力学与实践 ›› 1999, Vol. 21 ›› Issue (4): 47-49.DOI: 10.6052/1000-0879-1999-134

• 应用研究 • 上一篇    下一篇

变截面(变刚度)纵横弯曲梁

唐雪平   

  1. 北京中国石油勘探开发科学研究院 100083
  • 收稿日期:2006-07-20 修回日期:1900-01-01 出版日期:1999-08-10 发布日期:1999-08-10

  • Received:2006-07-20 Revised:1900-01-01 Online:1999-08-10 Published:1999-08-10

摘要: 分析了受纵横弯曲载荷联合作用的变截面(变刚度)梁柱问题,并在钻柱力学分析中得到应用.

关键词: 纵横弯曲梁, 变截面, 钻柱力学

Abstract: This paper analyses the beam of variable cross-section (variable stiffness) loaded by axial compressive forces together with transverse ones, which is applied in drill strings.

Key words: Timoshenko beam, variable crosssection (variable stiffness), drill string