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A nonlinear physical simulation is presented involving the soft body deformation and interaction contacts. We demonstrate the finite element method relying on Lagrangian discretization to simulate the deformation of the soft body with hyperelastic material properties. To perform a stable simulation, we use the constrained Delaunay Tetrahedralization to resampling and remeshing the object. A new contact...
In our work, a virtual reality-based surgical simulator for the mandibular angle reduction was designed and implemented on CUDA-based platform. High-fidelity visual and haptic feedbacks between the surgical instruments and the bone material are provided to enhance the perception in a realistic virtual surgical environment. Impulse-based dynamics haptic model was employed to simulate the contact forces...
In order to solve the problem of extra work and low efficiency brought by resources heterogeneity in the Command Information System simulation, a design of virtual technology-based application frame is introduced. By using the new application frame, the heterogeneity of resources is effectively shield, and the efficiency of the system and the utilization rate of resources is then improved.
In order to distribute web documents reasonably and improve the performance of clustered web servers, a distributing strategy based on web log mining is presented on this paper. The strategy is established in web users' accessing mode, which obtained from web log. Web documents are divided into groups by using data mining methods as clustering, which is based on the distribution is carried out, along...
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