eq_unit_test_3d.hpp 8.05 KB
Newer Older
1 2 3 4 5 6 7 8 9 10
/*
 * eq_unit_test_3d.hpp
 *
 *  Created on: Jan 4, 2016
 *      Author: i-bird
 */

#ifndef OPENFPM_NUMERICS_SRC_FINITEDIFFERENCE_EQ_UNIT_TEST_3D_HPP_
#define OPENFPM_NUMERICS_SRC_FINITEDIFFERENCE_EQ_UNIT_TEST_3D_HPP_

jenkins's avatar
jenkins committed
11
#include "config.h"
12 13 14 15 16 17 18 19 20 21 22 23 24
#include "Laplacian.hpp"
#include "FiniteDifference/eq.hpp"
#include "FiniteDifference/sum.hpp"
#include "FiniteDifference/mul.hpp"
#include "Grid/grid_dist_id.hpp"
#include "data_type/scalar.hpp"
#include "Decomposition/CartDecomposition.hpp"
#include "Vector/Vector.hpp"
#include "Solvers/umfpack_solver.hpp"
#include "data_type/aggregate.hpp"

BOOST_AUTO_TEST_SUITE( eq_test_suite_3d )

incardon's avatar
incardon committed
25
//! Specify the general caratteristic of system to solve
Pietro Incardona's avatar
Pietro Incardona committed
26
struct lid_nn_3d_eigen
27
{
incardon's avatar
incardon committed
28
	//! dimensionaly of the equation ( 3D problem ...)
29
	static const unsigned int dims = 3;
incardon's avatar
incardon committed
30
	//! number of fields in the system
31 32
	static const unsigned int nvar = 4;

incardon's avatar
incardon committed
33
	//! boundary at X and Y
34 35
	static const bool boundary[];

incardon's avatar
incardon committed
36
	//! type of space float, double, ...
37 38
	typedef float stype;

incardon's avatar
incardon committed
39
	//! type of base grid
40 41
	typedef grid_dist_id<3,float,aggregate<float[3],float>,CartDecomposition<3,float>> b_grid;

incardon's avatar
incardon committed
42
	//! type of SparseMatrix for the linear solver
43 44
	typedef SparseMatrix<double,int> SparseMatrix_type;

incardon's avatar
incardon committed
45
	//! type of Vector for the linear solver
46 47
	typedef Vector<double> Vector_type;

incardon's avatar
incardon committed
48
	//! Define the underline grid is staggered
49 50 51
	static const int grid_type = STAGGERED_GRID;
};

Pietro Incardona's avatar
Pietro Incardona committed
52
struct lid_nn_3d_petsc
53
{
incardon's avatar
incardon committed
54
	//! dimensionaly of the equation ( 3D problem ...)
Pietro Incardona's avatar
Pietro Incardona committed
55
	static const unsigned int dims = 3;
incardon's avatar
incardon committed
56
	//! number of fields in the system
Pietro Incardona's avatar
Pietro Incardona committed
57
	static const unsigned int nvar = 4;
58

incardon's avatar
incardon committed
59
	//! boundary at X and Y
Pietro Incardona's avatar
Pietro Incardona committed
60
	static const bool boundary[];
61

incardon's avatar
incardon committed
62
	//! type of space float, double, ...
Pietro Incardona's avatar
Pietro Incardona committed
63
	typedef float stype;
64

incardon's avatar
incardon committed
65
	//! type of base grid
Pietro Incardona's avatar
Pietro Incardona committed
66
	typedef grid_dist_id<3,float,aggregate<float[3],float>,CartDecomposition<3,float>> b_grid;
67

incardon's avatar
incardon committed
68
	//! type of SparseMatrix for the linear solver
Pietro Incardona's avatar
Pietro Incardona committed
69
	typedef SparseMatrix<double,int,PETSC_BASE> SparseMatrix_type;
70

incardon's avatar
incardon committed
71
	//! type of Vector for the linear solver
Pietro Incardona's avatar
Pietro Incardona committed
72
	typedef Vector<double,PETSC_BASE> Vector_type;
73

incardon's avatar
incardon committed
74
	//! Define the underline grid is staggered
Pietro Incardona's avatar
Pietro Incardona committed
75 76
	static const int grid_type = STAGGERED_GRID;
};
77

Pietro Incardona's avatar
Pietro Incardona committed
78
//typedef lid_nn_3d_eigen lid_nn_3d;
79

Pietro Incardona's avatar
Pietro Incardona committed
80 81
const bool lid_nn_3d_eigen::boundary[] = {NON_PERIODIC,NON_PERIODIC,NON_PERIODIC};
const bool lid_nn_3d_petsc::boundary[] = {NON_PERIODIC,NON_PERIODIC,NON_PERIODIC};
82

Pietro Incardona's avatar
Pietro Incardona committed
83 84 85
// Constant Field
struct eta
{
incardon's avatar
incardon committed
86
	//! define that eta is a constant field
Pietro Incardona's avatar
Pietro Incardona committed
87
	typedef void const_field;
88

incardon's avatar
incardon committed
89
	//! therutn the value of the constant
Pietro Incardona's avatar
Pietro Incardona committed
90 91
	static float val()	{return 1.0;}
};
92

