园柱壳的裂纹问题,特别是在压力容器中,显得非常重要。大量事实说明,压力容器的破坏,主要是裂纹的扩展所导致的。因此,研究这一问题具有十分重要的实际意义,在以往的工作中,大都利用数值法求解园柱壳微分方程。本文是直接用微分方程法求解,其结果与Folias的完全一致。 The problem of cracking of cylindrical shell, especially in pressure vessels, is very important. A large number of facts show that the destruction of pressure vessels, mainly caused by the expansion of the crack. Therefore, to study this issue has very important practical significance. In the past work, most of them used numerical method to solve the differential equations of cylindrical shell. This article is solved directly by the differential equation method, the result is exactly the same with Folias.