应用这些统计特征，可模拟出符合统计要求的基于非平稳时间历程的设计地震动。
Utilizing these statistical features, we can simulate the design ground motion founded on the theories of non-stationary time history.
本文讨论的是没有强震资料的地区在做地震动模拟时遇到的一些问题。
This paper discusses some problems encountered in simulating earthquake ground motions for a region where no strong motion data are available.
提出了用弹塑性波动有限元对爆炸地震动进行模拟分析，并与测试结果进行了比较，效果较好。
The better method of simulation calculation of the ground shock wave and comparison with the measured results is proposed lastly in the paper.
在振动台上进行拱坝动力模型试验时，设置人工阻尼边界，以模拟地震时地震动能量向无限远域地基逸散的地基幅射阻尼效应。
Artificial damping boundary is adopted in seismic model test of arch dam on shaking table to simulate the radiation damping effect due to energy dissipation in infinitive foundation.
随机法模拟地震动目前主要采用点源模型和有限断层模型两种方法。
At present, two main stochastic models, point-source model and finite-fault model, are adopted to simulate ground motions.
为了模拟近场强地震动，采用了基于有限断层模型的一种随机合成方法。
A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.
应用动接触理论模拟断层的滑移问题，用有限元方法计算浅层断层对场地地震动的影响。
Dynamic contact theory is applied to simulate the sliding of surface fault. Finite Element method is used to analyze the effect of surface fault on site ground motions.
基于此，本文应用嵌入式滑移模型和钢筋刚化模型模拟混凝土重力坝配筋前后的地震动力响应，据此评价坝面配筋措施的抗震效果。
The dynamic response of a concrete dam before and after strengthening has been simulated by the embedded slip model and the reinforcement stiffening model respectively.
分析结果可供多点地震动模拟时参考。
These results may be used to simulate the multi -point ground motion as reference.
因此，研究实际地震动时程强度包络函数的特性，对合理模拟地震动时程具有重要的意义。
So studying of the envelope function of the practical ground motion acceleration records is very important.
采用随频率变化的视波速代替随意给定的视波速，并在随机场的模拟中引入相位差谱来考虑地震动的频率含量非平稳性。
In this paper an apparent wave velocity varying with the frequency of earthquake wave was adopted rather than an arbitrary one.
本文结合“高烈度地震区隧道结构抗震减震耦合技术研究”项目，采用数值模拟方法，对穿越断层隧道地震动力响应规律进行了研究。
This paper is research on seismic dynamic response of tunnels across faults, and numerical modeling is applied to analyzing seismic dynamic response rules of tunnels across faults.
矢量和法能够较真实地模拟边坡在地震动过程中的动力特征和稳定性状态，为边坡动力稳定性分析提供一种切实可行的分析途径。
The seismic characteristics and dynamic stability of slope can be well simulated with VSAM, so as to provide a practical approach for dynamic stability analysis of slope.
矢量和法能够较真实地模拟边坡在地震动过程中的动力特征和稳定性状态，为边坡动力稳定性分析提供一种切实可行的分析途径。
The seismic characteristics and dynamic stability of slope can be well simulated with VSAM, so as to provide a practical approach for dynamic stability analysis of slope.
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