示例#1
0
void
Nonlinear3D::computeIncrementalDeformationGradient(std::vector<ColumnMajorMatrix> & Fhat)
{
  // A = grad(u(k+1) - u(k))
  // Fbar = 1 + grad(u(k))
  // Fhat = 1 + A*(Fbar^-1)
  ColumnMajorMatrix A;
  ColumnMajorMatrix Fbar;
  ColumnMajorMatrix Fbar_inverse;
  ColumnMajorMatrix Fhat_average;
  Real volume(0);

  _Fbar.resize(_solid_model.qrule()->n_points());

  for (unsigned qp = 0; qp < _solid_model.qrule()->n_points(); ++qp)
  {
    fillMatrix(qp, _grad_disp_x, _grad_disp_y, _grad_disp_z, A);
    fillMatrix(qp, _grad_disp_x_old, _grad_disp_y_old, _grad_disp_z_old, Fbar);

    A -= Fbar;

    Fbar.addDiag(1);

    _Fbar[qp] = Fbar;

    // Get Fbar^(-1)
    // Computing the inverse is generally a bad idea.
    // It's better to compute LU factors.   For now at least, we'll take
    // a direct route.

    invertMatrix(Fbar, Fbar_inverse);

    Fhat[qp] = A * Fbar_inverse;
    Fhat[qp].addDiag(1);

    if (_volumetric_locking_correction)
    {
      // Now include the contribution for the integration of Fhat over the element
      Fhat_average += Fhat[qp] * _solid_model.JxW(qp);

      volume += _solid_model.JxW(qp); // Accumulate original configuration volume
    }
  }

  if (_volumetric_locking_correction)
  {
    Fhat_average /= volume;
    const Real det_Fhat_average(detMatrix(Fhat_average));

    // Finalize volumetric locking correction
    for (unsigned qp = 0; qp < _solid_model.qrule()->n_points(); ++qp)
    {
      const Real det_Fhat(detMatrix(Fhat[qp]));
      const Real factor(std::cbrt(det_Fhat_average / det_Fhat));

      Fhat[qp] *= factor;
    }
  }
  //    Moose::out << "Fhat(0,0)" << Fhat[0](0,0) << std::endl;
}
示例#2
0
文件: DataIO.C 项目: mellis13/moose
void
dataStore(std::ostream & stream, ColumnMajorMatrix & v, void * /*context*/)
{
  for (unsigned int i = 0; i < v.m(); i++)
    for (unsigned int j = 0; j < v.n(); j++)
    {
      Real r = v(i, j);
      stream.write((char *) &r, sizeof(r));
    }
}
示例#3
0
文件: DataIO.C 项目: mellis13/moose
void
dataLoad(std::istream & stream, ColumnMajorMatrix & v, void * /*context*/)
{
  for (unsigned int i = 0; i < v.m(); i++)
    for (unsigned int j = 0; j < v.n(); j++)
    {
      Real r = 0;
      stream.read((char *) &r, sizeof(r));
      v(i, j) = r;
    }
}
示例#4
0
void
ColumnMajorMatrixTest::zeroMatrix()
{
  ColumnMajorMatrix mat = *two_mat;
  mat.zero();

  CPPUNIT_ASSERT( mat(0,0) == 0 );
  CPPUNIT_ASSERT( mat(1,0) == 0 );
  CPPUNIT_ASSERT( mat(0,1) == 0 );
  CPPUNIT_ASSERT( mat(1,1) == 0 );
}
示例#5
0
void
ColumnMajorMatrixTest::transposeMatrix()
{
  ColumnMajorMatrix mat = *two_mat;
  ColumnMajorMatrix test = mat.transpose();

  CPPUNIT_ASSERT( test(0,0) == 1 );
  CPPUNIT_ASSERT( test(1,0) == 3 );
  CPPUNIT_ASSERT( test(0,1) == 2 );
  CPPUNIT_ASSERT( test(1,1) == 4 );
}
示例#6
0
void
ColumnMajorMatrixTest::numEntries()
{
  //numEntries is tested in other functions, like after different
  //constructors to make sure the number of entries copied over correctly
  ColumnMajorMatrix mat = *two_mat;
  ColumnMajorMatrix mat2(3, 4);

