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中文摘要：
针对殿堂式古建中整体分析中考虑损伤的不足,定义了新的损伤变量,对殿堂式古建整体进行了考虑损伤的ANSYS分析.以一个典型的明代殿堂式结构——北京法兴寺为工程背景,建立了结构模型,并进行ANSYS有限元静力分析,得到了结构的最大位移和弯矩等;分析了木材损伤的种类;选择有效截面的减小率为损伤变量,采用随机法和一致缺陷模态法对截面损伤模型进行了有限元静力分析和对比结果分析;最后对这两种模型持续加载,得到了其破坏时的极限荷载.
英文摘要：
For latest explosions on the damage in the overall analysis,a new damage variable is introduced and the ANSYS method is used in the hall-style ancient wooden structure considering the damage factors. With Beijing Faxing Temple,a typical Ming Dynasty hall-style structure,as the engineering background,the overall finite element model is built for static analysis in order to get the maximum displacement and moment etc. Then the classification for the wood damage is made,and the decreasing value of the effective cross-section is chosen as damage variable. Through the finite element analysis to the damage of cross section models using the random method and consistent defect mode method,the comparison results have been given. At last,continue loading is made in two models to get the limit load when it cannot carry the load.
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