Department;
of;
Mathematics,;
Shanghai;
Jiaotong;
University,;
Shanghai;
200240,;
China;
Division;
of;
Computational;
Science,;
E-Institute;
of;
Shanghai;
Universities,;
Shanghai;
Normal;
University,China;
Institute;
of;
Computational;
Mathematics,;
Academy;
of;
Mathematics;
.and;
System;
Sciences,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
Department;
of;
Mathematics,;
Shanghai;
Jiaotong;
University,;
Shanghai;
200240,;
China;
elastic; multi-structures,; mathematical; models,; unique; solvability,; generalized; Koru's; inequality,equilibrium; equations.;