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Correction in Vel Grad computation,Change LocGrad to Glogal grad to e… #5

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Correction in Vel Grad computation,Change LocGrad to Glogal grad to e… #5

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39 changes: 23 additions & 16 deletions incompressible/fv1/navier_stokes_fv1.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1059,6 +1059,8 @@ ex_velocity_grad(MathMatrix<dim, dim> vValue[],

// storage for shape function at ip
MathVector<refDim> vLocGrad[numSH];
MathVector<refDim> locGrad;
MathVector<refDim> vGlobGrad;

// Reference Mapping
MathMatrix<dim, refDim> JTInv;
Expand All @@ -1069,30 +1071,35 @@ ex_velocity_grad(MathMatrix<dim, dim> vValue[],
{
// evaluate at shapes at ip
rTrialSpace.grads(vLocGrad, vLocIP[ip]);

// Loop dimensions for direction
for(int d1 = 0; d1 < dim; ++d1)

// compute global grad
mapping.jacobian_transposed_inverse(JTInv, vLocIP[ip]);
MatSet(vValue[ip],0.0);

for(size_t sh = 0; sh < numSH; ++sh)
{
// Loop dimensions for derivative
for(int d2 = 0; d2 <dim; ++d2)
MatVecMult(vGlobGrad, JTInv, vLocGrad[sh]);

// Loop dimensions for direction
for(int d1 = 0; d1 < dim; ++d1)
{

// compute grad at ip
vValue[ip](d1, d2) = 0.0;
for(size_t sh = 0; sh < numSH; ++sh) {
vValue[ip](d1, d2) += u(d1, sh)*vLocGrad[sh][d2];
for(int d2 = 0; d2 <dim; ++d2)
{
vValue[ip](d1, d2) += u(d1, sh)*vGlobGrad[d2];

if(bDeriv)
vvvDeriv[ip][d1][sh](d1,d2) = vLocGrad[sh][d2];

vvvDeriv[ip][d1][sh](d1,d2) = vGlobGrad[d2];
}
}
}
if(bDeriv)
{
for(size_t sh = 0; sh < numSH; ++sh)
if(bDeriv)
{

MatSet(vvvDeriv[ip][_P_][sh],0.0);

}


}
}
}
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