机译:用于有限元极限分析的部分混合下界恒应力四面体单元
COWI AS, Parallelvej 2, Lyngby, Denmark|Tech Univ Denmark, Dept Civil Engn, Brovej 118, Lyngby, Denmark;
Tech Univ Denmark, Dept Civil Engn, Brovej 118, Lyngby, Denmark;
Finite Element Limit Analysis; Solid elements; Triaxial stress states; Convex optimization; Mixed lower bound element;