Pietro Incardona's avatar
Pietro Incardona committed
93
template<typename solver_type,typename lid_nn_3d> void lid_driven_cavity_3d()
94
{
Pietro Incardona's avatar
Pietro Incardona committed
95 96
	#include "Equations/stoke_flow_eq_3d.hpp"

97
	Vcluster & v_cl = create_vcluster();
Pietro Incardona's avatar
Pietro Incardona committed
98

99 100
	if (v_cl.getProcessingUnits() > 3)
		return;
Pietro Incardona's avatar
Pietro Incardona committed
101

102 103 104 105 106 107
	// Domain
	Box<3,float> domain({0.0,0.0,0.0},{3.0,1.0,1.0});

	// Ghost
	Ghost<3,float> g(0.01);

108
	long int sz[] = {36,12,12};
109 110 111 112 113 114 115 116 117 118 119 120 121 122
	size_t szu[3];
	szu[0] = (size_t)sz[0];
	szu[1] = (size_t)sz[1];
	szu[2] = (size_t)sz[2];

	Padding<3> pd({1,1,1},{0,0,0});

	// velocity in the grid is the property 0, pressure is the property 1
	constexpr int velocity = 0;
	constexpr int pressure = 1;

	// Initialize openfpm
	grid_dist_id<3,float,aggregate<float[3],float>,CartDecomposition<3,float>> g_dist(szu,domain,g);

Pietro Incardona's avatar
Pietro Incardona committed
123 124 125
	// Ghost stencil
	Ghost<3,long int> stencil_max(1);

126
	// Distributed grid
incardon's avatar
incardon committed
127
	FDScheme<lid_nn_3d> fd(pd,stencil_max,domain,g_dist);
128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194

	// start and end of the bulk

	fd.impose(ic_eq(),0.0, EQ_4, {0,0,0},{sz[0]-2,sz[1]-2,sz[2]-2},true);
	fd.impose(Prs(),  0.0, EQ_4, {0,0,0},{0,0,0});
	fd.impose(vx_eq(),0.0, EQ_1, {1,0},{sz[0]-2,sz[1]-2,sz[2]-2});
	fd.impose(vy_eq(),0.0, EQ_2, {0,1},{sz[0]-2,sz[1]-2,sz[2]-2});
	fd.impose(vz_eq(),0.0, EQ_3, {0,0,1},{sz[0]-2,sz[1]-2,sz[2]-2});

	// v_x
	// R L
	fd.impose(v_x(),0.0, EQ_1, {0,0,0},      {0,sz[1]-2,sz[2]-2});
	fd.impose(v_x(),0.0, EQ_1, {sz[0]-1,0,0},{sz[0]-1,sz[1]-2,sz[2]-2});

	// T B
	fd.impose(avg_y_vx_f(),0.0, EQ_1, {0,-1,0},     {sz[0]-1,-1,sz[2]-2});
	fd.impose(avg_y_vx(),0.0, EQ_1,   {0,sz[1]-1,0},{sz[0]-1,sz[1]-1,sz[2]-2});

	// A F
	fd.impose(avg_z_vx_f(),0.0, EQ_1, {0,-1,-1},     {sz[0]-1,sz[1]-1,-1});
	fd.impose(avg_z_vx(),0.0, EQ_1, {0,-1,sz[2]-1},{sz[0]-1,sz[1]-1,sz[2]-1});

	// v_y
	// R L
	fd.impose(avg_x_vy_f(),0.0, EQ_2,  {-1,0,0},     {-1,sz[1]-1,sz[2]-2});
	fd.impose(avg_x_vy(),1.0, EQ_2,    {sz[0]-1,0,0},{sz[0]-1,sz[1]-1,sz[2]-2});

	// T B
	fd.impose(v_y(), 0.0, EQ_2, {0,0,0},      {sz[0]-2,0,sz[2]-2});
	fd.impose(v_y(), 0.0, EQ_2, {0,sz[1]-1,0},{sz[0]-2,sz[1]-1,sz[2]-2});

	// F A
	fd.impose(avg_z_vy(),0.0, EQ_2,   {-1,0,sz[2]-1}, {sz[0]-1,sz[1]-1,sz[2]-1});
	fd.impose(avg_z_vy_f(),0.0, EQ_2, {-1,0,-1},      {sz[0]-1,sz[1]-1,-1});

	// v_z
	// R L
	fd.impose(avg_x_vz_f(),0.0, EQ_3, {-1,0,0},     {-1,sz[1]-2,sz[2]-1});
	fd.impose(avg_x_vz(),1.0, EQ_3,   {sz[0]-1,0,0},{sz[0]-1,sz[1]-2,sz[2]-1});

	// T B
	fd.impose(avg_y_vz(),0.0, EQ_3, {-1,sz[1]-1,0},{sz[0]-1,sz[1]-1,sz[2]-1});
	fd.impose(avg_y_vz_f(),0.0, EQ_3, {-1,-1,0},   {sz[0]-1,-1,sz[2]-1});

