|November 19, 2008, 02:41||
I have a problem with convergence during my simulation. At the iteration of sth around 13000 it suddenly diverges (after converging smoothly over 5000 iterations). I am simulating a supersonic jet. This jet is released fom a pipe with the diameter of 0.014m into the envitonment with the M=3. The B.C. are as follows: inlet (the otlet of the tube):
P0=Ps(1+(gama-1)/2 * Much)^(...)
Ts=600K Outlet (ambient):
the ordinary condition of the ambient.
I have set my CFL even 0.01 but it always diverge (without relation to CFL or initialization).
any help will be appreciated,
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