【摘要】 采用数值方法对地震作用下地表变形特征进行模拟,成为目前强地面运动预测的有效手段之一。文章提出了一种基于个人电脑和通用有限元软件ANSYS来计算强地震作用下的地表变形预测的方法,并根据拉萨市地区未来可能发生的地震波形对拉萨市地表变形进行预测。计算结果表明,该方法计算地震变形简单实用,计算模型在研究地震活动方面有一定优势并具有实用价值。更多还原

【Abstract】 Numerical method is one of the most powerful methods to simulate the ground motion in seismic engineering.An approach to predict the ground deflection under seismic load was presented,which was based on labtops and the package of finite element ANSYS.The ground deflection near active fault in Lasa city/zone in accordance with the estimated earthquake scenario was estimated.The results indicate that the method is simple and useful for earthquake disaster evaluation.更多还原