SwitchingFunction3PhaseMaterial Class Reference

Material class to provide switching functions that prevent formation of a third phase at a two-phase interface. More...

#include <SwitchingFunction3PhaseMaterial.h>

Inheritance diagram for SwitchingFunction3PhaseMaterial:

Public Types
typedef std::vector< EBTerm >	EBTermList
typedef std::vector< EBTermNode * >	EBTermNodeList
typedef std::vector< const EBSubstitutionRule * >	EBSubstitutionRuleList

Public Member Functions
	SwitchingFunction3PhaseMaterial (const InputParameters &parameters)
	BINARYFUNC_OP_IMPLEMENT (+, ADD) BINARYFUNC_OP_IMPLEMENT(-
SUB BINARYFUNC_OP_IMPLEMENT MUL	BINARYFUNC_OP_IMPLEMENT (/, DIV) BINARYFUNC_OP_IMPLEMENT(%
SUB BINARYFUNC_OP_IMPLEMENT MUL MOD	BINARYFUNC_OP_IMPLEMENT (<, LESS) BINARYFUNC_OP_IMPLEMENT(>
SUB BINARYFUNC_OP_IMPLEMENT MUL MOD GREATER	BINARYFUNC_OP_IMPLEMENT (<=, LESSEQ) BINARYFUNC_OP_IMPLEMENT(>
SUB BINARYFUNC_OP_IMPLEMENT MUL MOD GREATER GREATEREQ	BINARYFUNC_OP_IMPLEMENT (==, EQ) BINARYFUNC_OP_IMPLEMENT(!

Protected Attributes
EBTerm	_eta_i
	Coupled variable values for order parameters. More...
EBTerm	_eta_j
EBTerm	_eta_k

Detailed Description

Material class to provide switching functions that prevent formation of a third phase at a two-phase interface.

See Folch and Plapp, Phys. Rev. E, v. 72, 011602 (2005).

Definition at line 26 of file SwitchingFunction3PhaseMaterial.h.

Member Typedef Documentation

EBSubstitutionRuleList

typedef std::vector<const EBSubstitutionRule *> ExpressionBuilder::EBSubstitutionRuleList

inherited

Definition at line 59 of file ExpressionBuilder.h.

EBTermList

typedef std::vector<EBTerm> ExpressionBuilder::EBTermList

inherited

Definition at line 56 of file ExpressionBuilder.h.

EBTermNodeList

typedef std::vector<EBTermNode *> ExpressionBuilder::EBTermNodeList

inherited

Definition at line 58 of file ExpressionBuilder.h.

Constructor & Destructor Documentation

SwitchingFunction3PhaseMaterial()

SwitchingFunction3PhaseMaterial::SwitchingFunction3PhaseMaterial

(

const InputParameters &

parameters

)

Definition at line 33 of file SwitchingFunction3PhaseMaterial.C.

  : DerivativeParsedMaterialHelper(parameters), _eta_i("eta_i"), _eta_j("eta_j"), _eta_k("eta_k")
{
  EBTerm h_i;
 
  if (getParam<bool>("constrain_range"))
  {
    EBFunction h;
    EBTerm eta("eta");
 
    h(eta) =
        conditional(eta < 0, 0, conditional(eta > 1, 1, 3.0 * pow(eta, 2) - 2.0 * pow(eta, 3)));
 
    h_i = pow(h(_eta_i), 2) / 4.0 *
          (15.0 * (1.0 - h(_eta_i)) * (1.0 + h(_eta_i) - pow(h(_eta_k) - h(_eta_j), 2)) +
           h(_eta_i) * (9.0 * pow(h(_eta_i), 2) - 5.0));
  }
  else
    h_i = pow(_eta_i, 2) / 4.0 *
          (15.0 * (1.0 - _eta_i) * (1.0 + _eta_i - pow(_eta_k - _eta_j, 2)) +
           _eta_i * (9.0 * pow(_eta_i, 2) - 5.0));
 
  // Parse function for automatic differentiation
  functionParse(h_i);
}

Member Function Documentation

BINARYFUNC_OP_IMPLEMENT() [1/5]

ExpressionBuilder::BINARYFUNC_OP_IMPLEMENT ( +  , ADD    )

inherited

BINARYFUNC_OP_IMPLEMENT() [2/5]

SUB BINARYFUNC_OP_IMPLEMENT MUL ExpressionBuilder::BINARYFUNC_OP_IMPLEMENT ( /  , DIV    )

inherited

BINARYFUNC_OP_IMPLEMENT() [3/5]

SUB BINARYFUNC_OP_IMPLEMENT MUL MOD ExpressionBuilder::BINARYFUNC_OP_IMPLEMENT ( )

inherited

BINARYFUNC_OP_IMPLEMENT() [4/5]

SUB BINARYFUNC_OP_IMPLEMENT MUL MOD GREATER ExpressionBuilder::BINARYFUNC_OP_IMPLEMENT ( <=  , LESSEQ    )

inherited

BINARYFUNC_OP_IMPLEMENT() [5/5]

SUB BINARYFUNC_OP_IMPLEMENT MUL MOD GREATER GREATEREQ ExpressionBuilder::BINARYFUNC_OP_IMPLEMENT ( EQ  )

inherited

Member Data Documentation

_eta_i

EBTerm SwitchingFunction3PhaseMaterial::_eta_i

protected

Coupled variable values for order parameters.

Definition at line 34 of file SwitchingFunction3PhaseMaterial.h.

Referenced by SwitchingFunction3PhaseMaterial().

_eta_j

EBTerm SwitchingFunction3PhaseMaterial::_eta_j

protected

Definition at line 35 of file SwitchingFunction3PhaseMaterial.h.

Referenced by SwitchingFunction3PhaseMaterial().

_eta_k

EBTerm SwitchingFunction3PhaseMaterial::_eta_k

protected

Definition at line 36 of file SwitchingFunction3PhaseMaterial.h.

Referenced by SwitchingFunction3PhaseMaterial().

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The documentation for this class was generated from the following files:

• phase_field/include/materials/SwitchingFunction3PhaseMaterial.h
• phase_field/src/materials/SwitchingFunction3PhaseMaterial.C