本文用半解析半离散的方法，对具有椭球封头的法兰连接圆筒压力容器进行了分析。
In the present paper the analysis of cylindrical pressure vessel with ellipsoidal closures and bolted flanged connections is performed by using analytical as well as discrete method.
在此框架下，我们得到了半离散与全离散情形的最佳逼近阶的估计。
Under this frame the optimal error estimates are obtained for semidisecrcte and fully discrete states.
给出了谱配置方法空间半离散格式的稳定性和误差估计。
The stability and convergence of spectral collocation method spatial semi-discretization are given.
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