ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp > Struct Template Reference

#include "tutorials/adv-1_contact/src/ContactOps.hpp"

Inheritance diagram for ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >:

Collaboration diagram for ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >:

Public Member Functions
	OpConstrainBoundaryLhs_dUImpl (const std::string row_field_name, const std::string col_field_name, boost::shared_ptr< CommonData > common_data_ptr, bool is_axisymmetric=false)
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)

Public Attributes
SurfaceDistanceFunction	surfaceDistanceFunction = surface_distance_function
GradSurfaceDistanceFunction	gradSurfaceDistanceFunction
HessSurfaceDistanceFunction	hessSurfaceDistanceFunction
boost::shared_ptr< CommonData >	commonDataPtr
bool	isAxisymmetric

Detailed Description

template<int DIM, typename AssemblyBoundaryEleOp>
struct ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >

Definition at line 556 of file ContactOps.hpp.

Constructor & Destructor Documentation

OpConstrainBoundaryLhs_dUImpl()

template<int DIM, typename AssemblyBoundaryEleOp >

ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::OpConstrainBoundaryLhs_dUImpl	(	const std::string	row_field_name,
		const std::string	col_field_name,
		boost::shared_ptr< CommonData >	common_data_ptr,
		bool	is_axisymmetric = false
	)

Definition at line 988 of file ContactOps.hpp.

    : AssemblyBoundaryEleOp(row_field_name, col_field_name,
                            AssemblyBoundaryEleOp::OPROWCOL),
      commonDataPtr(common_data_ptr), isAxisymmetric(is_axisymmetric) {
  AssemblyBoundaryEleOp::sYmm = false;
}

Member Function Documentation

iNtegrate()

template<int DIM, typename AssemblyBoundaryEleOp >

MoFEMErrorCode ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::iNtegrate	(	EntitiesFieldData::EntData &	row_data,
		EntitiesFieldData::EntData &	col_data
	)

Definition at line 1001 of file ContactOps.hpp.

                                        {
  MoFEMFunctionBegin;
 
  FTensor::Index<'i', DIM> i;
  FTensor::Index<'j', DIM> j;
  FTensor::Index<'k', DIM> k;
 
  const size_t nb_gauss_pts = AssemblyBoundaryEleOp::getGaussPts().size2();
  auto &locMat = AssemblyBoundaryEleOp::locMat;
 
  auto t_traction = getFTensor1FromMat<DIM>(commonDataPtr->contactTraction);
  auto t_coords = AssemblyBoundaryEleOp::getFTensor1CoordsAtGaussPts();
 
  auto t_w = AssemblyBoundaryEleOp::getFTensor0IntegrationWeight();
  auto t_row_base = row_data.getFTensor1N<3>();
  size_t nb_face_functions = row_data.getN().size2() / 3;
 
  auto m_spatial_coords = get_spatial_coords(
      BoundaryEleOp::getFTensor1CoordsAtGaussPts(),
      getFTensor1FromMat<DIM>(commonDataPtr->contactDisp), nb_gauss_pts);
  auto m_normals_at_pts = get_normalize_normals(
      BoundaryEleOp::getFTensor1NormalsAtGaussPts(), nb_gauss_pts);
 
  auto t_normal = getFTensor1FromMat<3>(m_normals_at_pts);
 
  auto ts_time = AssemblyBoundaryEleOp::getTStime();
  auto ts_time_step = AssemblyBoundaryEleOp::getTStimeStep();
 
  // placeholder to pass boundary block id to python
  int block_id = 0;
 
  auto v_sdf =
      surfaceDistanceFunction(ts_time_step, ts_time, nb_gauss_pts,
                              m_spatial_coords, m_normals_at_pts, block_id);
 
  auto m_grad_sdf =
      gradSurfaceDistanceFunction(ts_time_step, ts_time, nb_gauss_pts,
                                  m_spatial_coords, m_normals_at_pts, block_id);
 
  auto m_hess_sdf =
      hessSurfaceDistanceFunction(ts_time_step, ts_time, nb_gauss_pts,
                                  m_spatial_coords, m_normals_at_pts, block_id);
 