  CPPUNIT_ASSERT( mat.numEntries() == 4 );
  CPPUNIT_ASSERT( mat2.numEntries() == 12 );
}
示例#7
0
void
ColumnMajorMatrixTest::identityMatrix()
{
  ColumnMajorMatrix mat = *two_mat;
  mat.identity();

  CPPUNIT_ASSERT( mat(0,0) == 1 );
  CPPUNIT_ASSERT( mat(1,0) == 0 );
  CPPUNIT_ASSERT( mat(0,1) == 0 );
  CPPUNIT_ASSERT( mat(1,1) == 1 );
}
示例#8
0
void
ColumnMajorMatrixTest::setDiagMatrix()
{
  ColumnMajorMatrix mat = *two_mat;
  mat.setDiag( 9 );

  CPPUNIT_ASSERT( mat(0,0) == 9 );
  CPPUNIT_ASSERT( mat(1,0) == 2 );
  CPPUNIT_ASSERT( mat(0,1) == 3 );
  CPPUNIT_ASSERT( mat(1,1) == 9 );
}
示例#9
0
void
ColumnMajorMatrixTest::contractionMatrix()
{
  ColumnMajorMatrix mat = *two_mat;
  ColumnMajorMatrix sec(2, 2);

  sec(0, 0) = 4;
  sec(1, 0) = 3;
  sec(0, 1) = 2;
  sec(1, 1) = 1;

  CPPUNIT_ASSERT( mat.doubleContraction( sec ) == (1*4 + 2*3 + 3*2 + 4*1) );
}
示例#10
0
void
PlaneStrain::computeDeformationGradient( unsigned int qp, ColumnMajorMatrix & F)
{
  mooseAssert(F.n() == 3 && F.m() == 3, "computeDefGrad requires 3x3 matrix");

  F(0,0) = _grad_disp_x[qp](0) + 1.0;
  F(0,1) = _grad_disp_x[qp](1);
  F(0,2) = 0.0;
  F(1,0) = _grad_disp_y[qp](0);
  F(1,1) = _grad_disp_y[qp](1) + 1.0;
  F(1,2) = 0.0;
  F(2,0) = 0.0;
  F(2,1) = 0.0;
  F(2,2) = 1.0;
}
示例#11
0
文件: Nonlinear3D.C 项目: laizy/moose
void
Nonlinear3D::computeDeformationGradient( unsigned int qp, ColumnMajorMatrix & F)
{
    mooseAssert(F.n() == 3 && F.m() == 3, "computeDefGrad requires 3x3 matrix");

    F(0,0) = _grad_disp_x[qp](0) + 1;
    F(0,1) = _grad_disp_x[qp](1);
    F(0,2) = _grad_disp_x[qp](2);
    F(1,0) = _grad_disp_y[qp](0);
    F(1,1) = _grad_disp_y[qp](1) + 1;
    F(1,2) = _grad_disp_y[qp](2);
    F(2,0) = _grad_disp_z[qp](0);
    F(2,1) = _grad_disp_z[qp](1);
    F(2,2) = _grad_disp_z[qp](2) + 1;
}
示例#12
0
void
ColumnMajorMatrixTest::copyConstructor()
{
  ColumnMajorMatrix mat = *two_mat;
  ColumnMajorMatrix test = mat;
  test(1, 1) = 9;

  CPPUNIT_ASSERT( test(0,0) == 1 );
  CPPUNIT_ASSERT( test(1,0) == 2 );
  CPPUNIT_ASSERT( test(0,1) == 3 );
  CPPUNIT_ASSERT( test(1,1) == 9 );
  CPPUNIT_ASSERT( mat(1,1) == 4 );

