Nektar::HexCollectionTests Namespace Reference

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Functions
SpatialDomains::SegGeomUniquePtr	CreateSegGeom (unsigned int id, SpatialDomains::PointGeom *v0, SpatialDomains::PointGeom *v1)
SpatialDomains::HexGeomUniquePtr	CreateHex (std::array< SpatialDomains::PointGeom *, 8 > v, std::array< SpatialDomains::SegGeomUniquePtr, 12 > &segVec, std::array< SpatialDomains::QuadGeomUniquePtr, 6 > &faceVec)
	BOOST_AUTO_TEST_CASE (TestHexBwdTrans_StdMat_UniformP)

Detailed Description

The above copyright notice and this permission notice shall be included.

Function Documentation

BOOST_AUTO_TEST_CASE()

Nektar::HexCollectionTests::BOOST_AUTO_TEST_CASE

(

TestHexBwdTrans_StdMat_UniformP

)

Definition at line 103 of file TestHexCollection.cpp.

{
    SpatialDomains::PointGeomUniquePtr v0(
        new SpatialDomains::PointGeom(3u, 0u, -1.0, -1.0, -1.0));
    SpatialDomains::PointGeomUniquePtr v1(
        new SpatialDomains::PointGeom(3u, 1u, 1.0, -1.0, -1.0));
    SpatialDomains::PointGeomUniquePtr v2(
        new SpatialDomains::PointGeom(3u, 2u, 1.0, 1.0, -1.0));
    SpatialDomains::PointGeomUniquePtr v3(
        new SpatialDomains::PointGeom(3u, 3u, -1.0, 1.0, -1.0));
    SpatialDomains::PointGeomUniquePtr v4(
        new SpatialDomains::PointGeom(3u, 4u, -1.0, -1.0, 1.0));
    SpatialDomains::PointGeomUniquePtr v5(
        new SpatialDomains::PointGeom(3u, 5u, 1.0, -1.0, 1.0));
    SpatialDomains::PointGeomUniquePtr v6(
        new SpatialDomains::PointGeom(3u, 6u, 1.0, 1.0, 1.0));
    SpatialDomains::PointGeomUniquePtr v7(
        new SpatialDomains::PointGeom(3u, 7u, -1.0, 1.0, 1.0));
 
    std::array<SpatialDomains::PointGeom *, 8> v = {
        v0.get(), v1.get(), v2.get(), v3.get(),
        v4.get(), v5.get(), v6.get(), v7.get()};
    std::array<SpatialDomains::SegGeomUniquePtr, 12> segVec;
    std::array<SpatialDomains::QuadGeomUniquePtr, 6> faceVec;
    SpatialDomains::HexGeomUniquePtr hexGeom = CreateHex(v, segVec, faceVec);
 
    Nektar::LibUtilities::PointsType quadPointsTypeDir1 =
        Nektar::LibUtilities::eGaussLobattoLegendre;
    Nektar::LibUtilities::BasisType basisTypeDir1 =
        Nektar::LibUtilities::eModified_A;
    unsigned int numQuadPoints = 6;
    const Nektar::LibUtilities::PointsKey quadPointsKeyDir1(numQuadPoints,
                                                            quadPointsTypeDir1);
    const Nektar::LibUtilities::BasisKey basisKeyDir1(basisTypeDir1, 4,
                                                      quadPointsKeyDir1);
 
    Nektar::LocalRegions::HexExpSharedPtr Exp =
        MemoryManager<Nektar::LocalRegions::HexExp>::AllocateSharedPtr(
            basisKeyDir1, basisKeyDir1, basisKeyDir1, hexGeom.get());
 
    std::vector<StdRegions::StdExpansionSharedPtr> CollExp;
    CollExp.push_back(Exp);
 
    LibUtilities::SessionReaderSharedPtr dummySession;
    Collections::CollectionOptimisation colOpt(dummySession, 3,
                                               Collections::eStdMat);
    Collections::OperatorImpMap impTypes = colOpt.GetOperatorImpMap(Exp);
    Collections::Collection c(CollExp, impTypes);
    c.Initialise(Collections::eBwdTrans);
 
