工程结构系统中地震损耗能量的分形混沌动力学模型  

FRACTAL AND CHAOTIC DYNAMIC MODELS OF SEISMIC DISSIPATED ENERGY IN AN ENERGY SYSTEM OF ENGINEERING STRUCTURES

作　　者：崔玉红[1] 聂永安[2] 严宗达[1] 吴国有[2] 

机构地区：[1]天津大学机械工程学院 [2]天津市地震局

出　　处：《天津大学学报》1999年第3期337-340,共4页Journal of Tianjin University(Science and Technology)

摘　　要：探讨工程结构能量系统中地震损耗能量活动强度Ｅｄ动力系统的普适性分形混沌动力学模型，深入研究实测动力学系统一般性的规律．采用实际反馈信息对理论推导模型进行修正的方法，分别建立了Ｅｄ动力系统的一阶差分动力学模型和二阶差分动力学模型，分析了两种模型演化过程中地震损耗能量系统行为的分形与混沌释放规律，简述了两种模型在实际工程结构中的具体应用。The Fractal or chaotic universal laws and common dynamic models used in engineering structures are discssed in this paper.The Universal dynamic models with fractal and chaotic characters of seismic dissipated energy were rebuilt correctly,and common laws analyzed from models were studied deeply.Theoretical models were revised as the result of the information fed back by the practical models,and two reasonable models were rebuilt:the first order diffenerce equation and second order difference eqution.The universal laws of the fractal and chaotic dissipated energy in E d dynamic system were mainly analyzed,then the practical applications in the actual engineering structures were developed briefly.The whole content might be valuable to the earthquake resistence theory and method,earthquake control and earthquake reduction.

关 键 词：工程结构 分形 混沌 动力学模型 地震损耗能量 

分 类 号：TU311.3[建筑科学—结构工程]