Fiber Controls in FEM Model for Transversely Isotropic Materials



In this chapter, we investigate transversely isotropic materials for the simulation of deformable objects with fibrous structures. In previous work, direction-dependent behaviors of transversely isotropic materials can only be achieved with an additional energy function which incorporates the material preferred direction. Such an additional energy term increases the computational complexity. We introduce a fiber-field incorporated corotational finite element model (CLFEM) that works directly with a constitutive model of transversely isotropic material. A smooth fiber-field is used to establish the local frames for each element. The orientation information of each element is incorporated into the CLFEM model by adding local transformations onto each element of the stiffness matrix.


Stiffness Matrix Isotropic Material Fiber Orientation Orientation Information Local Frame 
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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Nanyang Technological UniversitySingaporeSingapore
  2. 2.School of Computer EngineeringNanyang Technological UniversitySingaporeSingapore

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