Fast Simulation Method for Seismic Diagnosis of Extensive Distribution Networks

SUZUKI Nobuhisa; NAKAJIMA Yoshikazu; TSUNASAWA Yoji

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Fast Simulation Method for Seismic Diagnosis of Extensive Distribution Networks

机译：大型配电网地震诊断的快速仿真方法

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A newly-developed simulation program, NeEX, enables quick prediction of the nonlinear seismic response of buried distribution networks in gas and water supply systems, which are characterized by geometry in a complex linear form. As a key feature of NeEX, the novel algorithm which is used to simulate the seismic response of the network idealizes the network in segments. Idealization of networks in segments makes it possible to model networks using far fewer elements than in finite element analysis (FEA). While the accuracy of NeEX is on the same level as FEA, computational time is only 1/5 000-10 000 that with FEA. The high accuracy and high speed performance of NeEX in simulations enables seismic diagnosis of extensive buried distribution networks.

机译：新开发的仿真程序NeEX可快速预测燃气和供水系统中地下配电网的非线性地震响应，该系统的特征是复杂线性形式的几何形状。作为NeEX的一项关键功能，用于模拟网络地震响应的新颖算法可以使网络分段理想化。网段中的理想化使得使用有限元素分析（FEA）中的元素进行建模的网络成为可能。 NeEX的准确性与FEA处于同一水平，但计算时间仅为FEA的1/5 000-10 000。 NeEX在仿真中的高精度和高速性能可对广泛的地下配电网进行地震诊断。

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《JFE technical report》 |2006年第8期|p.80-84|共5页
作者
SUZUKI Nobuhisa; NAKAJIMA Yoshikazu; TSUNASAWA Yoji;
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Principal Researcher General Manager, JFE R&D;

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正文语种 eng
中图分类一般工业技术;
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Fast Simulation Method for Seismic Diagnosis of Extensive Distribution Networks

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