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pointConstraint: Added constrainDisplacement

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which directly applies the constraint to the displacement without
external tensor ops.

Patch contributed by Mattijs Janssens
This commit is contained in:
Henry Weller
2016-11-04 17:13:04 +00:00
parent 9efe94407f
commit 7781656347
2 changed files with 44 additions and 9 deletions
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7
src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointConstraint/pointConstraint.H
View File

@ -2,7 +2,7 @@
========= | ========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | \\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation \\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\/ M anipulation | \\/ M anipulation |
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
License License
@ -87,6 +87,9 @@ public:
//- Return the accumulated unconstrained directions. Directions //- Return the accumulated unconstrained directions. Directions
// coded as first n rows of tensor. // coded as first n rows of tensor.
inline void unconstrainedDirections(label& n, tensor& vecs) const; inline void unconstrainedDirections(label& n, tensor& vecs) const;
//- Constrain a displacement
inline vector constrainDisplacement(const vector& disp) const;
}; };
@ -103,7 +106,7 @@ inline pointConstraint transform(const tensor& tt, const pointConstraint& v);
//- contiguous //- contiguous
template<class T> bool contiguous(); template<class T> bool contiguous();
template<> template<>
inline bool contiguous<pointConstraint>() {return true;} inline bool contiguous<pointConstraint>() {return true;}

46
src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointConstraint/pointConstraintI.H
View File

@ -45,7 +45,7 @@ inline Foam::pointConstraint::pointConstraint(Istream& is)
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::pointConstraint::applyConstraint(const vector& cd) inline void Foam::pointConstraint::applyConstraint(const vector& cd)
{ {
if (first() == 0) if (first() == 0)
{ {
@ -74,7 +74,7 @@ void Foam::pointConstraint::applyConstraint(const vector& cd)
} }
void Foam::pointConstraint::combine(const pointConstraint& pc) inline void Foam::pointConstraint::combine(const pointConstraint& pc)
{ {
if (first() == 0) if (first() == 0)
{ {
@ -115,7 +115,7 @@ void Foam::pointConstraint::combine(const pointConstraint& pc)
} }
Foam::tensor Foam::pointConstraint::constraintTransformation() const inline Foam::tensor Foam::pointConstraint::constraintTransformation() const
{ {
if (first() == 0) if (first() == 0)
{ {
@ -136,8 +136,11 @@ Foam::tensor Foam::pointConstraint::constraintTransformation() const
} }
void Foam::pointConstraint::unconstrainedDirections(label& n, tensor& tt) inline void Foam::pointConstraint::unconstrainedDirections
const (
label& n,
tensor& tt
) const
{ {
n = 3-first(); n = 3-first();
@ -179,7 +182,36 @@ const
} }
void Foam::combineConstraintsEqOp::operator() inline Foam::vector Foam::pointConstraint::constrainDisplacement
(
const vector& d
) const
{
vector cd;
if (first() == 0)
{
cd = d;
}
else if (first() == 1)
{
// Remove plane normal
cd = d-(d&second())*second();
}
else if (first() == 2)
{
// Keep line direction only
cd = (d&second())*second();
}
else
{
cd = Zero;
}
return cd;
}
inline void Foam::combineConstraintsEqOp::operator()
( (
pointConstraint& x, pointConstraint& x,
const pointConstraint& y const pointConstraint& y
@ -189,7 +221,7 @@ void Foam::combineConstraintsEqOp::operator()
} }
Foam::pointConstraint Foam::transform inline Foam::pointConstraint Foam::transform
( (
const tensor& tt, const tensor& tt,
const pointConstraint& v const pointConstraint& v