Using finite element analysis method, three-dimensional calculation is conducted for force summing on rod in high-inclination well of Liaohe tidal zone oilfield.
应用有限元法对辽河滩海油田大斜度定向井抽油杆柱受力进行了三维计算。
The research approach: documents and materials, three-dimensional force-testing, planar shooting on spot, film analysis, datum statistics and expert consultation.
研究方法：文献资料法、三维测力台测试法、摄像机现场拍摄法、录像解析法、数理统计法以及专家咨询法。
The stability analysis method of the two-dimensional residual down-sliding force analysis method is used in the analysis and calculation of the three-dimensional slope stability.
本文将二维余推力稳定性分析方法推广到三维边坡稳定性分析计算中。
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