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本文以非线性的一维有限元方法去解经典弹性稳定性理论中的大挠度的压杆稳定问题。运用这种方法获得了与经典理论极为相近的解答,因而证明这样的方法是可行的,并且使得其它的一些一维大挠问题也变成可解的了。
In this paper, the non-linear one-dimensional finite element method is used to solve the problem of large deflection bar with stability under the classical theory of elastic stability. By using this method we get solutions that are very close to those of classical theory, thus proving that such a method is feasible and that some other one-dimensional large-torsional problems become solvable.