commit 9a53f940db55282fef4bb1808f5a9675e5d4c591
parent 86fa69a78be287860f040aafd30997d62657bbf1
Author: Vincent Forest <vincent.forest@meso-star.com>
Date: Wed, 18 Apr 2018 14:44:30 +0200
Test the flux property of the interface
Diffstat:
4 files changed, 349 insertions(+), 6 deletions(-)
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
@@ -124,6 +124,7 @@ if(NOT NO_TEST)
new_test(test_sdis_conducto_radiative_2d)
new_test(test_sdis_data)
new_test(test_sdis_device)
+ new_test(test_sdis_flux)
new_test(test_sdis_interface)
new_test(test_sdis_medium)
new_test(test_sdis_scene)
diff --git a/src/test_sdis_flux.c b/src/test_sdis_flux.c
@@ -0,0 +1,342 @@
+/* Copyright (C) 2016-2018 |Meso|Star> (contact@meso-star.com)
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>. */
+
+#include "sdis.h"
+#include "test_sdis_utils.h"
+
+#include <rsys/double3.h>
+
+/*
+ * The scene is composed of a solid cube/square whose temperature is unknown.
+ * The temperature is fixed at T0 on the +X face. The Flux of the -X face is
+ * fixed to PHI. The flux on the other faces is null (i.e. adiabatic). This
+ * test computes the temperature of a probe position pos into the solid and
+ * check that it is equal to:
+ *
+ * T(pos) = T0 + (A-pos) * PHI/LAMBDA
+ *
+ * with LAMBDA the conductivity of the solid and A the size of cube/square.
+ *
+ * 3D 2D
+ *
+ * ///// (1,1,1) ///// (1,1)
+ * +-------+ +-------+
+ * /' /| | |
+ * +-------+ T0 PHI T0
+ * PHI +.....|.+ | |
+ * |, |/ +-------+
+ * +-------+ (0,0) /////
+ * (0,0,0) /////
+ */
+
+#define UNKNOWN_TEMPERATURE -1
+#define N 10000
+
+#define PHI 10.0
+#define T0 320.0
+#define LAMBDA 0.1
+
+/*******************************************************************************
+ * Geometry 3D
+ ******************************************************************************/
+static void
+box_get_indices(const size_t itri, size_t ids[3], void* context)
+{
+ (void)context;
+ CHK(ids);
+ ids[0] = box_indices[itri*3+0];
+ ids[1] = box_indices[itri*3+1];
+ ids[2] = box_indices[itri*3+2];
+}
+
+static void
+box_get_position(const size_t ivert, double pos[3], void* context)
+{
+ (void)context;
+ CHK(pos);
+ pos[0] = box_vertices[ivert*3+0];
+ pos[1] = box_vertices[ivert*3+1];
+ pos[2] = box_vertices[ivert*3+2];
+}
+
+static void
+box_get_interface(const size_t itri, struct sdis_interface** bound, void* context)
+{
+ struct sdis_interface** interfaces = context;
+ CHK(context && bound);
+ *bound = interfaces[itri];
+}
+
+/*******************************************************************************
+ * Geometry 2D
+ ******************************************************************************/
+static void
+square_get_indices(const size_t iseg, size_t ids[2], void* context)
+{
+ (void)context;
+ CHK(ids);
+ ids[0] = square_indices[iseg*2+0];
+ ids[1] = square_indices[iseg*2+1];
+}
+
+static void
+square_get_position(const size_t ivert, double pos[2], void* context)
+{
+ (void)context;
+ CHK(pos);
+ pos[0] = square_vertices[ivert*2+0];
+ pos[1] = square_vertices[ivert*2+1];
+}
+
+static void
+square_get_interface
