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本文应用有限元法研究了不规则的孤突地形对地震动及震害的影响。文中提出了“双向剪切变形”有限元模型,使三维问题简化为二维问题,计算工作量大为减少。对典型震害实例进行了具体计算,其结果与实际震害分布相当一致。
In this paper, the application of finite element method to study the impact of irregular orbital topography on earthquake and earthquake damage. In this paper, the finite element model of “two-way shear deformation” is proposed, which simplifies the three-dimensional problem to a two-dimensional problem and the computational workload is greatly reduced. Specific examples of typical earthquake damage were calculated, and the results are quite consistent with the actual distribution of earthquake damage.