@article{46815, abstract = {{In this work, the influence of the filler–matrix adhesion on the tensile properties of laser-sintered parts built with Polyamide 613 filled with glass beads was investigated. For this purpose, dry blends of glass beads with and without organosilane coupling agents and polyamide powder were prepared and processed into tensile specimens on an EOS P396 laser sintering system. The samples were tested both in the dry state and after an accelerated conditioning in a climate chamber. Furthermore, finite element method (FEM) simulations were performed to model the extreme cases of optimum adhesion and no adhesion. By correlating the tensile tests with the simulation results and by analyzing the fracture surfaces, it was shown that the filler–matrix adhesion is sufficient in the dry state but is strongly degraded by conditioning. Even the presence of various organosilane thin films could not prevent a strong deterioration of the filler–matrix adhesion and the associated deterioration of the mechanical properties. Since a comparison with an injection-molded sample of the same polymer filler combination shows identical behavior after conditioning, it is assumed that this problem is not limited to additively manufactured parts.}}, author = {{Kletetzka, Ivo and Kosanke, Maren and Meinderink, Dennis and Neßlinger, Vanessa and Grundmeier, Guido and Schmid, Hans-Joachim}}, issn = {{2363-9512}}, journal = {{Progress in Additive Manufacturing}}, keywords = {{Industrial and Manufacturing Engineering}}, publisher = {{Springer Science and Business Media LLC}}, title = {{{Influence of the filler–matrix adhesion and the effects of conditioning on tensile properties of laser-sintered parts built with polyamide–glass bead dry blends}}}, doi = {{10.1007/s40964-023-00501-z}}, year = {{2023}}, } @unpublished{43049, abstract = {{Abstract In this work, the influence of the filler matrix adhesion on the tensile properties of laser-sintered parts built with Polyamide 613 filled with glass beads was investigated. For this purpose, dry blends of glass beads with and without organosilane coupling agents and polyamide powder were prepared and processed into tensile specimens on an EOS P396. The samples were tested both in the dry state and after an accelerated conditioning in a climate chamber. Furthermore, FEM simulations were performed to model the limiting cases of optimum adhesion and no adhesion. By correlating the tensile tests with the simulation results and by analyzing the fracture surfaces, it was shown that the filler matrix adhesion is sufficient in the dry state but is strongly degraded by conditioning. Even the presence of various organosilane thin films could not prevent a strong deterioration of the filler-matrix adhesion and the associated deterioration of the mechanical properties. Since a comparison with an injection molded sample of the same polymer filler combination shows identical behavior after conditioning, it is assumed that this problem is not limited to additively manufactured parts.}}, author = {{Kletetzka, Ivo and Kosanke, Maren and Meinderink, Dennis and Neßlinger, Vanessa and Grundmeier, Guido and Schmid, Hans-Joachim}}, publisher = {{Research Square Platform LLC}}, title = {{{Influence of the filler matrix adhesion and the effects of conditioning on tensile properties of laser sintered parts built with polyamide glass bead dry blends}}}, year = {{2023}}, } @article{43046, abstract = {{In the laser sintering technology, the semi-crystalline polymer material is exposed to elevated temperatures during processing, which leads to serious material ageing for most materials. This has already been investigated intensively by various authors. However, the ageing of the material at ambient temperatures during shelf life has not been the focus so far. The need to analyse the shelf life can be derived from an ecological and economic point of view. This work is focusing on the shelf life of PA2200 (PA12). To reduce the potential influences of powder production fluctuations, two different powder batches stored for 5.5 years and 6.5 years are investigated and compared to a reference powder produced 0.5 years before these investigations. Multiple powder analyses and part characterisations have been performed. A significant yellowing and molecular chain length reduction can be derived from the measurement results. Whereas the influence on mechanical part performance was minor, the parts built with the stored powders are more yellowish. As it is most likely that this is due to the consumption of polyamide stabilisers, it can be assumed that these parts will be subject to significantly faster ageing. Therefore, it is still not recommended to use the stored powders for critical parts or light intense and humid environments.