+ (const size_t iseg, struct sdis_interface** bound, void* context)
+{
+ struct sdis_interface** interfaces = context;
+ CHK(context && bound);
+ *bound = interfaces[iseg];
+}
+
+
+/*******************************************************************************
+ * Media
+ ******************************************************************************/
+static double
+solid_get_calorific_capacity
+ (const struct sdis_rwalk_vertex* vtx, struct sdis_data* data)
+{
+ (void)data;
+ CHK(vtx != NULL);
+ return 2.0;
+}
+
+static double
+solid_get_thermal_conductivity
+ (const struct sdis_rwalk_vertex* vtx, struct sdis_data* data)
+{
+ (void)data;
+ CHK(vtx != NULL);
+ return LAMBDA;
+}
+
+static double
+solid_get_volumic_mass
+ (const struct sdis_rwalk_vertex* vtx, struct sdis_data* data)
+{
+ (void)data;
+ CHK(vtx != NULL);
+ return 25.0;
+}
+
+static double
+solid_get_delta
+ (const struct sdis_rwalk_vertex* vtx, struct sdis_data* data)
+{
+ (void)data;
+ CHK(vtx != NULL);
+ return 1.0/20.0;
+}
+
+static double
+solid_get_delta_boundary
+ (const struct sdis_rwalk_vertex* vtx, struct sdis_data* data)
+{
+ (void)data;
+ CHK(vtx != NULL);
+ return 2.1/20.0;
+}
+
+static double
+solid_get_temperature
+ (const struct sdis_rwalk_vertex* vtx, struct sdis_data* data)
+{
+ (void)data;
+ CHK(vtx != NULL);
+ return UNKNOWN_TEMPERATURE;
+}
+
+/*******************************************************************************
+ * Interfaces
+ ******************************************************************************/
+struct interf {
+ double temperature;
+ double phi;
+};
+
+static double
+interface_get_temperature
+ (const struct sdis_interface_fragment* frag, struct sdis_data* data)
+{
+ const struct interf* interf = sdis_data_cget(data);
+ CHK(frag && data);
+ return interf->temperature;
+}
+
+static double
+interface_get_flux
+ (const struct sdis_interface_fragment* frag, struct sdis_data* data)
+{
+ const struct interf* interf = sdis_data_cget(data);
+ CHK(frag && data);
+ return interf->phi;
+}
+
+/*******************************************************************************
+ * Test
+ ******************************************************************************/
+int
+main(int argc, char** argv)
+{
+ struct mem_allocator allocator;
+ struct sdis_mc T = SDIS_MC_NULL;
+ struct sdis_data* data = NULL;
+ struct sdis_device* dev = NULL;
+ struct sdis_medium* fluid = NULL;
+ struct sdis_medium* solid = NULL;
+ struct sdis_interface* interf_adiabatic = NULL;
+ struct sdis_interface* interf_T0 = NULL;
+ struct sdis_interface* interf_phi = NULL;
+ struct sdis_scene* box_scn = NULL;
+ struct sdis_scene* square_scn = NULL;
+ struct sdis_estimator* estimator = NULL;
+ struct sdis_fluid_shader fluid_shader = DUMMY_FLUID_SHADER;
+ struct sdis_solid_shader solid_shader = DUMMY_SOLID_SHADER;
+ struct sdis_interface_shader interf_shader = SDIS_INTERFACE_SHADER_NULL;
+ struct sdis_interface* box_interfaces[12 /*#triangles*/];
+ struct sdis_interface* square_interfaces[4/*#segments*/];
+ struct interf* interf_props = NULL;
+ double pos[3];
+ double ref;
+ size_t nreals;
+ size_t nfails;
