聚能射流仿真中出現(xiàn)“Please define a vacuum AMMG for converting the failed ALE materials”問題，導(dǎo)致計算時間超長，目前已獲知的解決辦法是可以定義一個PART，使用*MAT_VACCUM材料，密度設(shè)置為遠(yuǎn)小于空氣的密度，并將其添加到*AMMG中。現(xiàn)在需要搞明白這個方法的原理和機(jī)制，有沒有大佬給小弟講講？
Please turn it off if set up by accident. *** Warning 10302 (KEY+302) CHECKING MATERIAL INPUT Part ID= 2 The default hourglass properties of the following ALE part are
Please turn it off if set up by accident. *** Warning 10302 (KEY+302) CHECKING MATERIAL INPUT Part ID= 2 The default hourglass properties of the following ALE part are
Please use the keyword below to avoid potential problem.
Please define anvacuum material and make it one of the ale multi-materialsso the failed material could be switched to vacuum.
--------------------------------------------------------------***WARNING: A material defined in user subroutine VUMAT must be defined aspurely elastic (using the initial elastic modulus)
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