}}, author = {{Klippstein, Sven Helge and Kletetzka, Ivo and Sural, Ilknur and Schmid, Hans-Joachim}}, journal = {{The International Journal of Advanced Manufacturing Technology }}, keywords = {{Selective laser sintering, Shelf life, Polyamide 12, powder, PA2200, material ageing}}, publisher = {{Springer}}, title = {{{Influence of a prolonged shelf time on PA12 laser sintering powder and resulting part properties}}}, doi = {{https://doi.org/10.1007/s00170-023-11243-1}}, year = {{2023}}, } @article{47155, abstract = {{»Über Geld spricht man nicht.« Diese Benimmregel erweist sich beim Blick in die Ver- gangenheit als Illusion. Keineswegs war Geld grundsätzlich ein Tabuthema zwischen- menschlicher Kommunikation. Ganz im Gegenteil: Mit dem Reden über Geld wird dieses mit Bedeutung aufgeladen. Die Autor*innen dieses Themenheftes untersuch en Gelddis- kurse und die Zuschreibungen von Bedeutung an Geld in der internationalen Geschichte.}}, author = {{Schönhärl, Korinna and Schotters, Frederike and Thiemeyer, Guido}}, journal = {{Werkstatt Geschichte}}, keywords = {{Financial History, Discourse Analysis, History of Money}}, title = {{{Editorial}}}, volume = {{88}}, year = {{2023}}, } @inproceedings{46813, abstract = {{Modelling of dynamic systems plays an important role in many engineering disciplines. Two different approaches are physical modelling and data‐driven modelling, both of which have their respective advantages and disadvantages. By combining these two approaches, hybrid models can be created in which the respective disadvantages are mitigated, with discrepancy models being a particular subclass. Here, the basic system behaviour is described physically, that is, in the form of differential equations. Inaccuracies resulting from insufficient modelling or numerics lead to a discrepancy between the measurements and the model, which can be compensated by a data‐driven error correction term. Since discrepancy methods still require a large amount of measurement data, this paper investigates the extent to which a single discrepancy model can be trained for a physical model with additional parameter dependencies without the need for retraining. As an example, a damped electromagnetic oscillating circuit is used. The physical model is realised by a differential equation describing the electric current, considering only inductance and capacitance; dissipation due to resistance is neglected. This creates a discrepancy between measurement and model, which is corrected by a data‐driven model. In the experiments, the inductance and the capacity are varied. It is found that the same data‐driven model can only be used if additional parametric dependencies in the data‐driven term are considered as well.}}, author = {{Wohlleben, Meike Claudia and Muth, Lars and Peitz, Sebastian and Sextro, Walter}}, booktitle = {{Proceedings in Applied Mathematics and Mechanics}}, issn = {{1617-7061}}, keywords = {{Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics}}, publisher = {{Wiley}}, title = {{{Transferability of a discrepancy model for the dynamics of electromagnetic oscillating circuits}}}, doi = {{10.1002/pamm.202300039}}, year = {{2023}}, } @inproceedings{46067, abstract = {{

The study investigates two different ways of guiding the addressee of an explanation - an explainee, through action demonstration: contrastive and non-contrastive. Their effect was tested on attention to specific action elements (goal) as well as on event memory. In an eye-tracking experiment, participants were shown different motion videos that were either contrastive or non-contrastive with respect to the segments of movement presentation. Given that everyday action demonstration is often multimodal, the stimuli were created with re- spect to their visual and verbal presentation. For visual presentation, a video combined two movements in a contrastive (e.g., Up-motion following a Down-motion) or non-contrastive way (e.g., two Up-motions following each other). For verbal presentation, each video was combined with a sequence of instruction descriptions in the form of negative (i.e., contrastive) or assertive (i.e., non-contrastive) guidance. It was found that a) attention to the event goal increased for this condition in the later time window, and b) participants’ recall of the event was facilitated when a visually contrastive motion was combined with a verbal contrast.

