摘要
本文针对计算孔底岩石动态反应在计算方法上存在的困难,研究了一种新的有限元分析方法——广义函数变换法,导出了以M_k为核函数下的计算格式,并对其算法的稳定性进行了研究,该方法编程简单,计算量少,对孔底岩石动态反应这类复杂问题的分析特别适用,也可作为一般工程结构有限元分析的方法。
It is difficult to research the dynamic response of rock in hole bottom during drilling.
In this paper, a new finite element analysis method-general function transformation
method is presented. For the special core function,the computation formula is established and computation steadiness is researched. Through theoretical analysis and computational instance,the method has shown the advantage of higher accuracy,less operation than or-diary method. The method is also suitable for the dynamic analysis of engineering structure.
出处
《地球科学(中国地质大学学报)》
EI
CAS
CSCD
北大核心
1993年第1期109-119,共11页
Earth Science-Journal of China University of Geosciences
关键词
孔底
岩石
动态反应
有限元
function transformation, dynamic analysis, numerical damp, core function.