TY - JOUR AU - Sextro, Walter ID - 8922 JF - Zeitschrift für angewandte Mathematik und Mechanik (ZAMM) TI - Heat and Wear Generation for Rolling Contacts VL - 81 ER - TY - CONF AU - Sextro, Walter ID - 8923 IS - DETC2001/VIB-21512 T2 - ASME Design Engineering Technical Conferences TI - Development and Experimental Validation of a Point Contact Model for Dynamical Problems with Friction ER - TY - JOUR AB - In forced systems with cyclic symmetry localization can occur due toparameter uncertainties. Often, Monte-Carlo simulations are used to findregions, where the system response is sensitive to parameteruncertainties. These simulations require a large computation time.Therefore, an approximate method to calculate the envelopes of thefrequency response functions is developed in this paper. An example of anonlinear system with cyclic symmetry is a bladed disk assembly withfriction dampers. Friction dampers can be installed underneath the bladeplatforms of turbine blades. Due to dry friction and the relative motionbetween blades and dampers, energy is dissipated, which results in areduction of blade vibration amplitudes. By optimizing the mass of thefriction dampers, the best damping effects are obtained, which lead toan increase in the reliability of the turbine. In this paper, thecalculated response of a mistuned bladed disk assembly with frictiondampers is discussed. An approximate method is developed to calculatethe envelopes of the corresponding frequency response function forstatistically varying eigenfrequencies of the blades. Regions wherelocalization can occur with a high probability, are calculated by thismethod. AU - Sextro, Walter AU - Popp, Karl AU - Krzyzynski, Tomasz ID - 8924 IS - 1-3 JF - Nonlinear Dynamics KW - bladed disk assembly KW - mistuning KW - sensitivity KW - localization SN - 0924-090X TI - Localization in Nonlinear Mistuned Systems with Cyclic Symmetry VL - 25 ER - TY - CONF AU - Wallaschek, Jörg AU - Hemsel, Tobias ID - 8925 T2 - Special Antriebstechnik TI - Piezoelektrische lineare Schwingungsantriebe ER - TY - CONF AU - Karl, Holger AU - Mengesha, Seble ID - 995 T2 - Proc. of IEEE Intl. Conf. on Wireless LANs and Home Networks TI - Analysing capacity improvements in wireless networks by relaying ER - TY - CONF AU - Quynh, T AU - Karl, Holger AU - Wolisz, Adam AU - Rebensburg, Klaus ID - 996 T2 - Proc. 9th IFIP Conf. Perf. Modeling and Eval. of ATM & IP Networks TI - Relative jitter packet scheduling for differentiated services ER - TY - JOUR AU - Clark, Damon AU - Fahr, Rene ID - 5105 JF - CEP Discussion Paper No. 528 TI - The promise of workplace training for non-college-bound youth: Theory and evidence from German apprenticeship VL - 528 ER - TY - BOOK AU - Schryen, Guido ID - 5670 TI - Komponentenorientierte Softwareentwicklung in Softwareunternehmen: Konzeption eines Vorgehensmodells zur Einführung und Etablierung ER - TY - BOOK ED - Tönnies, Merle ED - Viol, Claus-Ulrich ID - 6760 TI - British Political Speeches from Churchill to Blair ER - TY - CONF AB - We present a new output-sensitive rendering algorithm, the randomized z-buffer algorithm. It renders an image of an arbitrary three-dimensional scene consisting of triangular primitives by reconstruction from a dynamically chosen set of random surface sample points. This approach is independent of mesh connectivity and topology. The resulting rendering time grows only logarithmically with the numbers of triangles in the scene. We were able to render walkthroughs of scenes of up to 10^14 triangles at interactive frame rates. Automatic identification of low detail scene components ensures that the rendering speed of the randomized z-buffer cannot drop below that of conventional z-buffer rendering. Experimental and analytical evidence is given that the image quality is comparable to that of common approaches like z-buffer rendering. The precomputed data structures employed by the randomized z-buffer allow for interactive dynamic updates of the scene. Their memory requirements grow only linearly with the number of triangles and allow for a scene graph based instantiation scheme to further reduce memory consumption. AU - Wand, Michael AU - Fischer, Matthias AU - Peter, Ingmar AU - Meyer auf der Heide, Friedhelm AU - Straßer, Wolfgang ID - 16492 SN - 158113374X T2 - Proceedings of the 28th annual conference on Computer graphics and interactive techniques - SIGGRAPH '01 TI - The randomized z-buffer algorithm ER - TY - CHAP AU - Meyer auf der Heide, Friedhelm ID - 16493 SN - 0302-9743 T2 - Graph-Theoretic Concepts in Computer Science TI - Data Management in Networks VL - 2204 ER - TY - CHAP AU - Meyer auf der Heide, Friedhelm AU - Wanka, Rolf ID - 16494 SN - 0302-9743 T2 - Computational Science - ICCS 2001 TI - Parallel Bridging Models and Their Impact on Algorithm Design ER - TY - CHAP AU - Dellnitz, Michael AU - Froyland, Gary AU - Junge, Oliver ID - 16555 SN - 9783642625244 T2 - Ergodic Theory, Analysis, and Efficient Simulation of Dynamical Systems TI - The Algorithms Behind GAIO — Set Oriented Numerical Methods for Dynamical Systems ER - TY - CHAP AU - Froyland, Gary ID - 16598 SN - 9781461266488 T2 - Nonlinear Dynamics and Statistics TI - Extracting Dynamical Behavior via Markov Models ER - TY - JOUR AU - Froyland, Gary AU - Junge, Oliver AU - Ochs, Gunter ID - 16601 JF - Physica D: Nonlinear Phenomena SN - 0167-2789 TI - Rigorous computation of topological entropy with respect to a finite partition ER - TY - JOUR AU - Junge, Oliver ID - 16617 JF - Dynamical Systems SN - 1468-9367 TI - An adaptive subdivision technique for the approximation of attractors and invariant measures: proof of convergence ER - TY - BOOK ED - Meyer auf der Heide, Friedhelm ID - 16722 SN - 0302-9743 TI - Algorithms — ESA 2001, 9th Annual European Symposium Århus, Denmark ER - TY - JOUR AU - Domik, Gitta ID - 16811 IS - 5 JF - J. (UCS) TI - Glimpses into the Future of Computer Science Education VL - 7 ER - TY - JOUR AU - Dellnitz, Michael AU - Junge, Oliver AU - Thiere, Bianca ID - 17027 IS - 1531-3492_2001_1_125 JF - Discrete & Continuous Dynamical Systems - B SN - 1531-3492 TI - The numerical detection of connecting orbits VL - 1 ER - TY - JOUR AU - Mencer, Oskar AU - Platzner, Marco AU - Morf, Martin AU - J. Flynn, Michael ID - 10713 IS - 1 JF - {IEEE} Transactions on Very Large Scale Integration ({VLSI}) Systems TI - Object-oriented domain specific compilers for programming FPGAs VL - 9 ER -