The program system DDDU for actual design of engineering structures composed of bar, diaphragm, beam, shell, etc. is introduced.
本文介绍了对由杆、膜、梁、板壳单元组成的工程结构可进行实际设计的程序系统DDDU。
A calculation model of bar system-cylindrical shell to be used for elastoplastic analysis of earthquake response of reinforced concrete tube structures is given in the thesis.
本文提出了一种用于筒体高层结构弹塑性地震反应分析的杆系——柱壳计算模型。
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