The incremental motion equations of a M DOF structural system excitated by seismic waves are formulated based on FEM, and a seismic response model for cable stayed bridges are proposed.
基于有限单元法，推导出多自由度结构体系在地震作用下的增量形式的运动方程，建立了大跨度斜拉桥的地震激励模型。
The problem that must be solved in an Oil Seismic Exploration Simulation System is how to input incomplete stratum information and generate 3d stratum model according to the information.
如何方便地在计算机上输入有限的地层信息，并且根据这些信息生成三维地层模型，是石油地震勘探模拟系统所要解决的问题。
The theoretical model and actual calculated results show that the seismic coal thickness assistant interpretation system can be used to interpret coal thickness and has better geological results.
理论模型和实际资料试算结果表明：利用该系统进行煤层厚度解释，得到了较好的地质效果。
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