Finite Element Simulation of Large Deformation for Haptic Interaction(<Special Issue>VR for Medicine, Welfare, and Healthcare)
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- Kuroda Yoshihiro
- Cybermedia Center, Osaka University
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- Uranishi Yuki
- Graduate School of Engineering Science, Osaka University
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- Imura Masataka
- Graduate School of Engineering Science, Osaka University
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- Oshiro Osamu
- Graduate School of Engineering Science, Osaka University
Bibliographic Information
- Other Title
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- 力覚提示指向の大変形有限要素法シミュレーション(<特集>医療・福祉・ヘルスケアとVR)
- 力覚提示指向の大変形有限要素法シミュレーション
- リョクカク テイジ シコウ ノ ダイヘンケイ ユウゲン ヨウソホウ シミュレーション
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Abstract
Haptic interaction with FEM-based deformable model is popular by using pre-calculated inversed stiffness matrix. However, large deformation induces non-ignorable error with linear FEM simulation. Recently, corotation method was introduced to reduce the artifact by calculating elastic forces in the rotation-canceled coordinates. However, inversion of updated whole stiffness matrix is computationally high. The aim of this study is to enable haptic interaction of FEM-based deformable model with reduced artifact in case of large deformation. In this paper, we proposed the direct and stepwise update method of inversed stiffness matrix with corotated element stiffness matrix. The experimental results showed smaller error compared with linear model and higher update rate by using the proposed method.
Journal
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- Transactions of the Virtual Reality Society of Japan
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Transactions of the Virtual Reality Society of Japan 18 (4), 497-506, 2013
THE VIRTUAL REALITY SOCIETY OF JAPAN
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Details
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- CRID
- 1390001204464984960
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- NII Article ID
- 110009686092
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- NII Book ID
- AA11448578
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- ISSN
- 24239593
- 1344011X
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- NDL BIB ID
- 025142506
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed