演习开始于虚拟苏门答腊海岸外发生了地震，引发了整个印度洋海面长达12小时的海啸巨浪。
It started with a mock earthquake off the coast of Sumatra, triggering a virtual tsunami wave that crossed the Indian Ocean in 12 hours.
应用虚拟激励法与伽辽金法相结合，分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo-excitation algorithm with Galerkin algorithm.
本文概括了DVPN虚拟专网技术的特色，介绍运用DVPN技术建设北京市区县地震信息网络的技术方案及配置过程。
Based on the earthquake information network in districts and counties of Beijing which is built by the DVPN technology, the paper introduces the technical proposal and configuration process.
同时还总结出了虚拟现实系统三维地震数据解释的流程。
Meanwhile, the paper also summarized the flow of 3-d seismic data interpretation by virtual reality system.
通过震陷有限元计算，在虚拟环境中模拟在不同的地震震级下，得出天然地基或某高层建筑物的地基的震陷等，并对其试验结果进行分析。
The seismic settlement of the crude or the structure foundation can be gained by the calculation of the FEM in different earthquake levels, and then the result of the calculation can be analyzed.
采用双过滤白噪声功率谱模型描述地震动，并用林家浩虚拟激励法进行随机响应分析。
The seismic ground motion is assumed to be double filtered white noise, and pseudo excitation approach is employed to calculate the random response.
采用双过滤白噪声功率谱模型描述地震动，并用林家浩虚拟激励法进行随机响应分析。
The seismic ground motion is assumed to be double filtered white noise, and pseudo excitation approach is employed to calculate the random response.
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