forked from bartvdbraak/blender
4ff7c5eed6
Includes preprocessed Mantaflow source files for both OpenMP and TBB (if OpenMP is not present, TBB files will be used instead). These files come directly from the Mantaflow repository. Future updates to the core fluid solver will take place by updating the files. Reviewed By: sergey, mont29 Maniphest Tasks: T59995 Differential Revision: https://developer.blender.org/D3850
117 lines
3.0 KiB
C++
117 lines
3.0 KiB
C++
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// DO NOT EDIT !
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// This file is generated using the MantaFlow preprocessor (prep generate).
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/******************************************************************************
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*
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* MantaFlow fluid solver framework
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* Copyright 2011 Tobias Pfaff, Nils Thuerey
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*
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* This program is free software, distributed under the terms of the
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* Apache License, Version 2.0
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Vortex sheets
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* (warning, the vortex methods are currently experimental, and not fully supported!)
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*
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******************************************************************************/
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#include "vortexsheet.h"
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#include "solvana.h"
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using namespace std;
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namespace Manta {
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// *****************************************************************************
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// VorticityChannel class members
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// *****************************************************************************
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// VortexSheet Mesh class members
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VortexSheetMesh::VortexSheetMesh(FluidSolver *parent) : Mesh(parent), mTexOffset(0.0f)
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{
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addTriChannel(&mVorticity);
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addNodeChannel(&mTex1);
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addNodeChannel(&mTex2);
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addNodeChannel(&mTurb);
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}
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Mesh *VortexSheetMesh::clone()
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{
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VortexSheetMesh *nm = new VortexSheetMesh(mParent);
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*nm = *this;
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nm->setName(getName());
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return nm;
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}
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void VortexSheetMesh::calcVorticity()
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{
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for (size_t tri = 0; tri < mTris.size(); tri++) {
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VortexSheetInfo &v = mVorticity.data[tri];
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Vec3 e0 = getEdge(tri, 0), e1 = getEdge(tri, 1), e2 = getEdge(tri, 2);
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Real area = getFaceArea(tri);
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if (area < 1e-10) {
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v.smokeAmount = 0;
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v.vorticity = 0;
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}
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else {
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v.smokeAmount = 0;
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v.vorticity = (v.circulation[0] * e0 + v.circulation[1] * e1 + v.circulation[2] * e2) / area;
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}
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}
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}
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void VortexSheetMesh::calcCirculation()
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{
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for (size_t tri = 0; tri < mTris.size(); tri++) {
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VortexSheetInfo &v = mVorticity.data[tri];
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Vec3 e0 = getEdge(tri, 0), e1 = getEdge(tri, 1), e2 = getEdge(tri, 2);
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Real area = getFaceArea(tri);
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if (area < 1e-10 || normSquare(v.vorticity) < 1e-10) {
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v.circulation = 0;
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continue;
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}
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float cx, cy, cz;
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SolveOverconstraint34(e0.x,
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e0.y,
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e0.z,
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e1.x,
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e1.y,
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e1.z,
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e2.x,
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e2.y,
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e2.z,
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v.vorticity.x,
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v.vorticity.y,
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v.vorticity.z,
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cx,
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cy,
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cz);
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v.circulation = Vec3(cx, cy, cz) * area;
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}
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}
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void VortexSheetMesh::resetTex1()
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{
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for (size_t i = 0; i < mNodes.size(); i++)
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mTex1.data[i] = mNodes[i].pos + mTexOffset;
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}
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void VortexSheetMesh::resetTex2()
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{
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for (size_t i = 0; i < mNodes.size(); i++)
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mTex2.data[i] = mNodes[i].pos + mTexOffset;
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}
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void VortexSheetMesh::reinitTexCoords()
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{
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resetTex1();
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resetTex2();
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}
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}; // namespace Manta
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