通过非线性振动中常用的里兹-伽辽金法，推出了两端铰支压杆大挠度问题的一个新近似公式，计算结果表明具有较高的精度。
A new approximate formula for the large deflection problem of compression bar with two ends are simply supported is obtained, by the use of Ritz-Galerkin method.
对一端固定一端自由功能梯度压杆的后屈曲问题进行了分析。
Post-buckling equilibrium paths of functionally graded material(FGM)rectangular bar with one end fixed and another end free are studied.
研究内容主要包括：端部、内部中心锚固区的有限元分析，并对已有的拉压杆模型提出修正方法。
The STM models were proposed for design of anchorage zone. The distribution of interior stresses in anchorage zones was analysed by finite element method (FEM).
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