  CPPUNIT_ASSERT( test.numEntries() == 4 );
}
示例#13
0
void
NonlinearRZ::computeDeformationGradient( unsigned int qp, ColumnMajorMatrix & F)
{
  mooseAssert(F.n() == 3 && F.m() == 3, "computeDefGrad requires 3x3 matrix");

  F(0,0) = _grad_disp_r[qp](0) + 1;
  F(0,1) = _grad_disp_r[qp](1);
  F(0,2) = 0;
  F(1,0) = _grad_disp_z[qp](0);
  F(1,1) = _grad_disp_z[qp](1) + 1;
  F(1,2) = 0;
  F(2,0) = 0;
  F(2,1) = 0;
  F(2,2) = (_solid_model.q_point(qp)(0) != 0.0 ? _disp_r[qp]/_solid_model.q_point(qp)(0) : 0.0) + 1;
}
示例#14
0
void
SymmElasticityTensor::convertFrom6x6(const ColumnMajorMatrix & input)
{
  if (input.numEntries() != 36)
  {
    mooseError("Cannot convert from ColumnMajorMatrix (wrong size)");
  }

  _val[0] = input(0, 0);
  _val[1] = input(0, 1);
  _val[2] = input(0, 2);
  _val[3] = input(0, 3);
  _val[4] = input(0, 4);
  _val[5] = input(0, 5);

  _val[6] = input(1, 1);
  _val[7] = input(1, 2);
  _val[8] = input(1, 3);
  _val[9] = input(1, 4);
  _val[10] = input(1, 5);

  _val[11] = input(2, 2);
  _val[12] = input(2, 3);
  _val[13] = input(2, 4);
  _val[14] = input(2, 5);

  _val[15] = input(3, 3);
  _val[16] = input(3, 4);
  _val[17] = input(3, 5);

  _val[18] = input(4, 4);
  _val[19] = input(4, 5);

  _val[20] = input(5, 5);
}
示例#15
0
文件: Element.C 项目: Jieun2/moose
Real
Element::detMatrix( const ColumnMajorMatrix & A )
{
  mooseAssert(A.n() == 3 && A.m() == 3, "detMatrix requires 3x3 matrix");

  Real Axx = A(0,0);
  Real Axy = A(0,1);
  Real Axz = A(0,2);
  Real Ayx = A(1,0);
  Real Ayy = A(1,1);
  Real Ayz = A(1,2);
  Real Azx = A(2,0);
  Real Azy = A(2,1);
  Real Azz = A(2,2);

  return   Axx*Ayy*Azz + Axy*Ayz*Azx + Axz*Ayx*Azy
         - Azx*Ayy*Axz - Azy*Ayz*Axx - Azz*Ayx*Axy;
}
示例#16
0
void
NonlinearPlaneStrain::fillMatrix( unsigned int qp,
                                  const VariableGradient & grad_x,
                                  const VariableGradient & grad_y,
                                  const Real & strain_zz,
                                  ColumnMajorMatrix & A) const
{
  mooseAssert(A.n() == 3 && A.m() == 3, "computeDefGrad requires 3x3 matrix");

  A(0,0) = grad_x[qp](0);
  A(0,1) = grad_x[qp](1);
  A(0,2) = 0;
  A(1,0) = grad_y[qp](0);
  A(1,1) = grad_y[qp](1);
  A(1,2) = 0;
  A(2,0) = 0;
  A(2,1) = 0;
  A(2,2) = strain_zz;
}
示例#17
0
void
NonlinearRZ::fillMatrix( unsigned int qp,
                         const VariableGradient & grad_r,
                         const VariableGradient & grad_z,
                         const VariableValue & u,
                         ColumnMajorMatrix & A) const
{
  mooseAssert(A.n() == 3 && A.m() == 3, "computeDefGrad requires 3x3 matrix");

