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摘要:
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敏感性分析是目前结构分析计算中解决多参数辩识问题的主要方法。文中以能较好模拟土体非线性力学行为的Duncan-ChangE-B模型为基础,通过算例分析认为Duncan模型参数对位移的敏感性除了有几何效应外,还受到荷载效应的影响和自身取值效应的影响。
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The analyses on sensitivity of model's parameters has been recognized as a main method in the analysis of structure constructionIn this paper,the DuncanChang EB model was used to stimulate the nonlinear mechanical behavior of soilApplication in an example show that the on sensitivity Duncan model's parameters is influenced not only by position,but also by load and self values
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参考文献:
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[1] 孙均,汪炳槛编著.地下结构有限元法解析[M].上海:同济大学出版社,1988.
[2] 钱家欢,殷宗泽主编.土工原理与计算[M].第二版,北京:中国水利水电出版社,1996.
[3] 陈斌,施斌,柯明勇.邓肯模型参数敏感性分析[J].华北水利电力学院学报,2002,23(4).
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