strange things happen with slip boundary -- CFD Online Discussion Forums

May 16, 2007, 23:47	strange things happen with slip boundary	#1
lei wang Guest Posts: n/a	Hi everyone: I model 2d microflow with slip boundary for single-phrase. Slip boundary given as follow: u_wall=B*du_wall/dy When i choose B=68nm,the slip velocity u_wall matches the analytic solution.However when i choose B=680nm,the slip velocity u_wall is twice as large as the analytic solution. Until now,I haven't found the reason?Could you please help me ? Best wishes! lei wang

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