根据模型试验和二维、三维非线性分析结果，提出了新的拱坝孔口结构配筋公式。
A new formula for the calculation of reinforcing bars of the orifice is proposed, based on experimental and two and three dimensional analysis.
建立了负重轮的三种三维有限元力学模型，在考虑三重非线性的情况下，用ANSYS有限元分析软件计算了负重轮的应力应变分布。
Under the condition of three kinds of nonlinearity the stress and strain distribution of the road wheel is calculated with finite element analysis software ANSYS.
因此对大型结构分析软件ANSYS的三维非线性计算功能进行了深入研究，在此基础上完成了基于非线性有限单元法的高拱坝坝肩稳定计算分析。
Basic theory of nonlinear FEM analysis and its realization in ANSYS were studied. Accomplish stability analysis of high arch dam abutment based on nonlinear FEM analysis.
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