dynamic impedance造句
例句与造句
- A kind of impedance measurement is proposed with piezo - electric element which drives the beam and engender dynamic impedance data
摘要提出了利用压电陶瓷的阻抗测量法的概念，即用压电陶瓷作为驱动源产生动态阻抗信息。 - 5 . dynamic impedances of pile groups have been studied almost in a same assumption that rigid caps and soil under it do not touch each other in the present papers
5 .本论文在对群桩刚性承台动阻抗的求解过程中，首次考虑了承台底土与承台及群桩的动力相互作用。 - The thesis account for the dynamic impedance of pile groups without the aboved - mentioned assumption . so , that the soil under caps affects the caps and piles is discussed
目前对群桩动阻抗研究的文献，始终局限在刚性承台底与土脱离的假设，而没有考虑实际存在的承台底与土接触的情况。 - Vertical dynamic impedances of piles and rigid foundations of arbitrary shapes , vertical dynamic interactions between pile groups and raft foundations , optimization of pile groups are studied in the thesis . 1
论文围绕群桩竖向动阻抗、任意刚性基础的竖向动阻抗、群桩与承台板的竖向动力相互作用及群桩的动力优化布置进行了系统的研究。 - In this paper , a simplified model for dam - foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half - space
通过对拱坝地基的半无限空间动力体系的分析，提出了拱坝-地基动力相互作用问题的简化求解途径，并结合小湾拱坝进行了实际分析。 - It's difficult to find dynamic impedance in a sentence. 用dynamic impedance造句挺难的
- Abstract : in this paper , a simplified model for dam - foundation dynamic interaction analysis in time domain is proposed in terms of the studying of the characteristics of the dynamic impedance of canyon cut in elastic half - space
文摘:通过对拱坝地基的半无限空间动力体系的分析，提出了拱坝-地基动力相互作用问题的简化求解途径，并结合小湾拱坝进行了实际分析。 - The matlab language is used to calculate the pile - group - impedance , and the numerical calculation shows that the axial load only has effect on the numerical of the pile groups " dynamic impedance function , but has not effect on the frequency
利用matlab语言编程，实现群桩动力阻抗的计算，通过研究发现，轴向力仅仅影响群桩水平阻抗函数的数值，并不影响阻抗函数的频率。 - Finally , this paper performs a dynamic analysis on a large - scaled paper machine adopting the substructure method based on the dynamic impedance of the pile foundation gained by the finite element method and by the dynamic code method respectively
最后，本文利用子结构方法，利用本文有限元计算得到的桩基动力阻抗和《动规》方法求得的桩基阻抗，对一大型造纸机的桩基-机器系统进行了动力分析。 - In view of the system complexity , it is difficult for a number of previous methods to consider the embedded cap effects on the dynamic pile - soil interaction system . as a result , the dynamic impedance of a pile group with embedded cap was rarely reported
由于系统的复杂性，以往桩-土动力相互作用研究的很多方法难以考虑承台的埋置作用，因此有关埋置承台(低承台)群桩动力特性的研究报道很少。 - But the cases of two or more foundations were not presented because the interactions between foundations were not considered in all present papers . this thesis eliminates two faults named above by using the assumption of the plane strain and of dynamic foundation - soil interaction factors . the calculating method of dynamic impedances presented by the paper proved to be accurate and practical
过去许多学者通常将任意形状基础的外包规则几何形状代替原有的不规则基础形状，以达到确定动刚度和阻尼系数的目的，显然计算结果是近似的；本文将任意刚性基础划分为规则的小型基础，然后求小型基础之间的动力相互作用因子，最后得到任意刚性基础的动刚度和阻尼，而且这种方法也可考虑相邻基础产生的影响。 - The pile group and the surrounding soil are discretized into horizontal layers , which meets a plane strain assumption . by means of that the single pile dynamic impedance is developed with a transfer matrix method , the pile - to - pile dynamic interaction factor is derived . then , the dynamic impedances of rigidly - capped pile groups with due consideration to pile - soil - pile interaction for vertical oscillations are produced
本论文充分考虑土的成层性和沿深度有变化的特性，将土层沿深度离散形成一系列均质的土层，各土层视为满足平面应变假定，应用传递矩阵法推导出单桩在成层地基中的动力阻抗；并据此研究了在成层地基中的桩-桩动力相互作用因子，然后推导了群桩刚性承台竖向动力阻抗。 - Novak layer method is introduced to obtain the vertical dynamic impedances of both an end - bearing pile and a floating pile in a homogenous stratum . and the vertical dynamic impedances of single pile are analyzed in homogenous elastic soil , inhomogenous viscoelastic soil homogenous viscoelastic soil . at the same time , the factors to influence the impedances of single pile are examined
本论文采用novak薄层法，推导了在均质地基中，端承单桩和摩擦单桩的动阻抗；并全面分析和对比了均质弹性、均质粘弹性和非均质粘弹性地基模型中的单桩的动力阻抗，考察了各种因素对单桩动力阻抗的影响程度。 - Treating the soil as a two - phase mixture and considering the interactive influence of seepage and solid deformation , this paper analyzes the dynamic impedance of group piles in layered saturated porous media by indirect boundary element method and investigates the effects of pore fluid in saturated soils on dynamic impedance of piles
摘要将饱水软土地基视为两相介质，考虑水的渗流和土骨架变形的耦合作用，用间接边界元法分析层状饱水软土地基中横向受荷群桩动力阻抗，探讨饱和土中孔隙流体对饱和土中横向受荷群桩动力阻抗的影响。 - The paper investigates the parameters of single piles , pile groups and pile groups with embedded caps in the layered media and compares the dynamic impedance of pile foundations obtained from the finite element method with that from other simplified methods . the results in this paper are valuable to the pile groups with embedded cap
然后对层状介质中的单桩、群桩以及考虑承台作用的群桩进行参数研究，得到这些桩基的动力阻抗，并将有限元结果与若干简化方法得到的结果进行了比较。 - In the research and preparation procedure , it probes into electric field dynamic impedance variation rules , summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage , putting forward and realizing constant spark rate operation mode , in fiashover treatment adopting method of small descending amplitude , speedy picking up speed , and unlocking silicon controlled rectifier
在研制过程中探索了电场动态阻抗变化规律，总结出一套识别火花临界点的方法，解决了探测电场少火花的技术关键，实现了逼近击穿电压下少火花运行控制功能，提出和实现了恒定火花率运行方式，在闪络处理上采取下降幅度小、回升速度快、不封锁可控硅的方法。
更多例句： 下一页