Abstract
AbstractThe present contribution introduces the design, methods, functionalities, and capabilities of the open-source multibody dynamics code Exudyn, which has been developed since 2019. The code has been designed for rigid and flexible multibody systems, with a focus on performance for multicore desktop processors. It includes script-language-based modeling and it is intended to be used in science and education, but also in industry. The open-source code is available on GitHub and consists of a main C++ core, a rich Python interface including pre- and postprocessing modules in Python, and a collection of rigid and flexible bodies with appropriate joint, load, and sensor functionality. Integrated solvers allow explicit and implicit time integration, static solution, eigenvalue analysis, and optimization. In the paper, the code design, structure, computational core, computational objects, and multibody formulations are addressed. In addition, the computational performance is evaluated with examples of rigid and flexible multibody systems. The results show the significant impact of multithreading especially for small systems, but also for larger models.
Funder
University of Innsbruck and Medical University of Innsbruck
Publisher
Springer Science and Business Media LLC
Subject
Control and Optimization,Computer Science Applications,Mechanical Engineering,Aerospace Engineering,Modeling and Simulation
Reference33 articles.
1. Ananthaswamy, A.: In AI, is bigger better? Nature 615, 202–205 (2023)
2. Anderson, K., Duan, S.: A hybrid parallelizable low-order algorithm for dynamics of multi-rigid-body systems: part I, chain systems. Math. Comput. Model. 30(9), 193–215 (1999)
3. Arnold, M., Brüls, O.: Convergence of the generalized-$\alpha $ scheme for constrained mechanical systems. Multibody Syst. Dyn. 85, 187–202 (2007)
4. Coumans, E.: Bullet physics simulation. In: ACM (Association for Computing Machinery) SIGGRAPH 2015 Courses, SIGGRAPH’15, New York, NY, USA (2015)
5. Gerstmayr, J.: HOTINT – a C++ environment for the simulation of multibody dynamics systems and finite elements. In: Arczewski, K., Fraczek, J., Wojtyra, M. (eds.) Proceedings of the Multibody Dynamics 2009 Eccomas Thematic Conference (2009)
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