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particle: Improved debugging for tracking on moving meshes

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This commit is contained in:
Will Bainbridge
2018-06-07 09:23:01 +01:00
parent 873d2c9c23
commit 99bdbfae15
1 changed files with 41 additions and 1 deletions
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42
src/lagrangian/basic/particle/particle.C
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@ -757,6 +757,16 @@ Foam::scalar Foam::particle::trackToMovingTri
FixedList<barycentricTensor, 3> T;
movingTetReverseTransform(fraction, centre, detA, T);
if (debug)
{
Pair<vector> o, b, v1, v2;
movingTetGeometry(fraction, o, b, v1, v2);
Info<< "Tet points o=" << o[0] << ", b=" << b[0]
<< ", v1=" << v1[0] << ", v2=" << v2[0] << endl
<< "Tet determinant = " << detA[0] << endl
<< "Start local coordinates = " << y0[0] << endl;
}
// Get the factor by which the displacement is increased
const scalar f = detA[0] >= 0 ? 1 : negativeSpaceDisplacementFactor;
@ -780,6 +790,16 @@ Foam::scalar Foam::particle::trackToMovingTri
hitEqn[i] = cubicEqn(hitEqnA[i], hitEqnB[i], hitEqnC[i], hitEqnD[i]);
}
if (debug)
{
for (label i = 0; i < 4; ++ i)
{
Info<< (i ? " " : "Hit equation ") << i << " = "
<< hitEqn[i] << endl;
}
Info<< " DetA equation = " << detA << endl;
}
// Calculate the hit fraction
label iH = -1;
scalar muH = std::isnormal(detA[0]) && detA[0] <= 0 ? vGreat : 1/detA[0];
@ -791,6 +811,22 @@ Foam::scalar Foam::particle::trackToMovingTri
{
if (mu.type(j) == roots::real && hitEqn[i].derivative(mu[j]) < 0)
{
if (debug)
{
const barycentric yH
(
hitEqn[0].value(mu[j]),
hitEqn[1].value(mu[j]),
hitEqn[2].value(mu[j]),
hitEqn[3].value(mu[j])
);
const scalar detAH = detAEqn.value(mu[j]);
Info<< "Hit on tet face " << i << " at local coordinate "
<< yH/detAH << ", " << mu[j]*detA[0]*100 << "% of the "
<< "way along the track" << endl;
}
if (0 <= mu[j] && mu[j] < muH)
{
iH = i;
@ -855,7 +891,11 @@ Foam::scalar Foam::particle::trackToMovingTri
Info<< "Track hit no tet faces" << endl;
}
Info<< "End local coordinates = " << yH << endl
<< "End global coordinates = " << position() << endl;
<< "End global coordinates = " << position() << endl
<< "Tracking displacement = " << position() - x0 << endl
<< muH*detA[0]*100 << "% of the step from " << stepFraction_
<< " to " << stepFraction_ + fraction << " completed" << endl
<< endl;
}
return iH != -1 ? 1 - muH*detA[0] : 0;