Then according to the two-step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by Finite Element program; 并根据抗震设防两阶段原则,结合桥梁地震振动理论的反应谱法,运用有限元程序对收集和组合的实桥进行了大量减震设计的计算和分析;
Applying the theory of vibration, this research presents a vibration response model of ball bearing with outer race waviness, analysis the effect of radial gap between the ball and the inner and the outer race to ball bearing vibration character by Matlab calculation program. 利用振动理论建立了外圈有波纹度的轴承振动响应模型。通过Matlab程序计算,分析了轴承间隙对轴承振动的影响特性。
The inelastic dynamic response analysis program for frame-shear wall structures developed by the authors is introduced firstly, in which the multi-vertical-line-element model was adopted for shear walls and the refined single-component model was used for beams and columns in frame. 介绍了自编的框架-剪力墙非弹性动力反应分析程序,其中剪力墙采用多竖杆模型,框架梁、柱采用修正的单分量模型;
Based on the hysteretic model of the MSD set up in the second part, the seismic response analysis program for the system incorporating MSD is compiled by employing Wilson-@ method and story drift model. 简述:本文耗能减振体系的计算模型,并依据此模型和Wilson-θ法编制了软钢屈服型耗能减振体系的非线性时程反应分析程序。
Our research group has completed a series of nonlinear dynamic response analysis of various typical multi-storey and multi-span frameworks in various intensity-category by this program. 在本论文工作之前,本学科点已利用该程序完成了处于不同设防烈度区的各类典型多层多跨框架结构的系列非线性动力反应分析工作。
In recent years, analyses of series typical structures with several ground motion inputs have been carried out through nonlinear dynamic response analysis program in order to verify some seismic design methods and measures in foreign codes. 近年来,国外已有若干利用非线性动力反应分析程序对典型结构系列进行多条地震波输入下的分析,以便验证规范抗震设计方法和措施有效性的先例。
Thus, the SC network frequency response and sensitivity can be found by using available Standard analogue circuit analysis program. 于是,SC网络的频率响应和灵敏度可以调用现有的标准模拟电路分析程序算出,而无须编制专用程序,与已有方法比较,本方法具有计算速度快的优点。
At last, this paper makes response spectra analysis and time analysis of a concrete beam bridge using the NBA program. 最后,本论文使用NBA程序对一座实桥进行了地震反应的反应谱分析和动力时程分析。
Based on a simplified body model, it introduces the basic theory of frequency response, and have a frequency response analysis with MSC/ NASTRAN program on the model, two factors which may influence the vibration are discussed simply. 本文介绍了频率响应分析方法的基本理论,并用结构分析程序MSC/NASTRAN对一筒化车身模型行进了频率响应分析,对影响车身振动的几个因素进行了初步的探讨。
Non-linear dynamic response finite element analysis program ( DYNA3D) has been used to analyze the bird impact resistance of inorganic and organic laminated arc windshield. 利用非线性动力响应有限元分析程序(DYNA3D),对无机/有机复合圆弧风挡的设计方案的抗鸟撞能力进行了数值模拟分析。
Some steel-concrete composite frame structure specimens with different design parameter were calculated using the elastoplastic seismic response time history analysis program. 利用本文计算程序对不同设计参数的钢-混凝土全组合框架结构进行弹塑性地震动力响应计算,提出组合框架合理的抗震设计建议。
Seismic time-history response behavior analysis of long-span bridges are analyze by using the modules developed with the program ANSYS. 用有限元程序ANSYS建立了有限元模型,并模地震反应.基于ANSYS的大跨桥梁抗震分析计算模块对桥梁结构进行地震加速度时程响应分析。
Based on the ANSYS software, the bridge wind-resistance analysis program named WIND RESPONSE with ANSYS interface is introduced. It contains the module of time domain buffeting analysis, which makes bridge wind-resistance analysis more practical. 4. 基于ANSYS软件,编制了具有ANSYS界面风格的桥梁抗风分析程序WINDRESPONSE,包括抖振时域分析模块,使得桥梁抗风计算实用化。
Based on the response time history obtained by random nonlinear dynamic analysis, considering the probabilities of short term cases in the wave scatter diagram, a self-developed special program is employed to calculate the long term wave fatigue. 在得到隔水管响应时间历程的基础上,考虑波浪散点图中所有短期工况的概率,采用自行开发的专用程序实现深水钻井隔水管波致长期疲劳损伤计算。
The basic principle and compute flow of one-dimensional seismic response analysis program of equivalent linearization which is used worldwide at present are introduced; the advantages and disadvantages of this method are also simply analyzed. 3. 介绍了目前国内地震工程界中常用的一维等效线性化土层地震反应分析程序的基本原理及计算流程,并简要的分析了这一方法的优缺点。
Based on the analysis model and method of energy dissipating structure with fluid viscous damper, The equation of motion of an eccentric building is established and the dynamic elastoplastic seismic response analysis program is made. 在粘滞阻尼器减震结构的分析模型和分析方法基础上,建立结构平扭振动的微分方程,编制动力弹塑性时程反应分析程序。
Based on the above work, a rather systemic 3-D finite element program for wind-induced response analysis program is developed for long span bridges. 在此基础上,本文编制和调试了一个较为系统和完整的大跨度桥梁抗风响应分析的三维有限元程序,在程序的分析功能和可拓展性方面都有了较大改进和加强。
The method can be divided into the global topology analysis and the local topology analysis according to the scope of the topology analysis. It accelerates the speed of response of the topology analysis program to the change of distribution network structure. 该方法根据拓扑分析范围的不同可分为全局拓扑分析和局部拓扑分析,加快了拓扑分析程序对配电网结构发生变化的反应速度。
Tunnel lining structure mechanical response under earthquake time history analysis to verify the stability of the optimization program lining structure under seismic action also indicates the important role of anchor support system set up in the earthquake. 再对地震作用下隧洞衬砌结构的力学响应进行时程分析,验证优化方案中衬砌结构在地震作用下的稳定性,同时说明支护体系中锚杆的设置在抗震中的重要作用。