VariableGradient & Coupleable::coupledGradient(const std::string & var_name, unsigned int comp) { coupledCallback(var_name, false); if (_nodal) mooseError("Nodal variables do not have gradients"); MooseVariable * var = getVar(var_name, comp); return (_c_is_implicit) ? var->gradSln() : var->gradSlnOld(); }
VariableGradient & Coupleable::coupledGradientOld(const std::string & var_name, unsigned int comp) { if (!isCoupled(var_name)) // Return default 0 return _default_gradient; coupledCallback(var_name, true); if (_nodal) mooseError("Nodal variables do not have gradients"); validateExecutionerType(var_name); MooseVariable * var = getVar(var_name, comp); return (_c_is_implicit) ? var->gradSlnOld() : var->gradSlnOlder(); }
const VariableGradient & Coupleable::coupledGradient(const std::string & var_name, unsigned int comp) { if (!isCoupled(var_name)) // Return default 0 return _default_gradient; coupledCallback(var_name, false); if (_nodal) mooseError("Nodal variables do not have gradients"); MooseVariable * var = getVar(var_name, comp); if (!_coupleable_neighbor) return (_c_is_implicit) ? var->gradSln() : var->gradSlnOld(); else return (_c_is_implicit) ? var->gradSlnNeighbor() : var->gradSlnOldNeighbor(); }