From 94d3e79a8617f88dc0219cfdeedfa3147833719d Mon Sep 17 00:00:00 2001 From: Adrian Kummerlaender Date: Mon, 24 Jun 2019 14:43:36 +0200 Subject: Initialize at openlb-1-3 --- src/utilities/hyperplaneLattice3D.hh | 300 +++++++++++++++++++++++++++++++++++ 1 file changed, 300 insertions(+) create mode 100644 src/utilities/hyperplaneLattice3D.hh (limited to 'src/utilities/hyperplaneLattice3D.hh') diff --git a/src/utilities/hyperplaneLattice3D.hh b/src/utilities/hyperplaneLattice3D.hh new file mode 100644 index 0000000..3292c8d --- /dev/null +++ b/src/utilities/hyperplaneLattice3D.hh @@ -0,0 +1,300 @@ +/* This file is part of the OpenLB library + * + * Copyright (C) 2017 Adrian Kummerlaender + * E-mail contact: info@openlb.net + * The most recent release of OpenLB can be downloaded at + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#ifndef HYPERPLANE_LATTICE_3D_HH +#define HYPERPLANE_LATTICE_3D_HH + +#include "hyperplaneLattice3D.h" + +namespace olb { + +template +int HyperplaneLattice3D::computeMaxLatticeDistance(Cuboid3D&& cuboid) const +{ + const Vector origin = cuboid.getOrigin(); + const Vector extend = cuboid.getExtend(); + const T deltaR = cuboid.getDeltaR(); + + T maxPhysDistance = T(); + T tmp; + Vector tmpO; + Vector tmpE; + + for(int iDim=0; iDim<3; ++iDim){ + tmpO[iDim] = origin[iDim] - _origin[iDim]; + tmpE[iDim] = origin[iDim] + extend[iDim]*deltaR - _origin[iDim]; + } + tmp = sqrt(tmpO[0]*tmpO[0] + tmpO[1]*tmpO[1] + tmpO[2]*tmpO[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt((tmpE[0]*tmpE[0] + tmpO[1]*tmpO[1] + tmpO[2]*tmpO[2])); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt(tmpO[0]*tmpO[0] + tmpE[1]*tmpE[1] + tmpO[2]*tmpO[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt(tmpO[0]*tmpO[0] + tmpO[1]*tmpO[1] + tmpE[2]*tmpE[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt(tmpO[0]*tmpO[0] + tmpE[1]*tmpE[1] + tmpE[2]*tmpE[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt(tmpE[0]*tmpE[0] + tmpO[1]*tmpO[1] + tmpE[2]*tmpE[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt(tmpE[0]*tmpE[0] + tmpE[1]*tmpE[1] + tmpO[2]*tmpO[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + tmp = sqrt(tmpE[0]*tmpE[0] + tmpE[1]*tmpE[1] + tmpE[2]*tmpE[2]); + if (maxPhysDistance < tmp) { + maxPhysDistance = tmp; + } + + return int(maxPhysDistance/_h) + 1; +} + +template +void HyperplaneLattice3D::constructCuboid( + CuboidGeometry3D& geometry, int maxLatticeDistance) +{ + int iC; + int minX = -maxLatticeDistance; + int maxX = maxLatticeDistance; + int minY = -maxLatticeDistance; + int maxY = maxLatticeDistance; + bool found = false; + + for ( int iX = -maxLatticeDistance; iX < maxLatticeDistance; ++iX ) { + for ( int iY = -maxLatticeDistance; iY < maxLatticeDistance; ++iY ) { + if ( geometry.getC(getPhysR(iX, iY), iC) ) { + minX = iX; + found = true; + break; + } + } + if (found) { + break; + } + } + found = false; + for ( int iX = maxLatticeDistance; iX > -maxLatticeDistance; --iX ) { + for ( int iY = -maxLatticeDistance; iY < maxLatticeDistance; ++iY ) { + if ( geometry.getC(getPhysR(iX, iY), iC) ) { + maxX = iX; + found = true; + break; + } + } + if (found) { + break; + } + } + found = false; + for ( int iY = -maxLatticeDistance; iY < maxLatticeDistance; ++iY ) { + for ( int iX = -maxLatticeDistance; iX < maxLatticeDistance; ++iX ) { + if ( geometry.getC(getPhysR(iX, iY), iC) ) { + minY = iY; + found = true; + break; + } + } + if (found) { + break; + } + } + found = false; + for ( int iY = maxLatticeDistance; iY > -maxLatticeDistance; --iY ) { + for ( int iX = -maxLatticeDistance; iX < maxLatticeDistance; ++iX ) { + if ( geometry.getC(getPhysR(iX, iY), iC) ) { + maxY = iY; + found = true; + break; + } + } + if (found) { + break; + } + } + + _nx = maxX - minX + 1; + _ny = maxY - minY + 1; + + _origin = _origin + double(minX)*_u + double(minY)*_v; +} + +template +void HyperplaneLattice3D::setToResolution(int resolution) +{ + if (_nx > _ny) { + T newH = _nx*_h/(T) resolution; + _nx = resolution; + _ny = (int) (_ny*_h/newH) + 1; + _h = newH; + } + else { + T newH = _ny*_h/(T) resolution; + _ny = resolution; + _nx = (int) (_nx*_h/newH) + 1; + _h = newH; + } + _u.normalize(_h); + _v.normalize(_h); +} + +template +HyperplaneLattice3D::HyperplaneLattice3D( + CuboidGeometry3D& geometry, Hyperplane3D hyperplane) + : _hyperplane(hyperplane), + _origin(hyperplane.origin), + _u(hyperplane.u), + _v(hyperplane.v), + _h(geometry.getMinDeltaR()) +{ + _u.normalize(_h); + _v.normalize(_h); + + const int maxLatticeDistance = computeMaxLatticeDistance(geometry.getMotherCuboid()); + // compute _hyperplane.origin, _nx, _ny so that the cuboid is right inside the geometry + constructCuboid(geometry, maxLatticeDistance); +} + +template +HyperplaneLattice3D::HyperplaneLattice3D( + CuboidGeometry3D& geometry, Hyperplane3D hyperplane, int resolution) + : _hyperplane(hyperplane), + _origin(hyperplane.origin), + _u(hyperplane.u), + _v(hyperplane.v), + _h(geometry.getMinDeltaR()) +{ + _u.normalize(_h); + _v.normalize(_h); + + const int maxLatticeDistance = computeMaxLatticeDistance(geometry.getMotherCuboid()); + // compute _hyperplane.origin, _nx, _ny so that the cuboid is right inside the geometry + constructCuboid(geometry, maxLatticeDistance); + + if ( resolution > 0 ) { + setToResolution(resolution); + } +} + +template +HyperplaneLattice3D::HyperplaneLattice3D( + CuboidGeometry3D& geometry, Hyperplane3D hyperplane, T h) + : _hyperplane(hyperplane), + _origin(hyperplane.origin), + _u(hyperplane.u), + _v(hyperplane.v), + _h(h) +{ + if ( util::nearZero(_h) ) { + _h = geometry.getMinDeltaR(); + } + + _u.normalize(_h); + _v.normalize(_h); + + const int maxLatticeDistance = computeMaxLatticeDistance(geometry.getMotherCuboid()); + // compute _hyperplane.origin, _nx, _ny so that the cuboid is right inside the geometry + constructCuboid(geometry, maxLatticeDistance); +} + +template +HyperplaneLattice3D::HyperplaneLattice3D( + Hyperplane3D hyperplane, + T h, int nx, int ny) + : _hyperplane(hyperplane), + _origin(hyperplane.origin), + _u(hyperplane.u), + _v(hyperplane.v), + _h(h), + _nx(nx), + _ny(ny) +{ + _u.normalize(_h); + _v.normalize(_h); +} + +template +const Hyperplane3D& HyperplaneLattice3D::getHyperplane() const +{ + return _hyperplane; +} + +template +Vector HyperplaneLattice3D::getPhysR(const int& planeX, const int& planeY) const +{ + return Vector { + _origin[0] + double(planeX)*_u[0] + double(planeY)*_v[0], + _origin[1] + double(planeX)*_u[1] + double(planeY)*_v[1], + _origin[2] + double(planeX)*_u[2] + double(planeY)*_v[2] + }; +} + +template +int HyperplaneLattice3D::getNx() const +{ + return _nx; +} + +template +int HyperplaneLattice3D::getNy() const +{ + return _ny; +} + +template +T HyperplaneLattice3D::getPhysSpacing() const +{ + return _h; +} + +template +Vector HyperplaneLattice3D::getPhysOrigin() const +{ + return _origin; +} + +template +Vector HyperplaneLattice3D::getVectorU() const +{ + return _u; +} + +template +Vector HyperplaneLattice3D::getVectorV() const +{ + return _v; +} + +} + +#endif -- cgit v1.2.3