}}, author = {{Singh, Amit and Rohlfing, Katharina J.}}, booktitle = {{Proceedings of the Annual Meeting of the Cognitive Science Society 45 (45)}}, keywords = {{Attention, negation, contrastive guidance, eye-movements, action understanding, event representation}}, location = {{Sydney}}, publisher = {{Cognitive Science Society}}, title = {{{Contrastiveness in the context of action demonstration: an eye-tracking study on its effects on action perception and action recall}}}, year = {{2023}}, } @article{48676, abstract = {{Die charakteristische Verbzweitstellung des Deutschen und die sogenannte Satzklammer führen bei der Sprachproduktion vieler Lernender zu klassischen Fehlern und Frustration. Die Herausforderung für den fremdsprachlichen A1-/A2-Unterricht besteht darin, das Phänomen der Verbstellung didaktisch so zu reduzieren, dass der Gegenstand zwar nicht unzulässig vereinfacht wird, die DaF-Lernenden aber ein leicht handhabbares Modell für die Sprachproduktion zur Verfügung haben, das sie auch ohne umfassende linguistische Vorkenntnisse nutzen können. Im vorliegenden Beitrag werden wir zeigen, wie eine Vermittlung dieses grammatischen Inhalts durch Metaphorisierung und Visualisierung gelingen kann. Dazu untersuchen wir gängige Metaphern, die in Lehrmaterial für A1-/A2-Niveau zur Einführung der Verbzweitstellung und der Klammerstruktur verwendet werden, und geben einen Überblick über die dort eingesetzten Visualisierungen, deren didaktischen Nutzen wir anhand eines von uns erstellten Kriterienkatalogs analysieren. Hierzu fassen wir syntaktische Modelle wie das Feldermodell, die Dependenz- und die Valenztheorie im Kontext unseres Interesses zusammen. Ziel unserer Untersuchung ist es, brauchbare und ausbaufähige Modelle zu identifizieren.}}, author = {{Lentfort, Theresa and Mentchen, Silke}}, journal = {{GfL}}, keywords = {{A1-/A2-Unterricht, Verbstellung, Satzklammer, Metapher, Visualisierung, Lerntheorie, Kognitive Linguistik, Lehrmaterial}}, number = {{2}}, pages = {{72 -- 97}}, title = {{{Show me the verb: Visualisierung von Wortstellungsregeln im DaF-Unterricht für die Grundstufe}}}, year = {{2023}}, } @inbook{49955, author = {{Silvestri, Marco}}, booktitle = {{Motion: Migrations. Proceedings of the 35th World Congress of Art History}}, editor = {{Mattos Avolese , Claudia }}, isbn = {{978-85-93921-02-5}}, pages = {{1120--1140}}, title = {{{Cities Made of Silver. The Impact of Migration Processes and Architectural Theory on the Urban Planning of Early Modern Mining Towns}}}, year = {{2023}}, } @inbook{56674, author = {{Georgi, Christopher and Haaf, Susanne}}, booktitle = {{Historische Textmuster im Wandel: Neue Wege zu ihrer Erschließung}}, editor = {{Schuster, Britt-Marie and Haaf, Susanne}}, isbn = {{9783111086538}}, pages = {{41–75}}, publisher = {{De Gruyter}}, title = {{{Die Volltextdigitalisierung der „Allgemeinen Zeitung“ (1830–1929): Historischer Hintergrund, Workflow und Forschungsperspektiven}}}, doi = {{10.1515/9783111086538-004}}, year = {{2023}}, } @misc{48430, abstract = {{Bei dem betrachteten Speicherproblem werden Daten mit verschiedenen Zugriffswahrscheinlichkeiten auf Speicher mit verschiedenen Bandbreiten und Kapazitäten aufgeteilt, dabei sind Replikate erlaubt. Es wird die nach Zugriffswahrscheinlichkeit gewichtete kleinste Bandbreite der Daten maximiert. Wir zeigen, dass sowohl das diskrete Speicherproblem, bei dem die Bandbreite der Speicher jeweils gleichmäßig auf die dort abgelegten Daten aufgeteilt wird, als auch das kontinuierliche Speicherproblem, bei dem die Bandbreite der Speicher beliebig auf abgelegte Daten verteilt werden darf, NP-schwer ist. Es können also, wenn P ̸ = NP, keine effizienten Algorithmen für eine optimale Lösung existieren. Stattdessen zeigen wir jeweils einen 1/2-Approximationsalgorithmus.