NDLI: Optimized damping for dynamic simulations

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Optimized damping for dynamic simulations

Content Provider	ACM Digital Library
Author	Gissler, Marc Teschner, Matthias Schmedding, Ruediger
Abstract	Dynamic simulations can benefit a lot from an appropriate damping approach. For example, the stability is improved and a larger time step can be chosen. Furthermore, badly shaped meshes, e. g. containing sharp angles or slivers, can be handled if a proper damping approach is used. However, it must be ensured that the damping forces do not change the global movement of the object, i. e. they have to preserve linear and angular momentum. In this paper, we present a novel damping approach that is based on iterative spring damping to further improve the stability. We show that the resulting forces can be computed directly without actually performing the iterations. The approach does not require any connectivity information about the object and therefore, it can be used for arbitrary object representations. Further, it is independent of the integration scheme and the deformation model. The approach provides a simple parameter setting and guarantees that the damping forces do not overshoot. Finally, we illustrate that our approach allows for larger time steps compared to existing damping methods.
Starting Page	189
Ending Page	196
Page Count	8
File Format	PDF
ISBN	9781450307697
DOI	10.1145/1980462.1980499
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2009-04-23
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Damping Physically based animation Stability Deformable modeling
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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