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Forum: Fidelity CFD

May 23, 2011, 08:33

Replies: 4

Secondary inlet

Views: 2,362

Posted By Martin_D

When I run an unsteady SST simulation with a...

When I run an unsteady SST simulation with a timestep of 0.006 the solver does the job but when I lower the timestep to 0.001 or 0.0001 seconds then the solver calculates a negative pressure and...

Forum: Fidelity CFD

May 16, 2011, 03:39

Replies: 4

Secondary inlet

Views: 2,362

Posted By Martin_D

My initial solution was a steady Spalart-Almaras...

My initial solution was a steady Spalart-Almaras solution and then a SST steady solution.
I have tried changing the physical timestep, at first it was 0.001 and when I changed it at 0.005 it...

Forum: Fidelity CFD

May 9, 2011, 05:39

Replies: 4

Secondary inlet

Views: 2,362

Posted By Martin_D

After changing the boundary conditions of the...

After changing the boundary conditions of the main inlet and outlet to EXTERNAL (secondary inlet stay the same- mass flow imposed) I got a converged solution for a steady simulation but I'm still not...

Forum: Fidelity CFD

May 6, 2011, 01:28

Replies: 4

Secondary inlet

Views: 2,362

Posted By Martin_D

Secondary inlet

Grettings,
I'm simulating a flow over an airfoil that has a secondary inlet so the flow from the secondary inlet exits at the trailing edge of the airfoil. The problem is that when airflow is coming...

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