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Ferienakademie Sarntal 2009 - Course 4
Optimal Design of Elastic Multibody Systems
20. September - 2. Oktober 2009
Course Organizers
Guest Lecturer
Participants and title of their Presentations
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Cao, Yuxing; 2. Semester, Computational Mechanics, Technical University of Munich |
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Topology Optimization
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Dieringer, Falko; Chair of Structural Analysis, Technical University of Munich |
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Form Finding of Tensile Structures
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Fischer, Christian; 10. Semester, Mechanical Engineering, University of Stuttgart |
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Optimization using Differential Evolution Strategy
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Geibel, Felix; 5. Semester, Mechanical Engineering, University of Stuttgart |
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Control of Multibody Systems
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Geschwinder, Christine; 8. Semester, Mechanical Engineering, University of Stuttgart |
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Model Reduction for Flexible Multibody Systems
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Held, Alexander; Institute of Engineering and Computational Mechanics, University of Stuttgart |
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Modelling of Flexible Multibody Systems
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Henke, Benjamin; 6. Semester, Engineering Cybernetics, University of Stuttgart |
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Introduction to Multibody Dynamics
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Maistrou, Aliaksei ; 4. Semester, Computational Science and Engineering, Technical University of Munich |
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Solution Methods for Optimization Problems
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Steinwandel, Alexander; 5. Semester, Aerospace Engineering, University of Stuttgart |
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Numerical Simulation of Multibody Systems
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Yang, Jie; 7. Semester, Mathematics, University of Stuttgart |
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Multi-objective Optimization
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Zahedi, Fard Sima; 4. Semester, Computational Mechanics, Technical University of Munich |
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Control of an Inflatable Structure by Optimization Method
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As practical exercise of the course content the modeling, design and optimization of medieval trebuchets were performed. The trebuchets are typical multibody systems and were used in medieval times for the siege of castles. Team blue and team red designed two different types of trebuchets. Each team derived its equation of motion and performed simulation and optimization using Matlab. The optimized designs were the basis for the construction of the wooden trebuchets and the experiments verified the simulations.
 
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Team Blue
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The blue trebuchet reached in average 22.8m (21.8m, 22.2m, 19.8m, 22.8m, 25.2, 24.9m).
Movie.mpg
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Team Red
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The red trebuchet reached in average 18.1m (19.2m, 12.2m, 12.4m, 23.7m, 23.8, 23.3m).
Movie.mpg
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