As a structural analysis program system, JIGFEX has been integrated into the system of structure optimization DDDU.
JIGFEX作为结构分析程序系统，已接入结构优化系统DDDU。
Applying the theory of structural finite element method, the corresponding structural analysis program system is developed.
结合结构有限元的理论，研制了相应的结构分析程序系统。
These methods have been implemented on the macro-computers as the postprocessing system of structural analysis program DDJ-W.
它们作为组合结构分析程序DDJ-W的后处理系统已在微机上实现。
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