摘要
为确定Ａ形井架的屈曲荷载及各参数对其的灵敏度，采用了稳定分析中的随机有限元方法，对单元多个结构参数随机摄动时的一、二阶灵敏度进行计算。最后，给出了该井架随机屈曲荷载的具体表达式。
, In order to calculate the buckling load of ‘A’ form derrick and the sensitivities of its elements' many structural parameters, in this paper, the one order and two order sensitivities of many parameters against buckling load are calculated when the several structural parameters of the elements are changed randomly using the random perturbation finite element method of buckling analysis. Finally, the random structural buckling load's concrete expressive formula of the derrick are given out.
出处
《工业建筑》
CSCD
北大核心
1997年第10期29-31,共3页
Industrial Construction
关键词
井架
随机摄动
稳定分析
钻井
, ‘A’ form derrick , random perturbation , buckling analysis
