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- The Multiple Way Ground Motion Time History of a Large Dam Site In Xinjiang Kuitun River Reservoir 新疆奎屯河水库某大坝坝址多途径地震动时程
- The effect of the super-randomness on spectral property and time history of strong ground motion 超随机特性对地震动谱特性和时间历程的影响
- The time histories of ground responses and wave motions are presented, and it was found that significant wave propagations are generated when Mach number of moving load approaches or exceeds 1.0. 通过数值计算给出了地基表面振动的动力时程和三维波动场的分布,发现当移动荷载的马赫数接近或大于1.;0时地基中产生明显的波动传播现象。
- The Richter Scale is a measure of ground motion. 里氏震级是测量地动的单位。
- Aseismic design for important structure demands time history input of seismic waves, which usually can be obtained by earthquake ground motion simulation. 摘要地震动时程输入是结构抗震设计发展的必然要求,工程地震动模拟则是确定输入时程的主要方法。
- A Time Domain Model of Ground Motion Bas ed on Equivalent of Linear Structure Res ponse. 基于线性结构响应等效的地震动时域模型。
- Seismograms are recordings of ground motion as a function of time and are the basic data which seismologists use to study the waves generated by earthquakes. 震动图是地震仪对大地运动的时间序列记录,同时也是科学家研究地震波的第一手资料。
- The 4th Runge-Kutta method is adopted to solve the time history of the ship motions in waves to supply the necessary motion data to the simulation system. 三是在此虚拟系统中,除了船舶运动的逼真性外,并呈现范围内的三维波浪模拟真实性。
- For concrete material,a normal expansion theory was proposed by which some deceleration about time history of the projectile can be analytically given. 通过分析,针对混凝土材料,提出了可给出弹体减速度时间历程解析解的法向膨胀理论。
- Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
- This error results in using the ground motion uncertainty (spatial characteristic) to extrapolate occurrence of ground motion (temporal characteristic) or the ergodic assumption. 然而它在计算中却存在着一个错误:把强地面运动衰减关系(一个函数)的条件超越概率等同于强地面运动误差(一个变量)的超越概率。
- The time history of pulse wind velocity and wind pressure on the structure has been simulation based on Davenport wind speed power spectrum and Shinozuka theory. 方法采用Daven port风速谱并根据Shinozuka理论;应用简谐波叠加法分别模拟了脉动风速、脉动风压和脉动风荷载时程曲线.
- The study shows that the peak acceleration of ground motion is significantly influenced by the incident angle.The PGA is unnecessarily the largest for the vertical incidence. 研究表明:入射角对地表的加速度峰值有重要影响,未必在波垂直入射时最大,可能有多个峰值;
- The novel unrolls the history of a certain woman. 那本小说揭露了某个女子的过去。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- CAI Yuan-qiang,LING Dao-sheng,ZHOU Di-yong.Inverse calculational analysis of ground motion in nonlinear layered soil[J].Journal of Vibration Engineering,2000,13(3):426-432. [6]蔡袁强;凌道盛;周迪永;等.;非线性分层地面运动反演分析[J]
- The forth order Runge-Kutta method, an explicit method, is chosen as the integration technique of computer simulation and the time history of the hybrid-d... 用四阶龙格一库塔方法对混合驱动压力机机电系统进行了求解和动力学仿真,并对仿真结果进行了分析。
- She's written the definitive history of Vienna. 她写下了权威性的维也纳历史。
- The expedition covered a lot of ground. 探险队到过很多地方。
- Looking back on the development history of ground design, we can find that the earliest ground had the characteristics of Monolithic Ground. 回顾地面设计的发展史,我们会发现最早的地面就具有整体地面的特征。