Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F121317489
Mesh.cpp
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Thu, Jul 10, 01:04
Size
3 KB
Mime Type
text/x-c
Expires
Sat, Jul 12, 01:04 (1 d, 23 h)
Engine
blob
Format
Raw Data
Handle
27309845
Attached To
rGOOSEFEM GooseFEM
Mesh.cpp
View Options
#include <catch2/catch.hpp>
#include <xtensor/xrandom.hpp>
#include <xtensor/xmath.hpp>
#include <GooseFEM/GooseFEM.h>
#define ISCLOSE(a,b) REQUIRE_THAT((a), Catch::WithinAbs((b), 1.e-12));
TEST_CASE("GooseFEM::Mesh", "Mesh.h")
{
SECTION("edgesize")
{
GooseFEM::Mesh::Quad4::Regular mesh(2, 2, 10.0);
auto s = GooseFEM::Mesh::edgesize(mesh.coor(), mesh.conn());
auto t = GooseFEM::Mesh::edgesize(mesh.coor(), mesh.conn(), mesh.getElementType());
REQUIRE(xt::allclose(s, 10.0));
REQUIRE(xt::allclose(t, 10.0));
}
SECTION("coordination")
{
GooseFEM::Mesh::Quad4::Regular mesh(3, 3);
auto N = GooseFEM::Mesh::coordination(mesh.conn());
xt::xtensor<size_t, 1> ret = {1, 2, 2, 1, 2, 4, 4, 2, 2, 4, 4, 2, 1, 2, 2, 1};
REQUIRE(xt::all(xt::equal(N, ret)));
}
SECTION("elem2node")
{
GooseFEM::Mesh::Quad4::Regular mesh(3, 3);
auto tonode = GooseFEM::Mesh::elem2node(mesh.conn());
REQUIRE(tonode.size() == 16);
REQUIRE(tonode[0] == std::vector<size_t>{0});
REQUIRE(tonode[1] == std::vector<size_t>{0, 1});
REQUIRE(tonode[2] == std::vector<size_t>{1, 2});
REQUIRE(tonode[3] == std::vector<size_t>{2});
REQUIRE(tonode[4] == std::vector<size_t>{0, 3});
REQUIRE(tonode[5] == std::vector<size_t>{0, 1, 3, 4});
REQUIRE(tonode[6] == std::vector<size_t>{1, 2, 4, 5});
REQUIRE(tonode[7] == std::vector<size_t>{2, 5});
REQUIRE(tonode[8] == std::vector<size_t>{3, 6});
REQUIRE(tonode[9] == std::vector<size_t>{3, 4, 6, 7});
REQUIRE(tonode[10] == std::vector<size_t>{4, 5, 7, 8});
REQUIRE(tonode[11] == std::vector<size_t>{5, 8});
REQUIRE(tonode[12] == std::vector<size_t>{6});
REQUIRE(tonode[13] == std::vector<size_t>{6, 7});
REQUIRE(tonode[14] == std::vector<size_t>{7, 8});
REQUIRE(tonode[15] == std::vector<size_t>{8});
}
// SECTION("neighbours > 1 shared node")
// {
// GooseFEM::Mesh::Quad4::Regular mesh(3, 3);
// auto neigh = GooseFEM::Mesh::neighbours(mesh.conn());
// REQUIRE(neigh.size() == 9);
// REQUIRE(neigh[0] == std::vector<size_t>{1, 3, 4});
// REQUIRE(neigh[1] == std::vector<size_t>{0, 2, 3, 4, 5});
// REQUIRE(neigh[2] == std::vector<size_t>{1, 4, 5});
// REQUIRE(neigh[3] == std::vector<size_t>{0, 1, 4, 6, 7});
// REQUIRE(neigh[4] == std::vector<size_t>{0, 1, 2, 3, 5, 6, 7, 8});
// REQUIRE(neigh[5] == std::vector<size_t>{1, 2, 4, 7, 8});
// REQUIRE(neigh[6] == std::vector<size_t>{3, 4, 7});
// REQUIRE(neigh[7] == std::vector<size_t>{3, 4, 5, 6, 8});
// REQUIRE(neigh[8] == std::vector<size_t>{4, 5, 7});
// }
// SECTION("neighbours > 1 shared edge")
// {
// GooseFEM::Mesh::Quad4::Regular mesh(3, 3);
// auto neigh = GooseFEM::Mesh::neighbours(mesh.conn(), 1);
// REQUIRE(neigh.size() == 9);
// REQUIRE(neigh[0] == std::vector<size_t>{1, 3, 4});
// REQUIRE(neigh[1] == std::vector<size_t>{0, 2, 3, 4, 5});
// REQUIRE(neigh[2] == std::vector<size_t>{1, 4, 5});
// REQUIRE(neigh[3] == std::vector<size_t>{0, 1, 4, 6, 7});
// REQUIRE(neigh[4] == std::vector<size_t>{0, 1, 2, 3, 5, 6, 7, 8});
// REQUIRE(neigh[5] == std::vector<size_t>{1, 2, 4, 7, 8});
// REQUIRE(neigh[6] == std::vector<size_t>{3, 4, 7});
// REQUIRE(neigh[7] == std::vector<size_t>{3, 4, 5, 6, 8});
// REQUIRE(neigh[8] == std::vector<size_t>{4, 5, 7});
// }
}
Event Timeline
Log In to Comment