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Description: The smooth particle
hydrodynamics (SPH), the diffuse element method (DEM), the element-free Galerkin
method (EFGM), the reproducing kernel particle method (RKPM), the moving-particle
semi-implicit method (MPS) are among others. However, it seems that these meshless
methods have not succeeded in replacing the FEM analysis completely, while they show
excellent performance in several special fields.
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Size: 7168 |
Author: nima fathi |
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Description: 无网格法在数值计算中不需要生成网格，而是按照一些任意分布的坐标点构造插值函数离散控制方程，就可方便地模拟各种复杂形状的流场。该法大致可分成两类：一类是以Lagrange方法为基础的粒子法（Particle method），如光滑粒子流体动力学（Smoothed particle hydrodynamics，简称SPH）法，和在其基础上发展的运动粒子半隐式（Moving－particle semi－implicit，简称MPS）法等；另一类是以Euler方法为基础的无格子法（Gridless methods），如无格子Euler/N—S算法（Gridless Euler/Navier-Stokes solution algorithm）和无单元Galerkin法（Element free Galerkin，简称EFG）等。(In the numerical calculation, meshless method does not need to generate grid, but constructs interpolation function discrete control equation according to some arbitrarily distributed coordinate points, which can easily simulate various complex shapes of flow field.)
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Size: 1024 |
Author: 你叫我吧 |
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