基于大陆地震活动特点建立的简化动力学模型——细胞自动机模型
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摘要
基于大陆地震活动的特点和已建立的由弹簧－ 滑块－ 阻尼器组成的平面网络非线性动力学模型研究结果，根据细胞自动机的原理，提出了对这类模型的一种简化模型——细胞自动机模型。其演化规则是根据大陆地震活动特点和从上述非线性模型中总结出来的，介质参数采用分维分布设定。将新建的模型应用于 ３０×４０ 单元组成的较大系统中，探讨了该模型显示的一些地震活动特点。
A simplified dynamic model——cell automat model is proposed according to the principle of cell automat based on the characteristics of continental seismicity and the research results of the non linear dynamic model which is constituted by a plane network system built by spring—slider—damper. Its evolutional rules are summed up according to the characteristics of continental seismicity and the above non linear model. The medium parameters are given by using fractal distribution. A newly built model with a larger system constituted by 30×40 cells is used in the paper, and some seismicity characteristics shown in the model are discussed.
A simplified dynamic model——cell automat model is proposed according to the principle of cell automat based on the characteristics of continental seismicity and the research results of the non linear dynamic model which is constituted by a plane network system built by spring—slider—damper. Its evolutional rules are summed up according to the characteristics of continental seismicity and the above non linear model. The medium parameters are given by using fractal distribution. A newly built model with a larger system constituted by 30×40 cells is used in the paper, and some seismicity characteristics shown in the model are discussed.
引文
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5 耿鲁明,石耀霖,张国民. 地震活动的简化模型研究. 地震,1993,13(1): 68～75
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8 李丽,张国民,石耀霖. 大陆地震的动力学模型研究. 地震,1997,17(2):133～141
9 Bak P, Tang C. Earthquakes as selforganized critical phenom ena. J G R, 1989, 92: 331～334
10 Ito K, M atsuzaki M . Earthquake as selforganized criticalphenom ena. J G R, 1990, 93: 6853～6 860
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12 Ben Zion Y, Rice J R. Earthquake Failure Sequences along a celluar fault zone in a threedim ensionalelastic solid containing asperity and nonasperity regions. J G R, 1993, 98( B8): 14109～14 131
2 M ogi K. Seism ic activity and earthquake prediction. In Proceedings of The Sym posium on Earthquake Prediction Research, 1977. 203～314
3 张国民,傅征祥. 华北强震的时间分布特点及其物理解释. 地球物理学报,1985, 28(8): 569～578
4 朱元清,石耀霖. 地震活动性研究中的非线性动力学模型. 地球物理学报,1991,34(1):20～31
5 耿鲁明,石耀霖,张国民. 地震活动的简化模型研究. 地震,1993,13(1): 68～75
6 张国民,耿鲁明,石耀霖. 中国大陆强震轮回活动的计算机模型研究. 中国地震,1993,9(1):20～32
7 耿鲁明,张国民,石耀霖. 地震孕育发生的场源关系初步研究. 中国地震,1994,9(4):310～319
8 李丽,张国民,石耀霖. 大陆地震的动力学模型研究. 地震,1997,17(2):133～141
9 Bak P, Tang C. Earthquakes as selforganized critical phenom ena. J G R, 1989, 92: 331～334
10 Ito K, M atsuzaki M . Earthquake as selforganized criticalphenom ena. J G R, 1990, 93: 6853～6 860
11 李东升,陆远忠. 地震活动性与动力学模型研究进展. 世界地震译丛,1992, (3):1～4
12 Ben Zion Y, Rice J R. Earthquake Failure Sequences along a celluar fault zone in a threedim ensionalelastic solid containing asperity and nonasperity regions. J G R, 1993, 98( B8): 14109～14 131
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