubich
- first_name: Florentine
full_name: Paudel, Florentine
last_name: Paudel
- first_name: Regina
full_name: Grubich-Müller, Regina
last_name: Grubich-Müller
language:
- iso: eng
page: 207–214
place: Bad Heilbrunn
publication: Grenzen. Gänge. Zwischen. Welten. Kontroversen – Entwicklungen – Perspektiven
der Inklusionsforschung
publication_status: published
publisher: Verlag Julius Klinkhardt
status: public
title: Kompetenzentwicklung im inklusiven Unterricht (KinU) – eine internationale
Perspektive
type: book_chapter
user_id: '57672'
year: '2021'
...
---
_id: '22528'
abstract:
- lang: eng
text: Due to the ad hoc nature of wireless acoustic sensor networks, the position
of the sensor nodes is typically unknown. This contribution proposes a technique
to estimate the position and orientation of the sensor nodes from the recorded
speech signals. The method assumes that a node comprises a microphone array with
synchronously sampled microphones rather than a single microphone, but does not
require the sampling clocks of the nodes to be synchronized. From the observed
audio signals, the distances between the acoustic sources and arrays, as well
as the directions of arrival, are estimated. They serve as input to a non-linear
least squares problem, from which both the sensor nodes’ positions and orientations,
as well as the source positions, are alternatingly estimated in an iterative process.
Given one set of unknowns, i.e., either the source positions or the sensor nodes’
geometry, the other set of unknowns can be computed in closed-form. The proposed
approach is computationally efficient and the first one, which employs both distance
and directional information for geometry calibration in a common cost function.
Since both distance and direction of arrival measurements suffer from outliers,
e.g., caused by strong reflections of the sound waves on the surfaces of the room,
we introduce measures to deemphasize or remove unreliable measurements. Additionally,
we discuss modifications of our previously proposed deep neural network-based
acoustic distance estimator, to account not only for omnidirectional sources but
also for directional sources. Simulation results show good positioning accuracy
and compare very favorably with alternative approaches from the literature.
author:
- first_name: Tobias
full_name: Gburrek, Tobias
id: '44006'
last_name: Gburrek
- first_name: Joerg
full_name: Schmalenstroeer, Joerg
id: '460'
last_name: Schmalenstroeer
- first_name: Reinhold
full_name: Haeb-Umbach, Reinhold
id: '242'
last_name: Haeb-Umbach
citation:
ama: Gburrek T, Schmalenstroeer J, Haeb-Umbach R. Geometry calibration in wireless
acoustic sensor networks utilizing DoA and distance information. EURASIP Journal
on Audio, Speech, and Music Processing. Published online 2021. doi:10.1186/s13636-021-00210-x
apa: Gburrek, T., Schmalenstroeer, J., & Haeb-Umbach, R. (2021). Geometry calibration
in wireless acoustic sensor networks utilizing DoA and distance information. EURASIP
Journal on Audio, Speech, and Music Processing. https://doi.org/10.1186/s13636-021-00210-x
bibtex: '@article{Gburrek_Schmalenstroeer_Haeb-Umbach_2021, title={Geometry calibration
in wireless acoustic sensor networks utilizing DoA and distance information},
DOI={10.1186/s13636-021-00210-x},
journal={EURASIP Journal on Audio, Speech, and Music Processing}, author={Gburrek,
Tobias and Schmalenstroeer, Joerg and Haeb-Umbach, Reinhold}, year={2021} }'
chicago: Gburrek, Tobias, Joerg Schmalenstroeer, and Reinhold Haeb-Umbach. “Geometry
Calibration in Wireless Acoustic Sensor Networks Utilizing DoA and Distance Information.”
EURASIP Journal on Audio, Speech, and Music Processing, 2021. https://doi.org/10.1186/s13636-021-00210-x.
ieee: 'T. Gburrek, J. Schmalenstroeer, and R. Haeb-Umbach, “Geometry calibration
in wireless acoustic sensor networks utilizing DoA and distance information,”
EURASIP Journal on Audio, Speech, and Music Processing, 2021, doi: 10.1186/s13636-021-00210-x.'
mla: Gburrek, Tobias, et al. “Geometry Calibration in Wireless Acoustic Sensor Networks
Utilizing DoA and Distance Information.” EURASIP Journal on Audio, Speech,
and Music Processing, 2021, doi:10.1186/s13636-021-00210-x.
