Hello,
I would like to calculate the two dimensional flow field w(x,y) inside x,y element of [0;L(x,y)] described by the attached PDE:
Does anyone have an idea how to solve this Problem?
Thanks in advance.
Solved! Go to Solution.
Hi holti,
Try to use the Mathcad15 operator PDEsolve() which, by the way, is quite complicated . Otherwise, you should create e rutine which uses the approximation of the given p. d. equation, by the finite differences method (after having studied the stability and the convergence of the method.).
Hi holti,
Try to use the Mathcad15 operator PDEsolve() which, by the way, is quite complicated . Otherwise, you should create e rutine which uses the approximation of the given p. d. equation, by the finite differences method (after having studied the stability and the convergence of the method.).
Hi MFranc,
thank you for your answer. I am using ptc mathcad prime 5.0.0.0. There is no PDEsolve Option, as I see in the function list.
Implicit FDM is an Option but a lot of work and sometimes unstable, unfortunately. I was hoping to find a good solver for that.
To examine solutions or attempts to solve partial differential equations, by community members, with pdesolve (), do a search as shown in the following figure:
(Remark:you should better define the upper extremes of the double integral )
Hello MFranc
I have finally accepted that I have to approach it by 2D FDM.
This is the preliminary result for 2 Dirichlet BC's and 2 Neumann BC's with a constant force:
Thank you!
Hi,
https://peer.asee.org/teaching-fluid-mechanics-using-mathcad.pdf
The above link may prove helpful.
Cheers
Terry