}}, author = {{Decking, Leo}}, title = {{{Zuweisung verteilter Speicher unter Maximierung der minimalen gewichteten Bandbreite}}}, year = {{2023}}, } @article{44058, abstract = {{A relatively small body of research has been conducted on the near- and long-term effects of study abroad (SA) to date. This existing research suggests that SA effects on language skills tend to be volatile, while the impact on various aspects of learners’ personal, academic, and professional development may be longer-lasting. Yet, learner perspectives on the dynamics and durability of such effects, in particular in the context of short-term SA programs, remain largely unexplored. This study hence investigates the near-term impact of short-term SA programs as experienced by students within the first months and years following their sojourns. A qualitative case-study design is employed to examine the accounts of four American students of German, who studied abroad in Austria for four weeks and were interviewed repeatedly over a period of up to 40 months after their sojourns. The results suggest that, from the students’ perspective, many effects deteriorate in the near term, although the overall sojourn experience still appears influential. Abstract in German Nur wenige Forschungsvorhaben haben sich bislang den mittel- bis langfristigen Auswirkungen studentischer Auslandsaufenthalte gewidmet; die bisherige Datenlage deutet jedoch darauf hin, dass die Auswirkungen auf sprachliche Kompetenzen eher unbeständig sind, wohingegen die persönliche, studiums- und berufsbezogene Entwicklung der Lernenden länger von einem Auslandsaufenthalt beeinflusst wird. Die Dynamik und Beständigkeit derartiger Auswirkungen wurden jedoch kaum mit Blick auf kurze Auslandsaufenthalte (≤ acht Wochen) sowie aus der Perspektive der Studierenden erforscht, was die vorliegende Studie insbesondere hinsichtlich mittelfristiger Effekte fokussiert. Mittels eines qualitativen Fallstudiendesigns werden die Interviewdaten vier amerikanischer Deutschlernender untersucht, die sich vier Wochen in Österreich aufhielten und in einem Zeitraum von bis zu 40 Monaten nach ihrem Aufenthalt wiederholt befragt wurden. Die Ergebnisse zeigen, dass viele Auswirkungen eines solchen Aufenthalts aus studentischer Perspektive mittelfristig verblassen, auch wenn der Auslandsaufenthalt im Gesamten weiterhin als einflussreiche Erfahrung wahrgenommen wird.}}, author = {{Müller, Mareike}}, issn = {{2380-8144}}, journal = {{Frontiers: The Interdisciplinary Journal of Study Abroad}}, number = {{1}}, pages = {{275--304}}, publisher = {{The Forum on Education Abroad}}, title = {{{Near-term effects of short-term study abroad: A longitudinal examination of learner perceptions}}}, doi = {{10.36366/frontiers.v35i1.684}}, volume = {{35}}, year = {{2023}}, } @inbook{56797, abstract = {{Dieser Tagungsband greift vielfältige Impulse der Konferenz, die unter dem Motto „Agile Didaktik für nachhaltige Entwicklung“ stand, auf. Damit wird eine spannende und inspirierende weitere Auseinandersetzung mit den angesprochenen Themenschwerpunkten unterstützt. Gleichzeitig wird einmal mehr deutlich, dass das Inverted-Classroom-Modell nicht auf eine spezielle Fachdisziplin oder ausgewählte Lehrveranstaltungsformate beschränkt ist. Es ist ein Mindset und gleichzeitig eine Einladung für die Weiterentwicklung agiler Bildung für nachhaltige Entwicklung. Geliefert werden weiters viele Impulse, die Anregungen für die Hochschuldidaktik sowie für die strategische Ausrichtung von Hochschulen bringen, die dann noch stärker Mitverantwortung für gesellschaftliche Transformationsprozesse übernehmen, mehr noch, diese in vieler Hinsicht aktiv mitgestalten}}, author = {{Kopitsch, Gerlinde and Wengler, Katja and Neiske, Iris and Freisleben-Teutscher, Christian F.