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Old   November 12, 1999, 21:40
Default boundary
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hello, I have a question .when I calculate the velocity field of particles in the gas-particles phases adoping the slippage-diffusion model,I do not know how to deal with the inlet boundary conditions. On the entrance , the particles enter the pipe occupying small area of cross section. I want to know how to give the initial velocity conditions of the other area that have no particles. to set u(1)=0 or u(1)=u(2) or u(1)=u0=const? thanks first.
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