short: T. Gburrek, J. Schmalenstroeer, R. Haeb-Umbach, EURASIP Journal on Audio,
Speech, and Music Processing (2021).
date_created: 2021-07-05T05:30:15Z
date_updated: 2023-11-17T06:36:17Z
department:
- _id: '54'
doi: 10.1186/s13636-021-00210-x
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://asmp-eurasipjournals.springeropen.com/articles/10.1186/s13636-021-00210-x
oa: '1'
publication: EURASIP Journal on Audio, Speech, and Music Processing
publication_identifier:
issn:
- 1687-4722
publication_status: published
quality_controlled: '1'
status: public
title: Geometry calibration in wireless acoustic sensor networks utilizing DoA and
distance information
type: journal_article
user_id: '44006'
year: '2021'
...
---
_id: '47977'
abstract:
- lang: eng
text: Orange-colored crystals of the oxoferrate tellurate K12+6xFe6Te4−xO27 [x=0.222(4)]
were synthesized in a potassium hydroxide hydroflux with a molar water–base ratio
n(H2O)/n(KOH) of 1.5 starting from Fe(NO3)3 ⋅ 9H2O, TeO2 and H2O2 at about 200 °C.
By using (NH4)2TeO4 instead of TeO2, a fine powder consisting of microcrystalline
spheres of K12+6xFe6Te4−xO27 was obtained. K12+6xFe6Te4−xO27 crystallizes in the
acentric cubic space group Iurn:x-wiley:09476539:media:chem202102464:chem202102464-math-0001
3d. [FeIIIO5] pyramids share their apical atoms in [Fe2O9] groups and two of their
edges with [TeVIO6] octahedra to form an open framework that consists of two loosely
connected, but not interpenetrating, chiral networks. The flexibility of the hinged
oxometalate network manifests in a piezoelectric response similar to that of LiNbO3.The
potassium cations are mobile in channels that run along the <111> directions and
cross in cavities acting as nodes. The ion conductivity of cold-pressed pellets
of ball-milled K12+6xFe6Te4−xO27 is 2.3×10^(−4) S ⋅ cm^(−1) at room temperature.
Magnetization measurements and neutron diffraction indicate antiferromagnetic
coupling in the [Fe2O9] groups.
author:
- first_name: Ralf
full_name: Albrecht, Ralf
last_name: Albrecht
- first_name: Markus
full_name: Hoelzel, Markus
last_name: Hoelzel
- first_name: Henrik
full_name: Beccard, Henrik
last_name: Beccard
- first_name: Michael
full_name: Rüsing, Michael
id: '22501'
last_name: Rüsing
orcid: 0000-0003-4682-4577
- first_name: Lukas
full_name: Eng, Lukas
last_name: Eng
- first_name: Thomas
full_name: Doert, Thomas
last_name: Doert
- first_name: Michael
full_name: Ruck, Michael
last_name: Ruck
citation:
ama: Albrecht R, Hoelzel M, Beccard H, et al. Potassium Ion Conductivity in the
Cubic Labyrinth of a Piezoelectric, Antiferromagnetic Oxoferrate(III) Tellurate(VI).
Chemistry – A European Journal. 2021;27(57):14299-14306. doi:10.1002/chem.202102464
apa: Albrecht, R., Hoelzel, M., Beccard, H., Rüsing, M., Eng, L., Doert, T., &
Ruck, M. (2021). Potassium Ion Conductivity in the Cubic Labyrinth of a Piezoelectric,
Antiferromagnetic Oxoferrate(III) Tellurate(VI). Chemistry – A European Journal,
27(57), 14299–14306. https://doi.org/10.1002/chem.202102464
bibtex: '@article{Albrecht_Hoelzel_Beccard_Rüsing_Eng_Doert_Ruck_2021, title={Potassium
Ion Conductivity in the Cubic Labyrinth of a Piezoelectric, Antiferromagnetic
Oxoferrate(III) Tellurate(VI)}, volume={27}, DOI={10.1002/chem.202102464},
number={57}, journal={Chemistry – A European Journal}, publisher={Wiley}, author={Albrecht,
Ralf and Hoelzel, Markus and Beccard, Henrik and Rüsing, Michael and Eng, Lukas
and Doert, Thomas and Ruck, Michael}, year={2021}, pages={14299–14306} }'
chicago: 'Albrecht, Ralf, Markus Hoelzel, Henrik Beccard, Michael Rüsing, Lukas
Eng, Thomas Doert, and Michael Ruck. “Potassium Ion Conductivity in the Cubic
Labyrinth of a Piezoelectric, Antiferromagnetic Oxoferrate(III) Tellurate(VI).”