+ (void)argc, (void)argv;
+
+ CHK(mem_init_proxy_allocator(&allocator, &mem_default_allocator) == RES_OK);
+ CHK(sdis_device_create
+ (NULL, &allocator, SDIS_NTHREADS_DEFAULT, 0, &dev) == RES_OK);
+
+ /* Create the dummy fluid medium */
+ CHK(sdis_fluid_create(dev, &fluid_shader, NULL, &fluid) == RES_OK);
+
+ /* Create the solid_medium */
+ solid_shader.calorific_capacity = solid_get_calorific_capacity;
+ solid_shader.thermal_conductivity = solid_get_thermal_conductivity;
+ solid_shader.volumic_mass = solid_get_volumic_mass;
+ solid_shader.delta_solid = solid_get_delta;
+ solid_shader.delta_boundary = solid_get_delta_boundary;
+ solid_shader.temperature = solid_get_temperature;
+ CHK(sdis_solid_create(dev, &solid_shader, NULL, &solid) == RES_OK);
+
+ /* Setup the interface shader */
+ interf_shader.front.temperature = interface_get_temperature;
+ interf_shader.front.flux = interface_get_flux;
+
+ /* Create the adiabatic interface */
+ CHK(sdis_data_create(dev, sizeof(struct interf), 16, NULL, &data) == RES_OK);
+ interf_props = sdis_data_get(data);
+ interf_props->temperature = UNKNOWN_TEMPERATURE;
+ interf_props->phi = 0;
+ CHK(sdis_interface_create
+ (dev, solid, fluid, &interf_shader, data, &interf_adiabatic) == RES_OK);
+ CHK(sdis_data_ref_put(data) == RES_OK);
+
+ /* Create the T0 interface */
+ CHK(sdis_data_create(dev, sizeof(struct interf), 16, NULL, &data) == RES_OK);
+ interf_props = sdis_data_get(data);
+ interf_props->temperature = T0;
+ interf_props->phi = 0; /* Unused */
+ CHK(sdis_interface_create
+ (dev, solid, fluid, &interf_shader, data, &interf_T0) == RES_OK);
+ CHK(sdis_data_ref_put(data) == RES_OK);
+
+ /* Create the PHI interface */
+ CHK(sdis_data_create(dev, sizeof(struct interf), 16, NULL, &data) == RES_OK);
+ interf_props = sdis_data_get(data);
+ interf_props->temperature = UNKNOWN_TEMPERATURE;
+ interf_props->phi = PHI;
+ CHK(sdis_interface_create
+ (dev, solid, fluid, &interf_shader, data, &interf_phi) == RES_OK);
+ CHK(sdis_data_ref_put(data) == RES_OK);
+
+ /* Release the media */
+ CHK(sdis_medium_ref_put(solid) == RES_OK);
+ CHK(sdis_medium_ref_put(fluid) == RES_OK);
+
+ /* Map the interfaces to their box triangles */
+ box_interfaces[0] = box_interfaces[1] = interf_adiabatic; /* Front */
+ box_interfaces[2] = box_interfaces[3] = interf_phi; /* Left */
+ box_interfaces[4] = box_interfaces[5] = interf_adiabatic; /* Back */
+ box_interfaces[6] = box_interfaces[7] = interf_T0; /* Right */
+ box_interfaces[8] = box_interfaces[9] = interf_adiabatic; /* Top */
+ box_interfaces[10]= box_interfaces[11]= interf_adiabatic; /* Bottom */
+
+ /* Map the interfaces to their square segments */
+ square_interfaces[0] = interf_adiabatic; /* Bottom */
+ square_interfaces[1] = interf_phi; /* Left */
+ square_interfaces[2] = interf_adiabatic; /* Top */
+ square_interfaces[3] = interf_T0; /* Right */
+
+ /* Create the box scene */
+ CHK(sdis_scene_create(dev, box_ntriangles, box_get_indices,
+ box_get_interface, box_nvertices, box_get_position, box_interfaces,
+ &box_scn) == RES_OK);
+
+ /* Create the square scene */
