Real-time simulation method of elastic materials based on exemplar in Laplace-Beltrami shape space
A real-time simulation, elastic material technology, applied in the fields of physics-based simulation and computer graphics, can solve the problems of lack of sample guidance diversity, low simulation efficiency, time-consuming and other problems, to achieve good versatility, speed up efficiency, and improve efficiency and the effect of precision
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[0034] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described below through specific embodiments and accompanying drawings.
[0035] The Laplace-Beltrami operator is the domain of definition in R 2 The Laplace operator in the space is generalized to the Laplace operator defined in any Riemannian popular. Use the Laplace-Beltrami operator to analyze the shape to obtain a set of orthogonal vectors. By introducing the method of spectral analysis, this set of orthogonal bases is regarded as a spectrum, and the arrangement from low-dimensional to high-dimensional represents the shape from the whole to the local Information. Using the Laplace-Beltrami shape space, the same sample can be used to guide the deformation simulation of different objects. By constructing the Laplace-Beltrami characteristic function on the tetrahedron, using the linear finite element as the funct...
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