英语翻译We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures against certain earthquake actions.Nonlinear FE time history analysis is performed o

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英语翻译We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures against certain earthquake actions.Nonlinear FE time history analysis is performed o
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英语翻译We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures against certain earthquake actions.Nonlinear FE time history analysis is performed o
英语翻译
We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures against certain earthquake actions.Nonlinear FE time history analysis is performed on the structure to find the seismic responses,using the associated elastic-perfectly plastic material description.The concept of plastic complementary energy is introduced to structural dynamics to quantify the structure’s resistance against the seismic action throughout the time history and to indicate the critical moments when extreme extents of dynamic failure occur.Meanwhile the distributions of the unbalanced force at these critical moments reveal the dominant patterns of the dynamic failure.By the principle of minimum plastic complementary energy,the unbalanced force is just the counterforce of optimal reinforcement force to secure the self-unsupportable structure against the earthquake,which makes the seismic design more targeted and effective.Seismic design analysis is performed on Maji high arch dam-abutment structure.The results could to a large extent guide the seismic design,showing that several structural surfaces lying at the upper abutment are the most seismically vulnerable.This application indicates good applicability of this approach to large-scale projects.

英语翻译We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures against certain earthquake actions.Nonlinear FE time history analysis is performed o
我们提出了一个三维有限元的方法找到最优分布的地震安全的高拱坝加固力的结构,对于某些地震的行为.非线性有限元时程分析进行结构地震反应的影响,找到了利用相关的弹塑性材料的描述.塑料互补的概念引入到结构动力学能量,定量研究了结构的抵抗地震作用在整个时间历程,指出的关键时刻,当极端的范围动态故障发生.与此同时,平衡力分布的关键时刻,揭示了这些在主导模式的动态的失败.最小的原则,塑料互补能量不平衡力只是反力最优加固力,以确保在结构,使得对地震的抗震设计更有针对性、实效性.在分析进行抗震设计高拱坝结构.其结果可在很大程度上引导抗震设计,显示几个结构表面躺在上面的该桥的地震最脆弱的.这个应用程序显示该方法的适应性良好的大型项目.

bought present we a you 英语翻译We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure high arch dam-abutment structures against certain earthquake actions.Nonlinear FE time history analysis is performed o in the present 和at present 的区别in the present 和 at present 意思好像都差不多.但高中英语必修1顶尖第29页第2题：Forget about it.We live ____,not the past.A,in the present B.at present C.nowadays D.for present我是选B,但A 英语翻译Yesterday Is History,Tomorrow Is A Mistory,Today Is A Gift,That's Why We Call It The Present! I'd like find a present for my mother.We need health food to keep healthy错在哪儿? We can’t go abroad this year,so we will have to_____ ourselves with a holiday in Shanghai.A.treat B.present C.content D.conduct We have a nice present for you.（改为同义句） ( )( ) a nice present for you. we want to buy him a present 改为一般疑问句 We have a nice present for you.(改为同义句)? 翻译What shall we get her as a present? We bought you a present.的同义句, bought present we a you怎么才通顺 present 用法Persons ________the concert were famous musicians.A.were present at.B.who are present at.C.present in.D.present at. 英语翻译Unit 3Topic:ComputersWriting:Imaginative writingStructure:the Present Perfect Passive VoiceLet high-tech serve people muchWith the help of technology,we human race are now living a much happier life than before.Take the invention of the c 英语翻译We will recoup ourselves by the levy of a general rate;for private individuals cannot be expected to bear the burden of such a handsome present. 英语翻译sarah give A a little present to A.翻译 27.The( )at the meeting are all concerned about the ( )A people present,situation present B.people repesent,present situation C.present people,situation present D.present people,present situation28.Amerticans do much business( )lunch,but people here the number of spectators present at the final of the european championship___was well over eighty thousand.a whom we had expected b as we had expected c what we had expected d we had expected that