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ENH: tabulated6DoFMotion: add optional linear interpolation scheme

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This commit is contained in:
Kutalmis Bercin
2024-12-18 15:00:57 +00:00
parent a2b3187188
commit ed99546b8a
2 changed files with 59 additions and 7 deletions
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48
src/meshTools/solidBodyMotionFunctions/tabulated6DoFMotion/tabulated6DoFMotion.C
View File

@ -31,6 +31,7 @@ License
#include "Tuple2.H"
#include "IFstream.H"
#include "interpolateSplineXY.H"
#include "interpolateXY.H"
#include "unitConversion.H"
@ -51,6 +52,17 @@ namespace solidBodyMotionFunctions
}
const Foam::Enum
<
Foam::solidBodyMotionFunctions::tabulated6DoFMotion::interpolationType
>
Foam::solidBodyMotionFunctions::tabulated6DoFMotion::interpolationTypeNames
({
{ interpolationType::SPLINE, "spline" },
{ interpolationType::LINEAR, "linear" }
});
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::solidBodyMotionFunctions::tabulated6DoFMotion::tabulated6DoFMotion
@ -90,12 +102,28 @@ Foam::solidBodyMotionFunctions::tabulated6DoFMotion::transformation() const
<< exit(FatalError);
}
translationRotationVectors TRV = interpolateSplineXY
(
t,
times_,
values_
);
translationRotationVectors TRV;
switch (interpolator_)
{
case interpolationType::SPLINE:
{
TRV = interpolateSplineXY(t, times_, values_);
break;
}
case interpolationType::LINEAR:
{
TRV = interpolateXY(t, times_, values_);
break;
}
default:
{
FatalErrorInFunction
<< "Unrecognised 'interpolationScheme' option: "
<< interpolationTypeNames[interpolator_]
<< exit(FatalError);
break;
}
}
// Convert the rotational motion from deg to rad
TRV[1] *= degToRad();
@ -155,6 +183,14 @@ bool Foam::solidBodyMotionFunctions::tabulated6DoFMotion::read
SBMFCoeffs_.readEntry("CofG", CofG_);
interpolator_ =
interpolationTypeNames.getOrDefault
(
"interpolationScheme",
SBMFCoeffs_,
interpolationType::SPLINE
);
return true;
}

18
src/meshTools/solidBodyMotionFunctions/tabulated6DoFMotion/tabulated6DoFMotion.H
View File

@ -61,7 +61,23 @@ class tabulated6DoFMotion
:
public solidBodyMotionFunction
{
// Private data
// Private Enumerations
//- Options for the interpolation algorithm
enum class interpolationType : char
{
SPLINE = 0, //!< "Spline interpolation method"
LINEAR //!< "Linear interpolation method"
};
//- Names for interpolationType
static const Enum<interpolationType> interpolationTypeNames;
// Private Data
//- Interpolation algorithm
interpolationType interpolator_;
//- Time data file name read from dictionary
fileName timeDataFileName_;