...tissue deformation, simplicial complex, virtual surgery, tetrahedral mesh, cutting [gap=250]关键词：有限元法，组织变形，单纯复杂的，虚拟手术，四面体网格，切割 ...
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提出了一种模拟软组织变形的实时有限元新算法。
In this paper, we present a new real time FEM algorithm for the deformation of soft tissues.
好的缝合实在是不容易做到，而糟糕的缝合会导致组织变形。
Good stitching can be challenging, and a poor job can lead to tissue warping.
最后，对用有限元方法研究脑部软组织变形尚存在的问题加以分析。
Some possible problems and issues about the implementation of the methods are also discussed .
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