SuperLatticePhysCorrDrag3D

[yx19971028]

Hello everyone,
I want to research the flow past the square cylinder based on code in the example named cylinder3d.But the lift coefficient(Cl) is obviously lower than the experimental value.
The Cl I got is about 0.004 while the experimental data is about 0.4.I want to ask how to improve the accuracy of Cl.
The code is as follows：
IndicatorCuboid3D<T> squarecircle ( extend, origin );
superGeometry.rename( 1,2,squarecircle );
sLattice.defineDynamics(superGeometry, 2, &boundaryDynamics);
setWallFunctionBoundary<T,DESCRIPTOR>(sLattice, superGeometry, 2, converter, wallFunctionParam);
SuperLatticePhysCorrDrag3D<T,DESCRIPTOR> drag( sLattice, superGeometry, 2, converter );
T dragA[3];
int input1[3] = {};
drag( dragA, input1 );
clout << “; drag=” << dragA[0] << “; lift=” << dragA[1] <<endl;
Thank you.
Xu Yang

[mathias]

Dear Xu,

this is a complex question which require to know many details which cannot be anwered within the forum. It requires a personal consulting which we offer in the froamwork of a common project.

Best
Mathias

[yx19971028]

Dear Mathias,
Thank you for your apply.
Best
Xu Yang.

[Author]

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