FreeSurfaceOps::OpLhsU_dU Struct Reference

Lhs for U dU. More...

#include <users_modules/tutorials/vec-5/src/FreeSurfaceOps.hpp>

Inheritance diagram for FreeSurfaceOps::OpLhsU_dU:

Collaboration diagram for FreeSurfaceOps::OpLhsU_dU:

Public Member Functions
	OpLhsU_dU (const std::string field_name, boost::shared_ptr< MatrixDouble > u_ptr, boost::shared_ptr< MatrixDouble > grad_u_ptr, boost::shared_ptr< VectorDouble > h_ptr)
MoFEMErrorCode	iNtegrate (EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)

Private Attributes
boost::shared_ptr< MatrixDouble >	uPtr
boost::shared_ptr< MatrixDouble >	gradUPtr
boost::shared_ptr< VectorDouble >	hPtr

Detailed Description

Lhs for U dU.

Examples

free_surface.cpp.

Definition at line 308 of file FreeSurfaceOps.hpp.

Constructor & Destructor Documentation

OpLhsU_dU()

FreeSurfaceOps::OpLhsU_dU::OpLhsU_dU ( const std::string  field_name, boost::shared_ptr< MatrixDouble >  u_ptr, boost::shared_ptr< MatrixDouble >  grad_u_ptr, boost::shared_ptr< VectorDouble >  h_ptr  )

inline

Definition at line 310 of file FreeSurfaceOps.hpp.

      : AssemblyDomainEleOp(field_name, field_name,
                            AssemblyDomainEleOp::OPROWCOL),
        uPtr(u_ptr), gradUPtr(grad_u_ptr), hPtr(h_ptr) {
    sYmm = false;
    assembleTranspose = false;
  }

Member Function Documentation

iNtegrate()

MoFEMErrorCode FreeSurfaceOps::OpLhsU_dU::iNtegrate ( EntitiesFieldData::EntData &  row_data, EntitiesFieldData::EntData &  col_data  )

inline

Definition at line 320 of file FreeSurfaceOps.hpp.

                                                               {
    MoFEMFunctionBegin;
 
    const double vol = getMeasure();
    auto t_u = getFTensor1FromMat<U_FIELD_DIM>(*uPtr);
    auto t_grad_u = getFTensor2FromMat<U_FIELD_DIM, SPACE_DIM>(*gradUPtr);
    auto t_h = getFTensor0FromVec(*hPtr);
    auto t_coords = getFTensor1CoordsAtGaussPts();
 
    auto t_row_base = row_data.getFTensor0N();
    auto t_row_diff_base = row_data.getFTensor1DiffN<SPACE_DIM>();
 
    auto t_w = getFTensor0IntegrationWeight();
 
    auto get_mat = [&](const int rr) {
      return getFTensor2FromArray<SPACE_DIM, SPACE_DIM, SPACE_DIM>(locMat, rr);
    };
 
    auto ts_a = getTSa();
    constexpr auto t_kd = FTensor::Kronecker_Delta_symmetric<double>();
 
    for (int gg = 0; gg != nbIntegrationPts; gg++) {
 
      const double r = t_coords(0);
      const double alpha = t_w * vol * cylindrical(r);
      const double rho = phase_function(t_h, rho_diff, rho_ave);
      const double mu = phase_function(t_h, mu_diff, mu_ave);
 
      const double beta0 = alpha * rho;
      const double beta1 = beta0 * ts_a;
      auto t_D = get_D(2 * mu);
 
      int rr = 0;
      for (; rr != nbRows / U_FIELD_DIM; ++rr) {
 
        auto t_mat = get_mat(rr * U_FIELD_DIM);
        auto t_col_base = col_data.getFTensor0N(gg, 0);
        auto t_col_diff_base = col_data.getFTensor1DiffN<SPACE_DIM>(gg, 0);
 
        FTensor::Christof<double, SPACE_DIM, SPACE_DIM> t_d_stress;
        // I mix up the indices here so that it behaves like a
        // Dg.  That way I don't have to have a separate wrapper
        // class Christof_Expr, which simplifies things.
        t_d_stress(l, j, k) = t_D(i, j, k, l) * (alpha * t_row_diff_base(i));
 
        for (int cc = 0; cc != nbCols / U_FIELD_DIM; ++cc) {
 
          const double bb = t_row_base * t_col_base;
 
          t_mat(i, j) += (beta1 * bb) * t_kd(i, j);
          t_mat(i, j) += (beta0 * bb) * t_grad_u(i, j);
          t_mat(i, j) +=
              (beta0 * t_row_base) * t_kd(i, j) * (t_col_diff_base(k) * t_u(k));
          t_mat(i, j) += t_d_stress(i, j, k) * t_col_diff_base(k);
 
          // When we move to C++17 add if constexpr()
          if constexpr (coord_type == CYLINDRICAL) {
            t_mat(0, 0) += (bb * (alpha / t_coords(0))) * (2 * mu);
          }
 
          ++t_mat;
          ++t_col_base;
          ++t_col_diff_base;
        }
 
        ++t_row_base;
        ++t_row_diff_base;
      }
 
      for (; rr < nbRowBaseFunctions; ++rr) {
        ++t_row_diff_base;
        ++t_row_base;
      }
 
      ++t_u;
      ++t_grad_u;
      ++t_h;
 
      ++t_coords;
      ++t_w;
    }
 
    MoFEMFunctionReturn(0);
  }

Member Data Documentation

gradUPtr

boost::shared_ptr<MatrixDouble> FreeSurfaceOps::OpLhsU_dU::gradUPtr

private

Definition at line 408 of file FreeSurfaceOps.hpp.

hPtr

boost::shared_ptr<VectorDouble> FreeSurfaceOps::OpLhsU_dU::hPtr

private

Definition at line 409 of file FreeSurfaceOps.hpp.

uPtr

boost::shared_ptr<MatrixDouble> FreeSurfaceOps::OpLhsU_dU::uPtr

private

Definition at line 407 of file FreeSurfaceOps.hpp.

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

• users_modules/tutorials/vec-5/src/FreeSurfaceOps.hpp