Chemistry – A European Journal 27, no. 57 (2021): 14299–306. https://doi.org/10.1002/chem.202102464.'
ieee: 'R. Albrecht et al., “Potassium Ion Conductivity in the Cubic Labyrinth
of a Piezoelectric, Antiferromagnetic Oxoferrate(III) Tellurate(VI),” Chemistry
– A European Journal, vol. 27, no. 57, pp. 14299–14306, 2021, doi: 10.1002/chem.202102464.'
mla: Albrecht, Ralf, et al. “Potassium Ion Conductivity in the Cubic Labyrinth of
a Piezoelectric, Antiferromagnetic Oxoferrate(III) Tellurate(VI).” Chemistry
– A European Journal, vol. 27, no. 57, Wiley, 2021, pp. 14299–306, doi:10.1002/chem.202102464.
short: R. Albrecht, M. Hoelzel, H. Beccard, M. Rüsing, L. Eng, T. Doert, M. Ruck,
Chemistry – A European Journal 27 (2021) 14299–14306.
date_created: 2023-10-11T08:39:51Z
date_updated: 2023-10-11T08:41:35Z
doi: 10.1002/chem.202102464
extern: '1'
intvolume: ' 27'
issue: '57'
keyword:
- General Chemistry
- Catalysis
- Organic Chemistry
language:
- iso: eng
page: 14299-14306
publication: Chemistry – A European Journal
publication_identifier:
issn:
- 0947-6539
- 1521-3765
publication_status: published
publisher: Wiley
quality_controlled: '1'
status: public
title: Potassium Ion Conductivity in the Cubic Labyrinth of a Piezoelectric, Antiferromagnetic
Oxoferrate(III) Tellurate(VI)
type: journal_article
user_id: '22501'
volume: 27
year: '2021'
...
---
_id: '28095'
abstract:
- lang: eng
text: Simulations are a prime performance evaluation technique for new Vehicle to
Everything (V2X) methods and approaches. However, after decades of simulation-backed
research, comparability and reproducibility of simulation studies is still low.
In this work, we first survey road traffic simulation parameters (that is, scenarios)
employed in recent scientific publications, revealing that many publications still
do not adequately describe simulation scenarios to make the results comprehensible.
As just one example, over 40% of the simulations using either a Manhattan Grid
or Chicago Grid do not provide information about the number of lanes. At the same
time, our survey reveals that, even though employed road traffic scenarios are
very use case specific, there exist many commonalities. We therefore advocate
basing research on use case specific variants of a set of these common standard
road traffic scenarios. We accompany this recommendation with Simple Synthetic
Scenarios for Sumo (SSS4S), a simple reference implementation to generate such
variants.
author:
- first_name: Tobias
full_name: Hardes, Tobias
last_name: Hardes
- first_name: Dalisha
full_name: Logan, Dalisha
last_name: Logan
- first_name: Christoph
full_name: Sommer, Christoph
last_name: Sommer
- first_name: Florian
full_name: Klingler, Florian
id: '49153'
last_name: Klingler
citation:
ama: 'Hardes T, Logan D, Sommer C, Klingler F. Poster: Enabling Comparable and Reproducible
Simulations for V2X Research. In: 13th IEEE Vehicular Networking Conference
(VNC 2021). IEEE; 2021. doi:10.1109/VNC52810.2021.9644677'
apa: 'Hardes, T., Logan, D., Sommer, C., & Klingler, F. (2021). Poster: Enabling
Comparable and Reproducible Simulations for V2X Research. 13th IEEE Vehicular
Networking Conference (VNC 2021). IEEE Vehicular Networking Conference, Virtual.
https://doi.org/10.1109/VNC52810.2021.9644677'
bibtex: '@inproceedings{Hardes_Logan_Sommer_Klingler_2021, title={Poster: Enabling
Comparable and Reproducible Simulations for V2X Research}, DOI={10.1109/VNC52810.2021.9644677},
booktitle={13th IEEE Vehicular Networking Conference (VNC 2021)}, publisher={IEEE},
author={Hardes, Tobias and Logan, Dalisha and Sommer, Christoph and Klingler,
Florian}, year={2021} }'
chicago: 'Hardes, Tobias, Dalisha Logan, Christoph Sommer, and Florian Klingler.
