The seismic response characteristics of underground caverns are studied by employing dynamic time-history method.
采用动力时程分析法研究地下洞室地震响应特性。
Now the earthquake-proof checking calculation methods we used include equivalent base shear method, mode analysis method and time-history method.
目前进行结构抗震验算的方法有：底部剪力法，振型分解反应谱法和时程分析法。
Damping coefficient and damping exponent are chosen as two main parameters, whose sensitivity is discussed through non-linear dynamic time-history method.
利用非线性动力时程分析方法，对阻尼系数和阻尼指数进行了参数分析，并对阻尼器的布置位置进行了探讨。
It is found that these two methods both can be used in analysis of multi-support excitation, but the displacement time-history method is much more convenience.
分析发现，加速度输入模型和位移输入模型两种输入方法都可以应用于多点激励分析，但位移输入更方便。
Based on the reason, this paper USES time-history method to deal with the dynamic seismic analysis of SRC frame in consideration of the varying of shaped steel ratio.
基于这一点，本文考虑了型钢混凝土构件配钢率变化这一因素，采用时程分析法对型钢混凝土框架结构进行了地震响应分析。论文的主要工作有以下部分。
In order to understand the earthquake resistant safety of the dam, the aseismic strength of the dam is verified both by response spectral method and time-history method.
为了了解大坝的抗震安全度，用反应谱法和振型迭加法对坝体的抗震强度进行了校核。
Each time you change a file, class, or method, Eclipse records the change in its local history.
每次您更改文件、类或方法，Eclipse 都会在其本地历史记录中记录更改。
Naturally, he couldn't resist a comic hyperbole, adding, "It's the first time in history such a method has been discovered."
很自然的，他无法抵抗使用喜剧和夸张的手法，补充道：“这是人类历史上第一次发明这种方法。”
Research work of seismic analysis methods is focused on time history method and stochastic vibration method.
对于抗震分析方法的研究主要围绕时程分析法和随机振动分析法。
The elastic response of structure under frequent seismic actions and the elastoplastic response under infrequent seismic actions are calculated by the method of time-history.
采用时程分析法分析了该组合结构在多遇地震作用下的弹性地震响应和在罕遇地震作用下的弹塑性位移响应。
The text takes time as the thread mainly and adopts the method of comparing and analyzing etc to study the thought of Da Tong in China's history.
本文主要以时间为主线，采用对比分析、举例说明等方法研究中国历史上的大同思想。
Through using the method of literature, this paper analyzed the time characteristics and history background of modern sports thought in China.
采用文献资料调研法，对中国近代体育思想产生的历史背景和时代特征进行研究分析。
Precise time integration method is applied in short-leg shear wall, and a new scheme is put forward which is referred as Newmark-precision time history method.
在动力分析方法方面，本文将精细积分法应用到短肢剪力墙结构中，提出了纽马克—精细时程法。
The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.
在水电站机组丢弃负荷情况下，利用特征线法计算管道内的水击荷载时间历程。
As an example, the seismic responses of the Tsingma bridge obtained by the pseudo excitation method are compared with those obtained by the response spectrum method and the time history method.
以青马桥为例，将虚拟激励法的计算结果及效率与反应谱方法和时间历程法作了比较。
By using seismic response spectrum and time history analysis method, the structure dynamic characteristics and deformation properties of the main building and connected structure were analyzed.
本文采用地震反应谱分析和时程分析方法，分析了主体和高位连接体结构的动力特性及结构变形特点。
By using seismic response spectrum and time history analysis method, the structure dynamic characteristics and deformation properties of main - building and connected structure are analyzed.
本文采用地震反应谱分析和时程分析方法，分析了主体和高位连接体结构的动力特性，结构变形特点。
Compared with the simplified analysis method, the numerical simulation method can obtain detailed time history results of dynamics and damage deformation pictures of ship hull structure.
相比于简化解析法，数值仿真法可以得到详细的动力学时历结果以及船体结构损伤变形图。
Based on optimization theory, a method of kinetic loading time history reconstruction has been presented.
基于最优化理论提出了一种动态载荷时程的重构方法。
So this paper use the analysis and the synthetical method, and the method of the unity of history and logic to analyse the value of knowledge in the first time.
因此本文在系统总结已有学术成果的基础上，运用分析与综合、历史与逻辑相统一等方法第一次对知识的价值进行了较为全面的研究。
The method making initial acceleration time history in the. Normal method has been improved, and it is recommended to use real earthquake acceleration records for initial time history.
对常规方法构造初始加速度时程的方法作了改进，并建议直接使用真实地震加速度时程记录作为初始时程。
This model was used to investigate the out-of-phase vibrations and pounding effects of adjacent girders at expansion joints by the nonlinear time-history analysis method.
在此基础上，应用非线性时程方法研究了纵向地震作用下连续梁桥相邻联的非同向振动和伸缩缝处的碰撞效应。
Three additional displacement ratio calculating methods, i. e., the first mode method, elastic time history analysis method and calculating plane end displacement method, are suggested.
提出了三种计算结构位移比的补充方法，即第一振型法、弹性时程分析法和推算平面端部位移法。
An effective shock response spectrum (SRS) time-history waveform synthesis method was presented for simulating shock environment with electro-dynamic shakers.
为利用电动振动台进行模拟冲击环境试验，给出了一种时域冲击波形合成方法。
Computation of vibration frequency is carried out and seismic response is analyzed by use of response-spectrum method and time history method.
对各种模型进行了振动频率计算，并应用反应谱法和时程分析法计算了其地震反应。
Based on the accurate bridge buffeting analysis of time history, the time history of components is simulated and numerical example is presented to testify this method.
在桥梁抖振精细时程分析基础上，模拟出构件的应力时程，并以南京长江二桥为实例对公式进行了验证。
Objective to present an effective on line SRS time history waveform synthesis method for simulating pyrotechnic shock environment with electrodynamic shakers.
目的为电动振动台实现模拟爆炸冲击环境提供一种有效的在线时域合成方法。
Seismic responses of the hetero-column frame with bottom rectangle columns are analyzed by time history method and are compared with the normal hetero-column frame.
对底部矩形柱上部异形柱框架结构以及纯异形柱框架结构进行了时程地震反应分析。并对二者分析的结果进行了比较。
Seismic responses of the hetero-column frame with bottom rectangle columns are analyzed by time history method and are compared with the normal hetero-column frame.
对底部矩形柱上部异形柱框架结构以及纯异形柱框架结构进行了时程地震反应分析。并对二者分析的结果进行了比较。
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