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Forum: Main CFD Forum

May 5, 2020, 12:01

Replies: 6

Flat Plate Boundary Layer

Views: 774

Posted By FMDenaro

The problem is solved in an open domain, you fix...

The problem is solved in an open domain, you fix the initial condition at x=0 and the BCs at y=0 and y->+Inf. You have to proceed from a position x to a position x+dx by integrating along the normal...

Forum: Main CFD Forum

May 5, 2020, 11:28

Replies: 6

Flat Plate Boundary Layer

Views: 774

Posted By FMDenaro

if you have u(i,j) standing for u(x,y), you...

if you have u(i,j) standing for u(x,y), you compute u(i+1,j) basing on the values at i. Thus, x is the time-like direction.
Be aware of the numerical stability constraint for the parabolic equation.

Forum: Main CFD Forum

May 5, 2020, 11:08

Replies: 6

Flat Plate Boundary Layer

Views: 774

Posted By FMDenaro

The Prandtl equations are parabolic, you need to...

The Prandtl equations are parabolic, you need to integrate along x in a time-like fashion

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