}}, booktitle = {{Inverted Classroom and beyond 2023: Agile Didaktik für nachhaltige Bildung}}, editor = {{Buchner, Josef and Freisleben-Teutscher, Christian F. and Hüther, Judith and Neiske, Iris and Morisse, Karsten and Reimer, Ricarda and Tengler, Karin}}, isbn = {{9783752645262}}, keywords = {{Inverted Classroom, Flipped Classroom, Selbstlernphase, Student Engagement}}, pages = {{116--129}}, title = {{{Gestaltung von Selbstlernphasen zur Förderung von Student Engagement}}}, year = {{2023}}, } @inbook{46763, abstract = {{In diesem Artikel werden verschiedene Online-Tools für die Lehre vorgestellt, die agil genutzt werden können. Die Tools sind innerhalb von wenigen Minuten für die Lehre eingerichtet. Damit können sie bei einer agilen Didaktik genutzt werden, bei der in der Lehrveranstaltung spontan entschieden wird, wie der weitere Unterrichtsverlauf aussieht.}}, author = {{Neiske, Iris and Osthushenrich, Judith}}, booktitle = {{Inverted Classroom and beyond 2023: Agile Didaktik für nachhaltige Bildung}}, editor = {{Buchner, Josef and Freisleben-Teutscher, Christian F. and Hüther, Judith and Neiske, Iris and Morisse, Karsten and Reimer, Ricarda and Tengler, Karin}}, isbn = {{9783752645262}}, title = {{{Agile Tools für agile Didaktik}}}, year = {{2023}}, } @book{51628, author = {{Vöing, Nerea and Schmidt, Rebekka and Neiske, Iris}}, publisher = {{Visual Ink Publishing}}, title = {{{Aktive Teilhabe fördern – ICM und Student Engagement in der Hochschullehre}}}, year = {{2023}}, } @inproceedings{48482, author = {{Götte, Ricarda-Samantha and Klusmann, Jo Noel and Timmermann, Julia}}, booktitle = {{Proceedings - 33. Workshop Computational Intelligence: Berlin, 23.-24. November 2023}}, location = {{Berlin, Germany}}, pages = {{113--123}}, title = {{{Data-driven identification of disturbances using a sliding mode observer}}}, doi = {{10.5445/KSP/1000162754}}, year = {{2023}}, } @article{50070, author = {{Junker, Annika and Pape, Keno Egon Friedrich and Timmermann, Julia and Trächtler, Ansgar}}, issn = {{2405-8963}}, journal = {{IFAC-PapersOnLine}}, keywords = {{General Medicine}}, number = {{3}}, pages = {{625--630}}, publisher = {{Elsevier BV}}, title = {{{Adaptive Koopman-Based Models for Holistic Controller and Observer Design}}}, doi = {{10.1016/j.ifacol.2023.12.094}}, volume = {{56}}, year = {{2023}}, } @inbook{56675, author = {{Thielert, Frauke and Georgi, Christopher}}, booktitle = {{Historische Textmuster im Wandel: Neue Wege zu ihrer Erschließung}}, editor = {{Schuster, Britt-Marie and Haaf, Susanne}}, isbn = {{9783111086538}}, pages = {{117–151}}, publisher = {{De Gruyter}}, title = {{{Formelhafte Sprache in Pressetexten: Von der manuellen Annotation zur (teil-)automatisierten Erfassung komplexer Strukturen}}}, doi = {{10.1515/9783111086538-006}}, volume = {{331}}, year = {{2023}}, } @inbook{57062, author = {{Haaf, Susanne}}, booktitle = {{Historische Textmuster im Wandel: Neue Wege zu ihrer Erschließung}}, editor = {{Haaf, Susanne and Schuster, Britt-Marie}}, isbn = {{9783111086538}}, pages = {{77–116}}, publisher = {{De Gruyter}}, title = {{{Sprachgebrauchsmuster erbaulicher Textsorten: Untersuchungen von Leichenpredigten und erbaulichen Prosaschriften des 17. Jahrhunderts in einem Mixed-Methods-Ansatz}}}, doi = {{10.1515/9783111086538-005}}, volume = {{331}}, year = {{2023}}, } @inbook{48029, author = {{Schuster, Britt-Marie and Thielert, Frauke and Haaf, Susanne}}, booktitle = {{Historische Textmuster im Wandel: Neue Wege zu ihrer Erschließung}}, editor = {{Haaf, Susanne and Schuster, Britt-Marie}}, pages = {{153–201}}, publisher = {{De Gruyter}}, title = {{{Fragen stellen in Pressetextsorten: Zum Zusammenspiel von Close Reading, manueller Annotation und quantifizierenden Verfahren}}}, doi = {{10.1515/9783111086538-007}}, volume = {{331}}, year = {{2023}}, } @inbook{48025, author = {{Schuster, Britt-Marie and Haaf, Susanne}}, booktitle = {{Historische Textmuster im Wandel: Neue Wege zu Ihrer Erschließung}}, editor = {{Haaf, Susanne and Schuster, Britt-Marie}}, pages = {{15–40}}, publisher = {{De Gruyter}}, title = {{{Fünf Thesen zur Untersuchung des Textsortenwandels}}}, doi = {{10.1515/9783111086538-003}}, volume = {{331}}, year = {{2023}}, }