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December 23, 2008, 04:51
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No pressure increase with compressing piston
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Hi all, I need some help concerning an engine simulation. I have made a simulation from a DI engine, where a slice of a piston has to compress the in-cylinder air. With an event file I've created the moving mesh by removing cell layers. When I use the 'mesh preview run', everything works well and the piston is 'moving'. But when I do a 'normal' run, the air above the piston does not show any pressure or temperature increase.
Does it has something to do with the boundary conditions? The walls of the slice are defined as Wall boundary conds, as well as the piston surface and the cylinder head. I hope someone can help! Erik |
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