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Old   March 13, 2014, 09:39
Unhappy Help with combustion simulation
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Michael Hilton
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Hi everyone,

I'm fairly new to using Ansys software especially fluent and i have to simulate a combustion process in a piston and find the pressure against crank angle graphs. I have gotten to the point where i have the dynamic mesh set up and moving.

i have been trying to run the simulation with no combustion just the gases inside to get the pressure curve as the piston expands and compresses but i keep getting constant pressure regardless of the piston movement.

Is there anyone who may be able to help me understand where the problem is?

Thanks
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