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Adaptive mesh refinement (AMR) changes the spacing of grid points, to change how accurately the solution is known in that region. In the shallow water example, the grid might in general be spaced every few feet—but it could be adaptively refined to have grid points every few inches in places where there are large waves.
Mesh generation is the practice of creating a mesh, ... Adaptive methods are used to improve the accuracy of the solutions. The adaptive method is referred to as ‘h ...
Over time, Ansys HFSS introduced a number of new technologies in computational EM simulation, including automatic adaptive mesh generation, tangential vector finite elements, transfinite elements, and reduced-order modeling.
The image-based meshing technique allows the straightforward generation of meshes out of segmented 3D data. Features of particular interest include: Multi-part meshing (mesh any number of structures simultaneously) Mapping functions to apply material properties based on signal strength (e.g. Young's modulus to Hounsfield scale)
Mesh adaptation on the whole or parts of the geometry, for stationary, eigenvalue, and time-dependent simulations and by rebuilding the entire mesh or refining chosen mesh elements. conforming and non-conforming adaptive refinement for tensor product and simplex meshes Only h h-, p-, and hp-adaptivity for both continuous and discontinuous ...
Because the mesh can be adapted such that both the degree of the polynomial used to approximate the state () and the width of each mesh interval can be different from interval to interval, the method is referred to as an -adaptive method (where "" refers to the width of each mesh interval, while "" refers to the polynomial degree in each mesh ...
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An algorithm generating a mesh is typically controlled by the above three and other parameters. Some types of computer analysis of a constructed design require an adaptive mesh refinement, which is a mesh made finer (using stronger parameters) in regions where the analysis needs more detail. [1] [2]