结构动力学课件—4numerical evalution of dynamic response.ppt
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1、,CHAPTER 7. Numerical Evaluation of Dynamic Responses,7.1 Time Stepping Methods,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,7.2 Methods Based on Interpolation of Excitation,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. N
2、umerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,7.3 Central Deference Method,CHAPTER 7. Numerical Evaluation of Dynamic Responses,Start the computat
3、ion:,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,7.4 Newmarks Method,CHAPTER 7. Numerical Evaluation of Dynamic Responses,Special Cases,CHAPTER 7. Numerical Evaluation of Dynamic Respon
4、ses,Non-iterative Formulation,Incremental quantities:,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,This equation is needed to obtain to start the computation,In Newmarks method, equilibrium condition may also be satisfied at step of (i+1).
5、 Such methods are called implicit methods.,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER 7. Numerical Evaluation of Dynamic Responses,7.5 Stability and Computational Error,CHAPTER 7. Numerical Evaluation of Dynamic Responses,CHAPTER
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