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ATC version 2.0, date: Nov20

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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12757 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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jatempl
2014-11-20 18:59:03 +00:00
parent 2fecb0f4b8
commit ac5973073f
69 changed files with 5895 additions and 2159 deletions
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45
lib/atc/FieldEulerIntegrator.h
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@ -40,6 +40,10 @@ class FieldEulerIntegrator {
/** Destructor */
virtual ~FieldEulerIntegrator() {};
/** initialize */
virtual void initialize(const double dt, const double time,
FIELDS & fields) {};
/** update */
virtual void update(const double dt, const double time,
FIELDS & fields, FIELDS & rhs) = 0;
@ -133,6 +137,47 @@ class FieldImplicitEulerIntegrator : public FieldEulerIntegrator {
double tol_;
};
/**
* @class FieldImplicitDirectEulerIntegrator
* @brief implicit Euler method with direct solve
*/
class FieldImplicitDirectEulerIntegrator : public FieldEulerIntegrator {
public:
/** Constructor */
FieldImplicitDirectEulerIntegrator(
const FieldName fieldName,
const PhysicsModel * physicsModel,
/*const*/ FE_Engine * feEngine,
/*const*/ ATC_Coupling * atc,
const Array2D< bool > & rhsMask, // copy
const double alpha = 0.5 // default to trap/midpt
);
/** Destructor */
virtual ~FieldImplicitDirectEulerIntegrator();
/** initalize - init the matrices and inverses */
void initialize(const double dt, const double time,
FIELDS & fields);
/** update */
void update(const double dt, const double time,
FIELDS & fields, FIELDS & rhs);
protected:
/** euler update factor */
double alpha_;
/** matrices */
SPAR_MAT _M_;
SPAR_MAT _K_;
SPAR_MAT _lhsMK_;
SPAR_MAT _rhsMK_;
class LinearSolver * solver_;
};
} // namespace ATC
#endif