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Warning: fclose() expects parameter 1 to be resource, bool given in /www/wwwroot/www.wendadaohang.com/inc/function.php on line 2475 我用ABAQUS 仿真了类似冲压件的一个模型,最后卸载的时候为什么原来达到屈服应力的单元的变形也消失了呢? - www问答网