J Shanghai Jiaotong Univ Sci ›› 2021, Vol. 26 ›› Issue (3): 290-297.doi: 10.1007/s12204-021-2295-3
JING Mengjiea (荆梦杰), CUI Zhixina (崔志鑫), FU Hanga (傅航), CHEN Xiaojuna,b (陈晓军)
出版日期:
2021-06-28
发布日期:
2021-06-02
通讯作者:
CHEN Xiaojun(陈晓军)
E-mail:xiaojunchen@sjtu.edu.cn
基金资助:
JING Mengjiea (荆梦杰), CUI Zhixina (崔志鑫), FU Hanga (傅航), CHEN Xiaojuna,b (陈晓军)
Online:
2021-06-28
Published:
2021-06-02
Contact:
CHEN Xiaojun(陈晓军)
E-mail:xiaojunchen@sjtu.edu.cn
Supported by:
摘要: Virtual reality-based
surgery simulation is becoming popular with the development of minimally
invasive abdominal surgery, where deformable soft tissue is
modelled and simulated. The mass-spring model (MSM) and finite
element method (FEM) are common methods used in the simulation of soft tissue
deformation. However, MSM has an issue concerning accuracy, while FEM has a
problem with efficiency. To achieve higher accuracy and efficiency at
the same time, we applied a co-rotational FEM in the simulation of a kidney
with a tumour inside, achieving a real-time and accurate deformation
simulation. In addition, we set a multi-model representation for mechanical
simulation and visual rendering. The implicit Euler method and conjugate
gradient method were adopted for setting and solving the linear system. For
a realistic simulation of surgery, constraints outside the kidney and
between the kidney and tumour were set with two series of mechanical properties
for the two models. Experiments were conducted to validate the accuracy
and real-time performance.
中图分类号:
JING Mengjie (荆梦杰), CUI Zhixin (崔志鑫), FU Hang (傅航), CHEN Xiaojun (陈晓军). Real-Time Deformation Simulation of Kidney Surgery Based on Virtual Reality[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(3): 290-297.
JING Mengjie (荆梦杰), CUI Zhixin(崔志鑫), FU Hang (傅航), CHEN Xiaojun (陈晓军). Real-Time Deformation Simulation of Kidney Surgery Based on Virtual Reality[J]. J Shanghai Jiaotong Univ Sci, 2021, 26(3): 290-297.
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