  A(0,0) = grad_r[qp](0);
  A(0,1) = grad_r[qp](1);
  A(0,2) = 0;
  A(1,0) = grad_z[qp](0);
  A(1,1) = grad_z[qp](1);
  A(1,2) = 0;
  A(2,0) = 0;
  A(2,1) = 0;
  A(2,2) = (_solid_model.q_point(qp)(0) != 0.0 ? u[qp]/_solid_model.q_point(qp)(0) : 0.0);
}
示例#18
0
void
NonlinearPlaneStrain::computeDeformationGradient( unsigned int qp, ColumnMajorMatrix & F)
{
  mooseAssert(F.n() == 3 && F.m() == 3, "computeDefGrad requires 3x3 matrix");

  F(0,0) = _grad_disp_x[qp](0) + 1;
  F(0,1) = _grad_disp_x[qp](1);
  F(0,2) = 0;
  F(1,0) = _grad_disp_y[qp](0);
  F(1,1) = _grad_disp_y[qp](1) + 1;
  F(1,2) = 0;
  F(2,0) = 0;
  F(2,1) = 0;
  if (_have_strain_zz)
    F(2,2) = _strain_zz[qp] + 1;
  else if (_have_scalar_strain_zz && _scalar_strain_zz.size()>0)
    F(2,2) = _scalar_strain_zz[qp] + 1;
  else
    F(2,2) = 1;
}
示例#19
0
文件: Element.C 项目: Jieun2/moose
void
Element::polarDecompositionEigen( const ColumnMajorMatrix & Fhat, ColumnMajorMatrix & Rhat, SymmTensor & strain_increment )
{
  const int ND = 3;

  ColumnMajorMatrix eigen_value(ND,1), eigen_vector(ND,ND);
  ColumnMajorMatrix invUhat(ND,ND), logVhat(ND,ND);
  ColumnMajorMatrix n1(ND,1), n2(ND,1), n3(ND,1), N1(ND,1), N2(ND,1), N3(ND,1);

  ColumnMajorMatrix Chat = Fhat.transpose() * Fhat;

  Chat.eigen(eigen_value,eigen_vector);

  for(int i = 0; i < ND; i++)
  {
    N1(i) = eigen_vector(i,0);
    N2(i) = eigen_vector(i,1);
    N3(i) = eigen_vector(i,2);
  }

  const Real lamda1 = std::sqrt(eigen_value(0));
  const Real lamda2 = std::sqrt(eigen_value(1));
  const Real lamda3 = std::sqrt(eigen_value(2));


  const Real log1 = std::log(lamda1);
  const Real log2 = std::log(lamda2);
  const Real log3 = std::log(lamda3);

  ColumnMajorMatrix Uhat = N1 * N1.transpose() * lamda1 +  N2 * N2.transpose() * lamda2 +  N3 * N3.transpose() * lamda3;

  invertMatrix(Uhat,invUhat);

  Rhat = Fhat * invUhat;

  strain_increment = N1 * N1.transpose() * log1 +  N2 * N2.transpose() * log2 +  N3 * N3.transpose() * log3;
}
void AbaqusUmatMaterial::computeStress()
{
    //Calculate deformation gradient - modeled from "solid_mechanics/src/materials/Nonlinear3D.C"
    // Fbar = 1 + grad(u(k))
    ColumnMajorMatrix Fbar;

    Fbar(0,0) = _grad_disp_x[_qp](0);
    Fbar(0,1) = _grad_disp_x[_qp](1);
    Fbar(0,2) = _grad_disp_x[_qp](2);
    Fbar(1,0) = _grad_disp_y[_qp](0);
    Fbar(1,1) = _grad_disp_y[_qp](1);
    Fbar(1,2) = _grad_disp_y[_qp](2);
    Fbar(2,0) = _grad_disp_z[_qp](0);
    Fbar(2,1) = _grad_disp_z[_qp](1);
    Fbar(2,2) = _grad_disp_z[_qp](2);

    Fbar.addDiag(1);
    _Fbar[_qp] = Fbar;

