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In numerical analysis the diffuse element … In numerical analysis the diffuse element method (DEM) or simply diffuse approximation is a meshfree method. The diffuse element method was developed by B. Nayroles, G. Touzot and Pierre Villon at the Universite de Technologie de Compiegne, in 1992.It is in concept rather similar to the much older smoothed particle hydrodynamics. In the paper they describe a "diffuse approximation method", a method for function approximation from a given set of points.In fact the method boils down to the well-known moving least squares for the particular case of a global approximation (using all available data points). Using this function approximation method, partial differential equations and thus fluid dynamic problems can be solved. For this, they coined the term diffuse element method (DEM).Advantages over finite element methods are that DEM doesn't rely on a grid, and is more precise in the evaluation of the derivatives of the reconstructed functions.erivatives of the reconstructed functions.
, 확산요소법(擴散要素法, 영어: diffuse element method, DEM)은 무요소법의 일종이다. (smoothed particle hydrodynamics)과 비슷하지만, 이동최소제곱법(moving least squares)을 적용한다.
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| rdfs:comment |
확산요소법(擴散要素法, 영어: diffuse element method, DEM)은 무요소법의 일종이다. (smoothed particle hydrodynamics)과 비슷하지만, 이동최소제곱법(moving least squares)을 적용한다.
, In numerical analysis the diffuse element … In numerical analysis the diffuse element method (DEM) or simply diffuse approximation is a meshfree method. The diffuse element method was developed by B. Nayroles, G. Touzot and Pierre Villon at the Universite de Technologie de Compiegne, in 1992.It is in concept rather similar to the much older smoothed particle hydrodynamics. In the paper they describe a "diffuse approximation method", a method for function approximation from a given set of points.In fact the method boils down to the well-known moving least squares for the particular case of a global approximation (using all available data points). Using this function approximation method, partial differential equations and thus fluid dynamic problems can be solved. For this, they coined the term diffuse element method (DEM).Advantagesrm diffuse element method (DEM).Advantages
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확산요소법
, Diffuse element method
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