+ CHK(sdis_scene_2d_create(dev, square_nsegments, square_get_indices,
+ square_get_interface, square_nvertices, square_get_position,
+ square_interfaces, &square_scn) == RES_OK);
+
+ /* Release the interfaces */
+ CHK(sdis_interface_ref_put(interf_adiabatic) == RES_OK);
+ CHK(sdis_interface_ref_put(interf_T0) == RES_OK);
+ CHK(sdis_interface_ref_put(interf_phi) == RES_OK);
+
+ d3_splat(pos, 0.25);
+ ref = T0 + (1 - pos[0]) * PHI/LAMBDA;
+
+ /* Solve in 3D */
+ CHK(sdis_solve_probe(box_scn, N, pos, INF, 1.0, 0, 0, &estimator) == RES_OK);
+ CHK(sdis_estimator_get_realisation_count(estimator, &nreals) == RES_OK);
+ CHK(sdis_estimator_get_failure_count(estimator, &nfails) == RES_OK);
+ CHK(nfails + nreals == N);
+ CHK(sdis_estimator_get_temperature(estimator, &T) == RES_OK);
+ CHK(sdis_estimator_ref_put(estimator) == RES_OK);
+ printf("Temperature of the box at (%g %g %g) = %g ~ %g +/- %g\n",
+ SPLIT3(pos), ref, T.E, T.SE);
+ printf("#failures = %lu/%lu\n", (unsigned long)nfails, (unsigned long)N);
+ CHK(eq_eps(T.E, ref, T.SE*2));
+
+ /* Solve in 2D */
+ CHK(sdis_solve_probe(square_scn, N, pos, INF, 1.0, 0, 0, &estimator) == RES_OK);
+ CHK(sdis_estimator_get_realisation_count(estimator, &nreals) == RES_OK);
+ CHK(sdis_estimator_get_failure_count(estimator, &nfails) == RES_OK);
+ CHK(nfails + nreals == N);
+ CHK(sdis_estimator_get_temperature(estimator, &T) == RES_OK);
+ CHK(sdis_estimator_ref_put(estimator) == RES_OK);
+ printf("Temperature of the square at (%g %g) = %g ~ %g +/- %g\n",
+ SPLIT2(pos), ref, T.E, T.SE);
+ printf("#failures = %lu/%lu\n", (unsigned long)nfails, (unsigned long)N);
+ CHK(eq_eps(T.E, ref, T.SE*2.0));
+
+ CHK(sdis_scene_ref_put(box_scn) == RES_OK);
+ CHK(sdis_scene_ref_put(square_scn) == RES_OK);
+ CHK(sdis_device_ref_put(dev) == RES_OK);
+
+ check_memory_allocator(&allocator);
+ mem_shutdown_proxy_allocator(&allocator);
+ CHK(mem_allocated_size() == 0);
+ return 0;
+
+}
diff --git a/src/test_sdis_utils.h b/src/test_sdis_utils.h
@@ -116,10 +116,10 @@ static const struct sdis_fluid_shader DUMMY_FLUID_SHADER = {
#define DUMMY_INTERFACE_SIDE_SHADER__ { \
- dummy_interface_getter, \
- dummy_interface_getter, \
- dummy_interface_getter, \
- dummy_interface_getter \
+ dummy_interface_getter, \
+ dummy_interface_getter, \
+ dummy_interface_getter, \
+ dummy_interface_getter \
}
static const struct sdis_interface_shader DUMMY_INTERFACE_SHADER = {
dummy_interface_getter,
diff --git a/src/test_sdis_volumic_power.c b/src/test_sdis_volumic_power.c
@@ -28,7 +28,7 @@
*
* T(pos) = P0 / (2*LAMBDA) * (A^2/4 - (pos-0.5)^2) + T0
*
- * with LAMBDA the conductivity of the cube and A the size of the cube/square,
+ * with LAMBDA the conductivity of the solid and A the size of the cube/square,
* i.e. 1.
*
* 3D 2D
@@ -292,7 +292,7 @@ main(int argc, char** argv)
/* Map the interfaces to their square segments */
square_interfaces[0] = interf_adiabatic; /* Bottom */
- square_interfaces[1] = interf_T0; /* Lef */
+ square_interfaces[1] = interf_T0; /* Left */
square_interfaces[2] = interf_adiabatic; /* Top */
square_interfaces[3] = interf_T0; /* Right */
