Hello,
I am evaluating op
Hello,
I am evaluating openFoam for an industrial use. I am calculating the flow at engine outlet, between the turbine outlet and the silencer. For that purpose, I have selected the sonicTurbFoam solver. With the following initial and boundary conditions: Initial conditions -Inside flow: velocity 0, pressure 1 bar, temperature 643°K, k=1000, epsilon=25000 Boundary conditions - Inlet velocities 80m/s, inlet k 1000, inlet epsilon 25000, inlet temperature 643°K. The cfl number is, of course, less than 1. And after 6 days on a bi-opteron 64 bits, the case has reached 0.5 second. All informations are very well calculated. I compared the wave effects with the results of a 1D tool and the results are very closed. But I would like to increase the time step to reduce the calculation time. What do you suggest me ? Is it a good idea to change the time scheme to backward ? Is it necessary to select an other solver ? Thank you Frederic |
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