	// F A
	fd.impose(v_z(),0.0, EQ_3, {0,0,0},      {sz[0]-2,sz[1]-2,0});
	fd.impose(v_z(),0.0, EQ_3, {0,0,sz[2]-1},{sz[0]-2,sz[1]-2,sz[2]-1});

	// Padding pressure

	// L R
	fd.impose(Prs(), 0.0, EQ_4, {-1,-1,-1},{-1,sz[1]-1,sz[2]-1});
	fd.impose(Prs(), 0.0, EQ_4, {sz[0]-1,-1,-1},{sz[0]-1,sz[1]-1,sz[2]-1});

	// T B
	fd.impose(Prs(), 0.0, EQ_4, {0,sz[1]-1,-1}, {sz[0]-2,sz[1]-1,sz[2]-1});
	fd.impose(Prs(), 0.0, EQ_4, {0,-1     ,-1}, {sz[0]-2,-1,     sz[2]-1});

	// F A
	fd.impose(Prs(), 0.0, EQ_4, {0,0,sz[2]-1}, {sz[0]-2,sz[1]-2,sz[2]-1});
	fd.impose(Prs(), 0.0, EQ_4, {0,0,-1},      {sz[0]-2,sz[1]-2,-1});

	// Impose v_x  v_y v_z padding
	fd.impose(v_x(), 0.0, EQ_1, {-1,-1,-1},{-1,sz[1]-1,sz[2]-1});
	fd.impose(v_y(), 0.0, EQ_2, {-1,-1,-1},{sz[0]-1,-1,sz[2]-1});
	fd.impose(v_z(), 0.0, EQ_3, {-1,-1,-1},{sz[0]-1,sz[1]-1,-1});

Pietro Incardona's avatar
Pietro Incardona committed
195
	solver_type solver;
196
	auto x = solver.try_solve(fd.getA(),fd.getB());
Pietro Incardona's avatar
Pietro Incardona committed
197

198
	// Bring the solution to grid
Pietro Incardona's avatar
Pietro Incardona committed
199
	fd.template copy<velocity,pressure>(x,{0,0},{sz[0]-1,sz[1]-1,sz[2]-1},g_dist);
200

201 202 203
	std::string s = std::string(demangle(typeid(solver_type).name()));
	s += "_";

Pietro Incardona's avatar
Pietro Incardona committed
204
	g_dist.write(s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid");
205

jenkins's avatar
jenkins committed
206 207 208 209 210 211 212
#ifdef HAVE_OSX

        std::string file1 = std::string("test/") + s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + "_test_osx.vtk";
        std::string file2 = s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + ".vtk";

#else

213
	#if __GNUC__ == 5
Pietro Incardona's avatar
Pietro Incardona committed
214

215 216
        std::string file1 = std::string("test/") + s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + "_test_GCC5.vtk";
        std::string file2 = s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + ".vtk";
217 218 219 220 221

    #elif __GNUC__ == 6

        std::string file1 = std::string("test/") + s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + "_test_GCC6.vtk";
        std::string file2 = s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + ".vtk";
222 223 224 225 226 227 228

	#else

        std::string file1 = std::string("test/") + s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + "_test_GCC4.vtk";
        std::string file2 = s + "lid_driven_cavity_3d_p" + std::to_string(v_cl.getProcessingUnits()) + "_grid_" + std::to_string(v_cl.getProcessUnitID()) + ".vtk";

	#endif
jenkins's avatar
jenkins committed
229 230 231

#endif

Pietro Incardona's avatar
Pietro Incardona committed
232 233 234
    std::cout << "File1: " << file1 << std::endl;
    std::cout << "File2: " << file2 << std::endl;

incardon's avatar
incardon committed
235
#ifndef SE_CLASS3
jenkins's avatar
jenkins committed
236

237
	// Check that match
Pietro Incardona's avatar
Pietro Incardona committed
238
	bool test = compare(file1,file2);
239
	BOOST_REQUIRE_EQUAL(test,true);
incardon's avatar
incardon committed
240 241

#endif
Pietro Incardona's avatar
Pietro Incardona committed
242 243 244 245 246 247
}

// Lid driven cavity, uncompressible fluid

BOOST_AUTO_TEST_CASE(lid_driven_cavity)
{
Pietro Incardona's avatar
Pietro Incardona committed
248
	lid_driven_cavity_3d<umfpack_solver<double>,lid_nn_3d_eigen>();
Pietro Incardona's avatar
Pietro Incardona committed
249
#ifdef HAVE_PETSC
Pietro Incardona's avatar
Pietro Incardona committed
250
	lid_driven_cavity_3d<petsc_solver<double>,lid_nn_3d_petsc>();
Pietro Incardona's avatar
Pietro Incardona committed
251
#endif
252 253 254 255 256 257
}

BOOST_AUTO_TEST_SUITE_END()


#endif /* OPENFPM_NUMERICS_SRC_FINITEDIFFERENCE_EQ_UNIT_TEST_3D_HPP_ */