How to set the initial pressure in air when using ALE to simulate the air.

Ansys / LS-DYNA Help Forum

Last Post by Douodou 2 years ago

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Douodou

Topic starter

April 26, 2022 3:24 pm

(@douodou)

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hi all,

i am using ALE to simulate the air, and adopting *EOS_LINEAR_POLYNOMIAL. i know that the initial pressure is set by E0 and V0 in *EOS_LINEAR_POLYNOMIAL. By reading the manual, i think the initial pressure is calculated by the following equation, but the result is wrong.