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Error in Lax-wendroff with two phase flow

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Old   November 21, 2007, 01:48
Default Error in Lax-wendroff with two phase flow
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k.baker
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Hi I am tried to solve the Navier-Stokes equations for two phase stratified flow within a pipe in 1D after eliminating the pressure drop in each phase with using suitable model for turbulence, I am apply the Lax-wonderoff scheme & FCT algorithm to solve the system of equations I used fortran 90 for programming . After few seconds of the run an error happened during the calculations and the program stops completely I am sure there is no wrong on the equations because I depend on a known thesis in two-phase flow modeling when I derived it and I need to ask if there is anybody work in this subject may can assist me with solving this problem or can tell me any suggestions knowing that I work with it for 4 months ago but without success so I am in greet need to help with this.

Thanks a lot K.Baker

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Old   November 24, 2007, 05:22
Default Re: Error in Lax-wendroff with two phase flow
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k.baker
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hello I got negative values with the lax-wonderoff and FCT scheme no body can help me with this ? I sent my request from three days ago and there is no answer? please please try answer me why this happen with my program?

REGARDS k.baker

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