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Old   August 11, 2015, 10:55
Default Boundaries conditions issues
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Hello everyone,

I try to model a moving shock tube, with 3 cubes. On the left the high pressure side, on the right the low pressure side and the one in the center represents a kind of valve to link the two parts.

I merged the two faces of the valve with the faces of the other cubes.
As boundaries conditions, total pressure for the faces merged with the valve.

But I still don't have a pressure transmission between the cubes.
If anyone has an idea,

Attached Images
File Type: jpg moving1.jpg (13.1 KB, 3 views)
File Type: jpg moving2.jpg (13.1 KB, 3 views)
File Type: jpg velocity.jpg (21.3 KB, 3 views)
File Type: jpg pressure.jpg (23.2 KB, 3 views)
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