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基于云化物元模型的供水管网抗震服务功能评价

Keywords: 云模型,物元理论,供水管网,抗震功能,服务功能

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Abstract:

以震后供水管网的节点供水压力和流量作为供水管网抗震服务功能综合评价的指标体系,针对供水管网抗震服务功能评价中存在不确定性的特点,全面考虑节点压力和流量抗震服务功能分级边界信息的随机性和模糊性,结合云模型的不确定推理特性和可拓学的物元理论兼具定性、定量分析的优点,提出了基于云化物元耦合模型的供水管网抗震服务功能评价方法.该方法通过云模型表达物元的事物特征值,建立标准云物元与计算特征云物元之间的关联函数,采用模糊等级特征值实现对供水管网抗震服务功能等级的判别.算例分析验证了该方法的优越性和有效性.

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