    Real myDFGRD0[9] = {_Fbar_old[_qp](0,0), _Fbar_old[_qp](1,0), _Fbar_old[_qp](2,0), _Fbar_old[_qp](0,1), _Fbar_old[_qp](1,1), _Fbar_old[_qp](2,1), _Fbar_old[_qp](0,2), _Fbar_old[_qp](1,2), _Fbar_old[_qp](2,2)};
    Real myDFGRD1[9] = {_Fbar[_qp](0,0), _Fbar[_qp](1,0), _Fbar[_qp](2,0), _Fbar[_qp](0,1), _Fbar[_qp](1,1), _Fbar[_qp](2,1), _Fbar[_qp](0,2), _Fbar[_qp](1,2), _Fbar[_qp](2,2)};

    for (unsigned int i=0; i<9; ++i)
    {
        _DFGRD0[i] = myDFGRD0[i];
        _DFGRD1[i] = myDFGRD1[i];
    }

    //Recover "old" state variables
    for (unsigned int i=0; i<_num_state_vars; ++i)
        _STATEV[i]=_state_var_old[_qp][i];

    //Pass through updated stress, total strain, and strain increment arrays
    for (int i=0; i<_NTENS; ++i)
    {
        _STRESS[i] = _stress_old.component(i);
        _STRAN[i] = _total_strain[_qp].component(i);
        _DSTRAN[i] = _strain_increment.component(i);
    }

    //Pass through step , time, and coordinate system information
    _KSTEP = _t_step;                       //Step number
    _TIME[0] = _t;                          //Value of step time at the beginning of the current increment - Check
    _TIME[1] = _t-_dt;                      //Value of total time at the beginning of the current increment - Check
    _DTIME = _dt;                           //Time increment
    for (unsigned int i=0; i<3; ++i)        //Loop current coordinates in UMAT COORDS
        _COORDS[i] = _coord[i];

    //Connection to extern statement
    _umat(_STRESS, _STATEV, _DDSDDE, &_SSE, &_SPD, &_SCD, &_RPL, _DDSDDT, _DRPLDE, &_DRPLDT, _STRAN, _DSTRAN, _TIME, &_DTIME, &_TEMP, &_DTEMP, _PREDEF, _DPRED, &_CMNAME, &_NDI, &_NSHR, &_NTENS, &_NSTATV, _PROPS, &_NPROPS, _COORDS, _DROT, &_PNEWDT, &_CELENT, _DFGRD0, _DFGRD1, &_NOEL, &_NPT, &_LAYER, &_KSPT, &_KSTEP, &_KINC);

    //Energy outputs
    _elastic_strain_energy[_qp] = _SSE;
    _plastic_dissipation[_qp] = _SPD;
    _creep_dissipation[_qp] = _SCD;

    //Update state variables
    for (unsigned int i=0; i<_num_state_vars; ++i)
        _state_var[_qp][i]=_STATEV[i];

    //Get new stress tensor - UMAT should update stress
    SymmTensor stressnew(_STRESS[0], _STRESS[1], _STRESS[2], _STRESS[3], _STRESS[4], _STRESS[5]);
    _stress[_qp] = stressnew;
}
示例#21
0
void
SymmElasticityTensor::rotateFromGlobalToLocal(const ColumnMajorMatrix & R)
{
  convertFrom9x9(R.transpose() * (columnMajorMatrix9x9() * R));
}
示例#22
0
PiecewiseBilinear::PiecewiseBilinear(const InputParameters & parameters) :
    Function(parameters),
    _data_file_name(getParam<FileName>("data_file")),
    _axis(getParam<int>("axis")),
    _yaxis(getParam<int>("yaxis")),
    _xaxis(getParam<int>("xaxis")),
    _axisValid( _axis > -1 && _axis < 3 ),
    _yaxisValid( _yaxis > -1 && _yaxis < 3 ),
    _xaxisValid( _xaxis > -1 && _xaxis < 3 ),
    _scale_factor( getParam<Real>("scale_factor") ),
    _radial(getParam<bool>("radial"))
{

