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A parameterized mesh generation is presented for design optimization of electromagnetic devices. The proposed method requires no mesh regeneration, and hence the numerical simulation time can be reduced significantly. When the coordinates of nodes in the refined mesh are changed, the mesh topology will be kept, that is, the node connection relationship will remain the same as before. Thus the nodal...
A non-rigid and precise image registration algorithm based on finite element method (FEM) is presented. The algorithm require to model image as the free-form deformation elastic material, construct the physical model and generate meshes from image datasets. Its characteristic is achieved through a finite-element based scheme and thus control the mesh deformation field to fit the differences of elastic...
A parallel preconditioned conjugate gradient iterative algorithm for finite element problems with coarse-mesh/fine-mesh formulation is presented in this paper. An efficient preconditioner is derived from the multigrid stiffness matrix. The algorithm is implemented on a cluster of workstation. Example of solution of simple linear elastic problem on rectangular grids is presented and parallel performance...
Sometimes making finite element analysis only by one software is a hard thing. Because one software is not good at every work. Therefore, we choose ProE, HyperMesh and ANSYS software to model, mesh and calculate respectively and that can exert their corresponding advantages. Model can be imported and exported among softwares accurately with software interface. In ProE, surface modeling and model simplify...
In this paper, we present a novel hybrid deformation model using global mass-spring medial representation structures and local finite element model. We employ the hybrid models, by fully calculating the FEM deformation in the local operation part while only calculating the global deformation by medial representation method. To achieve the real-time requirement of realistic deformable modeling, it...
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