barycentric2D.C
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1/*---------------------------------------------------------------------------*\
2 ========= |
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4 \\ / O peration |
5 \\ / A nd | www.openfoam.com
6 \\/ M anipulation |
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9 Copyright (C) 2020 OpenCFD Ltd.
10-------------------------------------------------------------------------------
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28
29#include "barycentric2D.H"
30#include "Random.H"
31
32// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
33
35(
36 Foam::scalar s,
37 Foam::scalar t
38)
39{
40 // Transform the random point in the unit square to a random point in the
41 // unit tri by reflecting across the diagonal
42
43 if (s + t > 1)
44 {
45 s = 1 - s;
46 t = 1 - t;
47 }
48
49 return Foam::barycentric2D(1 - s - t, s, t);
50}
51
52
53// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
54
56{
57 const scalar s(rndGen.sample01<scalar>());
58 const scalar t(rndGen.sample01<scalar>());
59
60 return barycentric2D01Impl(s, t);
61}
62
63
64// ************************************************************************* //
static Foam::barycentric2D barycentric2D01Impl(Foam::scalar s, Foam::scalar t)
Definition: barycentric2D.C:35
Templated 2D Barycentric derived from VectorSpace. Has 3 components, one of which is redundant.
Definition: Barycentric2D.H:57
Random number generator.
Definition: Random.H:60
gmvFile<< "tracers "<< particles.size()<< nl;for(const passiveParticle &p :particles){ gmvFile<< p.position().x()<< " ";}gmvFile<< nl;for(const passiveParticle &p :particles){ gmvFile<< p.position().y()<< " ";}gmvFile<< nl;for(const passiveParticle &p :particles){ gmvFile<< p.position().z()<< " ";}gmvFile<< nl;forAll(lagrangianScalarNames, i){ word name=lagrangianScalarNames[i];IOField< scalar > s(IOobject(name, runTime.timeName(), cloud::prefix, mesh, IOobject::MUST_READ, IOobject::NO_WRITE))
barycentric2D barycentric2D01(Random &rndGen)
Generate a random barycentric coordinate within the unit triangle.
Definition: barycentric2D.C:55
Barycentric2D< scalar > barycentric2D
A scalar version of the templated Barycentric2D.
Definition: barycentric2D.H:52
Random rndGen
Definition: createFields.H:23