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openfpm_numerics
Commit fb235cc0 authored by Pietro Incardona's avatar Pietro Incardona
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Adding missing files in numeric

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......@@ -52,5 +52,6 @@ configure
numerics
**/.deps
**/src/config
**/doxygen
aclocal.m4
**/autom4te.cache
DoxygenLayout.xml 0 → 100644
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openfpm_numerics.doc 0 → 100644
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src/FiniteDifference/eq_unit_test_3d.hpp 0 → 100644
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/*
* 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_
#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 )
//!
struct lid_nn_3d
{
// dimensionaly of the equation ( 3D problem ...)
static const unsigned int dims = 3;
// number of fields in the system
static const unsigned int nvar = 4;
// boundary at X and Y
static const bool boundary[];
// type of space float, double, ...
typedef float stype;
// type of base grid
typedef grid_dist_id<3,float,aggregate<float[3],float>,CartDecomposition<3,float>> b_grid;
// type of SparseMatrix for the linear solver
typedef SparseMatrix<double,int> SparseMatrix_type;
// type of Vector for the linear solver
typedef Vector<double> Vector_type;
// Define the underline grid is staggered
static const int grid_type = STAGGERED_GRID;
};
const bool lid_nn_3d::boundary[] = {NON_PERIODIC,NON_PERIODIC,NON_PERIODIC};
// Constant Field
struct eta
{
typedef void const_field;
static float val() {return 1.0;}
};
// Model the equations
constexpr unsigned int v[] = {0,1,2};
constexpr unsigned int P = 3;
constexpr unsigned int ic = 3;
typedef Field<v[x],lid_nn_3d> v_x;
typedef Field<v[y],lid_nn_3d> v_y;
typedef Field<v[z],lid_nn_3d> v_z;
typedef Field<P,lid_nn_3d> Prs;
// Eq1 V_x
typedef mul<eta,Lap<v_x,lid_nn_3d>,lid_nn_3d> eta_lap_vx;
typedef D<x,Prs,lid_nn_3d> p_x;
typedef minus<p_x,lid_nn_3d> m_p_x;
typedef sum<eta_lap_vx,m_p_x,lid_nn_3d> vx_eq;
// Eq2 V_y
typedef mul<eta,Lap<v_y,lid_nn_3d>,lid_nn_3d> eta_lap_vy;
typedef D<y,Prs,lid_nn_3d> p_y;
typedef minus<p_y,lid_nn_3d> m_p_y;
typedef sum<eta_lap_vy,m_p_y,lid_nn_3d> vy_eq;
// Eq3 V_z
typedef mul<eta,Lap<v_z,lid_nn_3d>,lid_nn_3d> eta_lap_vz;
typedef D<z,Prs,lid_nn_3d> p_z;
typedef minus<p_z,lid_nn_3d> m_p_z;
typedef sum<eta_lap_vz,m_p_z,lid_nn_3d> vz_eq;
// Eq4 Incompressibility
typedef D<x,v_x,lid_nn_3d,FORWARD> dx_vx;
typedef D<y,v_y,lid_nn_3d,FORWARD> dy_vy;
typedef D<z,v_z,lid_nn_3d,FORWARD> dz_vz;
typedef sum<dx_vx,dy_vy,dz_vz,lid_nn_3d> ic_eq;
// Directional Avg
typedef Avg<x,v_y,lid_nn_3d> avg_x_vy;
typedef Avg<z,v_y,lid_nn_3d> avg_z_vy;
typedef Avg<y,v_x,lid_nn_3d> avg_y_vx;
typedef Avg<z,v_x,lid_nn_3d> avg_z_vx;
typedef Avg<y,v_z,lid_nn_3d> avg_y_vz;
typedef Avg<x,v_z,lid_nn_3d> avg_x_vz;
// Directional Avg
typedef Avg<x,v_y,lid_nn_3d,FORWARD> avg_x_vy_f;
typedef Avg<z,v_y,lid_nn_3d,FORWARD> avg_z_vy_f;
typedef Avg<y,v_x,lid_nn_3d,FORWARD> avg_y_vx_f;
typedef Avg<z,v_x,lid_nn_3d,FORWARD> avg_z_vx_f;
typedef Avg<y,v_z,lid_nn_3d,FORWARD> avg_y_vz_f;
typedef Avg<x,v_z,lid_nn_3d,FORWARD> avg_x_vz_f;
#define EQ_1 0
#define EQ_2 1
#define EQ_3 2
#define EQ_4 3
// Lid driven cavity, uncompressible fluid
BOOST_AUTO_TEST_CASE(lid_driven_cavity)
{
// Domain
Box<3,float> domain({0.0,0.0,0.0},{3.0,1.0,1.0});
// Ghost
Ghost<3,float> g(0.01);
long int sz[] = {32,16,16};
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});
// Initialize the global VCluster
init_global_v_cluster(&boost::unit_test::framework::master_test_suite().argc,&boost::unit_test::framework::master_test_suite().argv);
// 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);
// Distributed grid
FDScheme<lid_nn_3d> fd(pd,domain,g_dist.getGridInfo(),g_dist.getDecomposition());
// 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});
auto x = umfpack_solver<double>::solve(fd.getA(),fd.getB());
// Bring the solution to grid
x.copy<FDScheme<lid_nn_3d>,decltype(g_dist),velocity,pressure>(fd,{0,0},{sz[0]-1,sz[1]-1,sz[2]-1},g_dist);
g_dist.write("lid_driven_cavity_3d");
}
BOOST_AUTO_TEST_SUITE_END()
#endif /* OPENFPM_NUMERICS_SRC_FINITEDIFFERENCE_EQ_UNIT_TEST_3D_HPP_ */
src/PSE/Kernels.hpp 0 → 100644
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