    Array<OneD, NekDouble> coeffs(Exp->GetNcoeffs(), 1.0), tmp;
    for (int i = 0; i < coeffs.size(); ++i)
    {
        coeffs[i] = i + 1;
    }
    Array<OneD, NekDouble> phys1(Exp->GetTotPoints());
    Array<OneD, NekDouble> phys2(Exp->GetTotPoints());
 
    Exp->BwdTrans(coeffs, phys1);
    c.ApplyOperator(Collections::eBwdTrans, coeffs, phys2);
 
    double epsilon = 1.0e-8;
    for (int i = 0; i < phys1.size(); ++i)
    {
        BOOST_CHECK_CLOSE(phys1[i], phys2[i], epsilon);
    }
}

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), Nektar::Collections::Collection::ApplyOperator(), CreateHex(), Nektar::Collections::eBwdTrans, Nektar::LibUtilities::eGaussLobattoLegendre, Nektar::LibUtilities::eModified_A, Nektar::Collections::eStdMat, Nektar::Collections::CollectionOptimisation::GetOperatorImpMap(), and Nektar::Collections::Collection::Initialise().

CreateHex()

SpatialDomains::HexGeomUniquePtr Nektar::HexCollectionTests::CreateHex	(	std::array< SpatialDomains::PointGeom *, 8 >	v,
		std::array< SpatialDomains::SegGeomUniquePtr, 12 > &	segVec,
		std::array< SpatialDomains::QuadGeomUniquePtr, 6 > &	faceVec
	)

Definition at line 54 of file TestHexCollection.cpp.

{
    std::array<std::array<int, 2>, 12> edgeVerts = {{{{0, 1}},
                                                     {{1, 2}},
                                                     {{2, 3}},
                                                     {{3, 0}},
                                                     {{0, 4}},
                                                     {{1, 5}},
                                                     {{2, 6}},
                                                     {{3, 7}},
                                                     {{4, 5}},
                                                     {{5, 6}},
                                                     {{6, 7}},
                                                     {{7, 4}}}};
    std::array<std::array<int, 4>, 6> faceEdges  = {{{{0, 1, 2, 3}},
                                                     {{0, 5, 8, 4}},
                                                     {{1, 6, 9, 5}},
                                                     {{2, 6, 10, 7}},
                                                     {{3, 7, 11, 4}},
                                                     {{8, 9, 10, 11}}}};
 
    // Create segments from vertices
    for (int i = 0; i < 12; ++i)
    {
        segVec[i] = CreateSegGeom(i, v[edgeVerts[i][0]], v[edgeVerts[i][1]]);
    }
 
    // Create faces from edges
    std::array<SpatialDomains::QuadGeom *, 6> faces;
    for (int i = 0; i < 6; ++i)
    {
        std::array<SpatialDomains::SegGeom *, 4> face;
        for (int j = 0; j < 4; ++j)
        {
            face[j] = segVec[faceEdges[i][j]].get();
        }
        faceVec[i] = SpatialDomains::QuadGeomUniquePtr(
            new SpatialDomains::QuadGeom(i, face));
        faces[i] = faceVec[i].get();
    }
 
    SpatialDomains::HexGeomUniquePtr hexGeom(
        new SpatialDomains::HexGeom(0, faces));
    return hexGeom;
}

References CreateSegGeom().

Referenced by BOOST_AUTO_TEST_CASE().

CreateSegGeom()

SpatialDomains::SegGeomUniquePtr Nektar::HexCollectionTests::CreateSegGeom	(	unsigned int	id,
		SpatialDomains::PointGeom *	v0,
		SpatialDomains::PointGeom *	v1
	)

Definition at line 44 of file TestHexCollection.cpp.

{
    std::array<SpatialDomains::PointGeom *, 2> vertices = {v0, v1};
    SpatialDomains::SegGeomUniquePtr result(
        new SpatialDomains::SegGeom(id, 3, vertices));
    return result;
}

Referenced by CreateHex().