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Different results between differents versions of COMSOL

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Old   September 27, 2011, 06:57
Default Different results between differents versions of COMSOL
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I am simulating the water flow in a pipe with a 2D axisymmetric model with COMSOL. I have a numerical result for the pressure obtained in COMSOL3.5. When I simulate the same problem with the same boundary conditions, mesh, initial values, solvers, etc. I have another value for the pressure that is approximately three times the value obtained with COMSOL3.5.
When I open the file of the COMSOL3.5 and run in COMSOL4.2 without change anything I have a result close to the result obtained when I simulate the problem with the file made in COMSOL4.2.

Someone can help me?
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