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工程力学  2013 

输电杆塔结构体系主要失效模式识别的计算程序研发

DOI: 10.6052/j.issn.1000-4750.2012.05.0328

Keywords: 输电杆塔结构体系,失效模式,阶段临界强度分枝-约界法,MATLAB,ANSYS

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Abstract:

对大型复杂结构进行体系可靠性分析时,识别结构体系的失效模式是体系可靠性分析的首要核心工作。针对大型复杂结构体系失效模式识别的难点问题,利用ANSYS软件高效的可视化建模及结构有限元分析求解的功能和MATLAB软件强大的科学计算及易与其他程序接口的特点,基于搜寻结构体系主要失效模式的阶段临界强度分枝——约界法的基本原理,编制了适用于输电杆塔结构体系主要失效模式识别的计算程序,并将其成功应用于某实际工程输电杆塔结构体系主要失效模式的搜寻,结果表明,该程序可以准确高效地进行输电杆塔结构体系主要失效模式的识别,为进行输电杆塔结构体系的可靠度分析奠定了基础。

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