22 typename ShapeMatrixTypeDisplacement::NodalRowVectorType
N_u;
23 typename ShapeMatrixTypeDisplacement::GlobalDimNodalMatrixType
dNdx_u;
25 typename ShapeMatricesTypePressure::NodalRowVectorType
N_p;
26 typename ShapeMatricesTypePressure::GlobalDimNodalMatrixType
dNdx_p;