“Poster: Enabling Comparable and Reproducible Simulations for V2X Research.” In
13th IEEE Vehicular Networking Conference (VNC 2021). IEEE, 2021. https://doi.org/10.1109/VNC52810.2021.9644677.'
ieee: 'T. Hardes, D. Logan, C. Sommer, and F. Klingler, “Poster: Enabling Comparable
and Reproducible Simulations for V2X Research,” presented at the IEEE Vehicular
Networking Conference, Virtual, 2021, doi: 10.1109/VNC52810.2021.9644677.'
mla: 'Hardes, Tobias, et al. “Poster: Enabling Comparable and Reproducible Simulations
for V2X Research.” 13th IEEE Vehicular Networking Conference (VNC 2021),
IEEE, 2021, doi:10.1109/VNC52810.2021.9644677.'
short: 'T. Hardes, D. Logan, C. Sommer, F. Klingler, in: 13th IEEE Vehicular Networking
Conference (VNC 2021), IEEE, 2021.'
conference:
end_date: 2021-11-12
location: Virtual
name: IEEE Vehicular Networking Conference
start_date: 2021-11-10
date_created: 2021-11-29T19:51:33Z
date_updated: 2024-02-08T07:54:24Z
doi: 10.1109/VNC52810.2021.9644677
language:
- iso: eng
publication: 13th IEEE Vehicular Networking Conference (VNC 2021)
publication_identifier:
isbn:
- 978-1-66544-450-7
publication_status: published
publisher: IEEE
status: public
title: 'Poster: Enabling Comparable and Reproducible Simulations for V2X Research'
type: conference
user_id: '35441'
year: '2021'
...
---
_id: '47569'
abstract:
- lang: eng
text: AbstractThe trend of increasing product diversity
and decreasing production amounts led to the requirement of higher flexibility
of production processes of specialty chemicals. Conventional distillation columns,
mostly equipped with structured packings, lack the flexibility to handle product
changeovers and throughput. Thus, a newly designed distillation column for specialty
chemicals is presented. A numerical model was implemented to analyze the potential
of the wetted‐wall column. The simulation of the distillation of a binary methanol/water
mixture demonstrated that the wetted‐wall column can generate the desired concentration
and temperature profiles. Furthermore, analyses of the pressure drop and separation
efficiency with the test system chlorobenzene/ethylbenzene were conducted.
author:
- first_name: Arnulf
full_name: Reitze, Arnulf
last_name: Reitze
- first_name: Marcus
full_name: Grünewald, Marcus
last_name: Grünewald
- first_name: Julia
full_name: Riese, Julia
id: '101499'
last_name: Riese
orcid: 0000-0002-3053-0534
citation:
ama: Reitze A, Grünewald M, Riese J. Concept of a Flexible Wetted‐Wall Column for
the Distillation of Specialty Chemicals. Chemical Engineering & Technology.
2021;44(7):1327-1335. doi:10.1002/ceat.202000468
apa: Reitze, A., Grünewald, M., & Riese, J. (2021). Concept of a Flexible Wetted‐Wall
Column for the Distillation of Specialty Chemicals. Chemical Engineering &
Technology, 44(7), 1327–1335. https://doi.org/10.1002/ceat.202000468
bibtex: '@article{Reitze_Grünewald_Riese_2021, title={Concept of a Flexible Wetted‐Wall
Column for the Distillation of Specialty Chemicals}, volume={44}, DOI={10.1002/ceat.202000468},
number={7}, journal={Chemical Engineering & Technology}, publisher={Wiley},
author={Reitze, Arnulf and Grünewald, Marcus and Riese, Julia}, year={2021}, pages={1327–1335}
}'
chicago: 'Reitze, Arnulf, Marcus Grünewald, and Julia Riese. “Concept of a Flexible
Wetted‐Wall Column for the Distillation of Specialty Chemicals.” Chemical Engineering
& Technology 44, no. 7 (2021): 1327–35. https://doi.org/10.1002/ceat.202000468.'
ieee: 'A. Reitze, M. Grünewald, and J. Riese, “Concept of a Flexible Wetted‐Wall
Column for the Distillation of Specialty Chemicals,” Chemical Engineering &
Technology, vol. 44, no. 7, pp. 1327–1335, 2021, doi: 10.1002/ceat.202000468.'
mla: Reitze, Arnulf, et al. “Concept of a Flexible Wetted‐Wall Column for the Distillation
of Specialty Chemicals.” Chemical Engineering & Technology, vol.
