casing string design meaning in English

套管柱设计

By using finite element method , full - scale tests and the strain survey method , as for the crescent - shaped wear casing , this paper has discussed on mechanism of casing collapse and its influence on casing collapse . furthermore , computing method for both uniform wear and crescent - shaped wear situation was introduced , which can be used directly for casing string design
采用有限元分析、实物试验及实验应变测量方法，研究了套管产生不均匀磨损时的挤毁失效机理及其对套管挤毁性能的影响，确定了均匀磨损和不均匀磨损对套管挤毁性能的计算方法，研究结果可直接用于套管柱强度设计和校核中。