Improvements of GPU Implementation of Nonlinear Soft Tissue Deformation with CHAI 3D
Shi Yibo, Xiang Hui, Yu Dehai
Available Online November 2013.
- https://doi.org/10.2991/icmt-13.2013.147How to use a DOI?
- GPU. Nonlinear FEM. TLED. Surgical simulation. CHAI 3D. TetGen
- The contradiction between the speed and the accuracy of soft tissue deformation simulation has challenged developers for decades, especially for nonlinear deformation. In this paper, we propose improvements of the GPU implementation of nonlinear soft tissue deformation with CHAI 3D by decreasing the calculation scale and reducing data transfer between device and host. Soft tissue is divided into deformation area and non-deformation area, and points and tetrahedrons in the deformation area are calculated during the deformation. In addition, we redesign the collision detection of CHAI 3D and implement it with CUDA in parallel. By using VBO, OpenGL displays the soft tissue based on data resided in graphics memory directly. As a preparatory work of FEM, we also present a convenient method to divide the soft tissue into tetrahedrons by TetGen.
- Open Access
- This is an open access article distributed under the CC BY-NC license.
Cite this article
TY - CONF AU - Shi Yibo AU - Xiang Hui AU - Yu Dehai PY - 2013/11 DA - 2013/11 TI - Improvements of GPU Implementation of Nonlinear Soft Tissue Deformation with CHAI 3D BT - 3rd International Conference on Multimedia Technology(ICMT-13) PB - Atlantis Press SN - 1951-6851 UR - https://doi.org/10.2991/icmt-13.2013.147 DO - https://doi.org/10.2991/icmt-13.2013.147 ID - Yibo2013/11 ER -