单层球面网壳地震荷载下破坏模式的细胞自动机预测
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摘要
本文首先应用ANSYS有限元分析软件,对网壳模型进行了时程响应分析,确定了网壳的破坏模式。而后,提出了针对单层球面网壳的状态函数,建立了细胞自动机数字化模式,提出了网壳节点区域的匹配准则,以一个网壳模型的破坏模式为基础,预测其它网壳的破坏模式,并与ANSYS计算结果进行比较,结果表明细胞自动机技术在预测网壳破坏模式上的可行性。
In this paper,the application of finite element analysis software ANSYS,the shell model of the network response time analysis of network failure mode of the shell.Secondly,single-layer reticulated shell for a state function,the establishment of digital cellular automata model,the network node shell region matching criteria to a net destruction of shell model based on the model of other network prediction of failure mode of the shell and ANSYS calculated results prove that cellular automata network technology in the prediction model of shell damage viability.
In this paper,the application of finite element analysis software ANSYS,the shell model of the network response time analysis of network failure mode of the shell.Secondly,single-layer reticulated shell for a state function,the establishment of digital cellular automata model,the network node shell region matching criteria to a net destruction of shell model based on the model of other network prediction of failure mode of the shell and ANSYS calculated results prove that cellular automata network technology in the prediction model of shell damage viability.
引文
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[2]Ulam S.Random processes and transformations[J].Proceedings of the International Congress of Mathematics,1952,2:264- 275.
[3]Neumann J.Theory of Self-Reproducing Automata[M].University of Illinois Press,1996.
[4]Wolfram S.Cellular Automata and Complexity:Collected Papers[M].Addison-Wekey Publishing Company,1994.
[5]Wolfram S.A New Kind of Science[M].Wolfram Media,2002.
[6]Preston K,Duff M J B.Modern Cellular Automata Theory and Applications[M].New York Plenum Press,1994.
[7]Lowekamp B B,Watson L T,Cramer M S.The cellular automata paradigm for the parallel solution of heat transfer problems[J].Parallel Algorithms and Applications,1996,9(1&2):119 - 130.
[8]Wahle J,Neubert L,Esser J,Schreckenberg M.A cellular automaton traffic flow model for online simulation of traffics[J].Parallel Computing,2001,27(5):719 - 735.
[9]Girdal Z,Tatting B.Cellular automata for design of truss structures with linear and nonlinear response[C].The 41~(st) AIAA/ASME/ ASCE/ASH Structures,Structural Dynamics and Materials Conference & Exhibit,2000,1580 - 2000.
[10]王真理,李幼铭.细胞自动机地震波模拟的并行化算法[J].地球物理学报,1999,42(3):410-415.
[11]潘登.砌体结构智能技术实验环境的探讨[D].哈尔滨:哈尔滨工业大学,2007.
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