44, no. 7, Wiley, 2021, pp. 1327–35, doi:10.1002/ceat.202000468.
short: A. Reitze, M. Grünewald, J. Riese, Chemical Engineering & Technology
44 (2021) 1327–1335.
date_created: 2023-10-04T14:17:00Z
date_updated: 2024-03-08T11:37:39Z
doi: 10.1002/ceat.202000468
extern: '1'
intvolume: ' 44'
issue: '7'
keyword:
- Industrial and Manufacturing Engineering
- General Chemical Engineering
- General Chemistry
language:
- iso: eng
page: 1327-1335
publication: Chemical Engineering & Technology
publication_identifier:
issn:
- 0930-7516
- 1521-4125
publication_status: published
publisher: Wiley
quality_controlled: '1'
status: public
title: Concept of a Flexible Wetted‐Wall Column for the Distillation of Specialty
Chemicals
type: journal_article
user_id: '101499'
volume: 44
year: '2021'
...
---
_id: '47564'
author:
- first_name: Arnulf
full_name: Reitze, Arnulf
last_name: Reitze
- first_name: Marcus
full_name: Grünewald, Marcus
last_name: Grünewald
- first_name: Julia
full_name: Riese, Julia
id: '101499'
last_name: Riese
orcid: 0000-0002-3053-0534
citation:
ama: Reitze A, Grünewald M, Riese J. Characterization of Liquid-Phase Distribution
in 3D Printed Structured Packings with an Enclosed Column Wall. Industrial
& Engineering Chemistry Research. 2021;61(1):740-746. doi:10.1021/acs.iecr.1c03931
apa: Reitze, A., Grünewald, M., & Riese, J. (2021). Characterization of Liquid-Phase
Distribution in 3D Printed Structured Packings with an Enclosed Column Wall. Industrial
& Engineering Chemistry Research, 61(1), 740–746. https://doi.org/10.1021/acs.iecr.1c03931
bibtex: '@article{Reitze_Grünewald_Riese_2021, title={Characterization of Liquid-Phase
Distribution in 3D Printed Structured Packings with an Enclosed Column Wall},
volume={61}, DOI={10.1021/acs.iecr.1c03931},
number={1}, journal={Industrial & Engineering Chemistry Research}, publisher={American
Chemical Society (ACS)}, author={Reitze, Arnulf and Grünewald, Marcus and Riese,
Julia}, year={2021}, pages={740–746} }'
chicago: 'Reitze, Arnulf, Marcus Grünewald, and Julia Riese. “Characterization of
Liquid-Phase Distribution in 3D Printed Structured Packings with an Enclosed Column
Wall.” Industrial & Engineering Chemistry Research 61, no. 1 (2021):
740–46. https://doi.org/10.1021/acs.iecr.1c03931.'
ieee: 'A. Reitze, M. Grünewald, and J. Riese, “Characterization of Liquid-Phase
Distribution in 3D Printed Structured Packings with an Enclosed Column Wall,”
Industrial & Engineering Chemistry Research, vol. 61, no. 1, pp.
740–746, 2021, doi: 10.1021/acs.iecr.1c03931.'
mla: Reitze, Arnulf, et al. “Characterization of Liquid-Phase Distribution in 3D
Printed Structured Packings with an Enclosed Column Wall.” Industrial &
Engineering Chemistry Research, vol. 61, no. 1, American Chemical Society
(ACS), 2021, pp. 740–46, doi:10.1021/acs.iecr.1c03931.
short: A. Reitze, M. Grünewald, J. Riese, Industrial & Engineering Chemistry
Research 61 (2021) 740–746.
date_created: 2023-10-04T14:16:01Z
date_updated: 2024-03-08T11:38:39Z
doi: 10.1021/acs.iecr.1c03931
extern: '1'
intvolume: ' 61'
issue: '1'
keyword:
- Industrial and Manufacturing Engineering
- General Chemical Engineering
- General Chemistry
language:
- iso: eng
page: 740-746
publication: Industrial & Engineering Chemistry Research
publication_identifier:
issn:
- 0888-5885
- 1520-5045
publication_status: published
publisher: American Chemical Society (ACS)
quality_controlled: '1'
status: public
title: Characterization of Liquid-Phase Distribution in 3D Printed Structured Packings
with an Enclosed Column Wall
type: journal_article
user_id: '101499'
volume: 61
year: '2021'
...