  if (!_axisValid && !_yaxisValid && !_xaxisValid)
    mooseError("In PiecewiseBilinear " << _name << ": None of axis, yaxis, or xaxis properly defined.  Allowable range is 0-2");

  if (_axisValid && (_yaxisValid || _xaxisValid))
    mooseError("In PiecewiseBilinear " << _name << ": Cannot define axis with either yaxis or xaxis");

  if (_radial && (!_yaxisValid || !_xaxisValid))
    mooseError("In PiecewiseBilinear " << _name << ": yaxis and xaxis must be defined when radial = true");

  std::vector<Real> x;
  std::vector<Real> y;
  ColumnMajorMatrix z;
  std::vector<Real> z_vec;

  if (!_data_file_name.empty())
  {
    if ( parameters.isParamValid("x") || parameters.isParamValid("y") || parameters.isParamValid("z") )
      mooseError("In PiecewiseBilinear: Cannot specify 'data_file' and 'x', 'y', or 'z' together.");
    else
      parse( x, y, z );
  }

  else if ( !(parameters.isParamValid("x") && parameters.isParamValid("y") && parameters.isParamValid("z")) )
      mooseError("In PiecewiseBilinear: 'x' and 'y' and 'z' must be specified if any one is specified.");

  else
  {
    x = getParam<std::vector<Real> >("x");
    y = getParam<std::vector<Real> >("y");
    z_vec = getParam<std::vector<Real> >("z");

    //check that size of z = (size of x)*(size of y)
    if (z_vec.size() != x.size()*y.size())
      mooseError("In PiecewiseBilinear: Size of z should be the size of x times the size of y.");

    //reshape and populate z matrix
    z.reshape(y.size(),x.size());
    int idx = 0;
    for (unsigned int i = 0; i < y.size(); i++)
      for (unsigned int j = 0; j < x.size(); j++)
      {
        z(i,j) = z_vec[idx];
        idx += 1;
      }
  }

  _bilinear_interp = libmesh_make_unique<BilinearInterpolation>(x, y, z);
}
示例#23
0
void
PiecewiseBilinear::parse( std::vector<Real> & x,
                          std::vector<Real> & y,
                          ColumnMajorMatrix & z)
{
  std::ifstream file(_data_file_name.c_str());
  if (!file.good())
    mooseError("In PiecewiseBilinear " << _name << ": Error opening file '" + _data_file_name + "'.");
  std::string line;
  unsigned int linenum= 0;
  unsigned int itemnum = 0;
  unsigned int num_cols = 0;
  std::vector<Real> data;

  while (getline (file, line))
  {
    linenum++;
    std::istringstream linestream(line);
    std::string item;
    itemnum = 0;

    while (getline (linestream, item, ','))
    {
      itemnum++;
      std::istringstream i(item);
      Real d;
      i >> d;
      data.push_back(d);
    }

    if (linenum == 1)
      num_cols = itemnum;
    else if (num_cols+1 != itemnum)
      mooseError("In PiecewiseBilinear " << _name << ": Read " << itemnum << " columns of data but expected " << num_cols+1
                 << " columns while reading line " << linenum << " of '" << _data_file_name << "'.");
  }

  x.resize(itemnum-1);
  y.resize(linenum-1);
  z.reshape(linenum-1,itemnum-1);
  unsigned int offset(0);
  // Extract the first line's data (the x axis data)
  for (unsigned int j = 0; j < itemnum-1; ++j)
  {
    x[j] = data[offset];
    ++offset;
  }
  for (unsigned int i = 0; i < linenum-1; ++i)
  {
    // Extract the y axis entry for this line
    y[i] = data[offset];
    ++offset;

    // Extract the function values for this row in the matrix
    for (unsigned int j = 0; j < itemnum-1; ++j)
    {
      z(i,j) = data[offset];
      ++offset;
    }
  }

  if (data.size() != offset)
    mooseError("ERROR! Inconsistency in data read from '" + _data_file_name + "' for PiecewiseBilinear function.");
}