Title:	Cloth simulation using soft constraints
Authors:	Frâncu, Mihai Moldoveanu, Florica
Citation:	Journal of WSCG. 2015, vol. 23, no. 1, p. 9-18.
Issue Date:	2015
Publisher:	Václav Skala - UNION Agency
Document type:	článek article
URI:	http://wscg.zcu.cz/WSCG2015/!_2015_Journal_WSCG-No-1.pdf http://hdl.handle.net/11025/17140
ISSN:	1213–6972 (hardcopy) 1213–6980 (CD-ROM) 1213–6964 (online)
Keywords:	implicitní integrace;omezení;projekce;PBD;tlumení;iterační řešič;látka;FEM
Keywords in different language:	implicit integration;constraints;projection;PBD;damping;iterative solver;cloth;FEM
Abstract in different language:	This paper describes a new way of using projective methods for simulating the constrained dynamics of deformable surfaces. We show that the often used implicit integration method for discretized elastic systems is equivalent to the projection of regularized constraints. We use this knowledge to derive a Nonlinear Conjugate Gradient implicit solver and a new projection scheme based on energy preserving integration. We also show a novel way of adding damping to position based dynamics and a different view on iterative solvers. In the end we apply these fresh insights to cloth simulation and develop a constraint based finite element method capable of accurately modeling thin elastic materials.
Rights:	© Václav Skala - UNION Agency
Appears in Collections:	Volume 23, Number 1 (2015)

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