59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// PPPPP H H EEEEE N N GGGGG L EEEEE III +
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// P P H H E NN N G L E I +
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// PPPPP HHHHH EEEEE N N N G GG L EEEEE I +
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// P H H E N N N G G L E I +
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// P H H EEEEE N N GGGGG LLLLL EEEEE III +
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//------------------------------------------------------------------------+
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// Platform for Hybrid Engineering Simulation of Flows +
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// China Aerodynamics Research and Development Center +
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// (C) Copyright, Since 2010 +
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//! @file Mesh_Agglomeration.h
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//! @brief Mesh coarsen using agglomeration method for unstructured grid.
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//! @author Bell.
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#pragma once
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#include "Geo_UnstructGrid.h"
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using namespace std;
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namespace PHSPACE
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{
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//! @brief Mesh coarsen using agglomeration method for unstructured grid.
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class Mesh_Agglomeration
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{
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public:
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//! @param[in] fineGridIn The pre-fine grid, which is need to be coarsen.\n
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//! @param[in] fineGridLevel The level of the fineGrid.
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LIB_EXPORT Mesh_Agglomeration(UnstructGrid *fineGridIn, int fineGridLevelIn);
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LIB_EXPORT ~Mesh_Agglomeration();
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//! Coarse the fine grid, this function is recommended,
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//! since the coarse grid quality is guaranteed.
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LIB_EXPORT void CoarsenGridOnce();
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LIB_EXPORT void CoarsenGridOncebyMGridgen();
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//! Coarse the fine grid, fast but not robust, this function is NOT recommended.
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LIB_EXPORT void CoarsenGridOnceWithoutSkewnessLimit();
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//! Return the agglomerated coarse grid.
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LIB_EXPORT UnstructGrid * GetCoarseGrid() { return this->coarseGrid; }
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private:
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//! The pre-fine grid, which is need to be coarsen.
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UnstructGrid *fineGrid;
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//! The coarse grid, which is agglomerated from fineGrid.
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UnstructGrid *coarseGrid;
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//! The level of the fineGrid.
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int fineGridLevel;
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private:
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void AspectRatioModifyBySkewness(RDouble *ratio, RDouble *xcc, RDouble *ycc, RDouble *zcc, const RDouble &limitAngle);
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};
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}
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