  auto t_sdf = getFTensor0FromVec(v_sdf);
  auto t_grad_sdf = getFTensor1FromMat<3>(m_grad_sdf);
  auto t_hess_sdf = getFTensor2SymmetricFromMat<3>(m_hess_sdf);
 
  for (size_t gg = 0; gg != nb_gauss_pts; ++gg) {
 
    double jacobian = 1.;
    if (isAxisymmetric) {
      jacobian = 2. * M_PI * t_coords(0);
    }
    const double alpha = t_w * jacobian * AssemblyBoundaryEleOp::getMeasure();
 
    auto tn = -t_traction(i) * t_grad_sdf(i);
    auto c = constrain(t_sdf, tn);
 
    FTensor::Tensor2<double, DIM, DIM> t_cP;
    t_cP(i, j) = (c * t_grad_sdf(i)) * t_grad_sdf(j);
    FTensor::Tensor2<double, DIM, DIM> t_cQ;
    t_cQ(i, j) = kronecker_delta(i, j) - t_cP(i, j);
 
    FTensor::Tensor2<double, DIM, DIM> t_res_dU;
    t_res_dU(i, j) = kronecker_delta(i, j) + t_cP(i, j);
 
    if (c > 0) {
      t_res_dU(i, j) +=
          (c * cn_contact) *
              (t_hess_sdf(i, j) * (t_grad_sdf(k) * t_traction(k)) +
               t_grad_sdf(i) * t_hess_sdf(k, j) * t_traction(k)) +
          c * t_sdf * t_hess_sdf(i, j);
    }
 
    size_t rr = 0;
    for (; rr != AssemblyBoundaryEleOp::nbRows / DIM; ++rr) {
 
      auto t_mat = getFTensor2FromArray<DIM, DIM, DIM>(locMat, DIM * rr);
 
      const double row_base = t_row_base(i) * t_normal(i);
 
      auto t_col_base = col_data.getFTensor0N(gg, 0);
      for (size_t cc = 0; cc != AssemblyBoundaryEleOp::nbCols / DIM; ++cc) {
        const double beta = alpha * row_base * t_col_base;
 
        t_mat(i, j) -= beta * t_res_dU(i, j);
 
        ++t_col_base;
        ++t_mat;
      }
 
      ++t_row_base;
    }
    for (; rr < nb_face_functions; ++rr)
      ++t_row_base;
 
    ++t_traction;
    ++t_coords;
    ++t_w;
    ++t_normal;
    ++t_sdf;
    ++t_grad_sdf;
    ++t_hess_sdf;
  }
 
  MoFEMFunctionReturn(0);
}

Member Data Documentation

commonDataPtr

template<int DIM, typename AssemblyBoundaryEleOp >

boost::shared_ptr<CommonData> ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::commonDataPtr

Definition at line 571 of file ContactOps.hpp.

gradSurfaceDistanceFunction

template<int DIM, typename AssemblyBoundaryEleOp >

GradSurfaceDistanceFunction ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::gradSurfaceDistanceFunction

Initial value:

=
      grad_surface_distance_function

Definition at line 566 of file ContactOps.hpp.

hessSurfaceDistanceFunction

template<int DIM, typename AssemblyBoundaryEleOp >

HessSurfaceDistanceFunction ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::hessSurfaceDistanceFunction

Initial value:

=
      hess_surface_distance_function

Definition at line 568 of file ContactOps.hpp.

isAxisymmetric

template<int DIM, typename AssemblyBoundaryEleOp >

bool ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::isAxisymmetric

Definition at line 572 of file ContactOps.hpp.

surfaceDistanceFunction

template<int DIM, typename AssemblyBoundaryEleOp >

SurfaceDistanceFunction ContactOps::OpConstrainBoundaryLhs_dUImpl< DIM, GAUSS, AssemblyBoundaryEleOp >::surfaceDistanceFunction = surface_distance_function

Definition at line 565 of file ContactOps.hpp.

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The documentation for this struct was generated from the following file:

• tutorials/adv-1_contact/src/ContactOps.hpp