GPU-based Parallel Algorithm to Compute the Elastic Force of Homogeneous Finite-element Deformation Model GPU 를 이용한 동종 유한요소 변형체 모델의탄성력 계산 병렬화 알고리즘

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Computation of the elastic force in a deformation model requires an extensive computational load. This paper presents a parallel algorithm to compute the elastic force. The elastic force of each element is decomposed into nodal forces to eliminate the dependency among the computations. Additional information such as a set of neighboring elements and the order of the nodes in the corresponding element is used. Co-rotational formulation to simulate the large deformation is also realized. Simulation result shows that the proposed method has a better computational efficiency than the conventional method in high-resolution models. The benefit of the proposed method increases with increasing number of elements. The upper limit on the number of finite elements for the realtime computation is significantly increased through the parallel computation.
Publisher
Institute of Control, Robotics and Systems
Issue Date
2017-10
Language
English
Article Type
Article
Keywords

Computational efficiency; Deformation; Elasticity; Graphics processing unit; Parallel algorithms; Co-rotational formulation; Conventional methods; Deformation modeling; Element deformations; High-resolution models; Medical simulations; Parallel Computation; Real-time computations; Finite element method

Citation

Journal of Institute of Control, Robotics and Systems, v.23, no.10, pp.811 - 815

ISSN
1976-5622
DOI
10.5302/J.ICROS.2017.17.0143
URI
http://hdl.handle.net/10203/228618
Appears in Collection
ME-Journal Papers(저널논문)
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