摘要
为了发展一种结构断裂分析的有效工程方法,本文推导并利用八结点等参奇异元结点位移表示的应力强度因子解。对机身加劲壁板进行了断裂分析,结果表明它能较好满足工程要求。
In order to develop an effective engineering method for fracture analysis of structures, a stress intensity factor solution represented only by the node displacements of a eight-node-isoparametric singular element has been derived and employed in this paper. A fracture analysis of stiffened fuselage panels, a kind of typical aircraft stiuptures, has been carried out. The results show that the engineering purpose can be satisfactorily fulfilled.
出处
《航空学报》
EI
CAS
CSCD
北大核心
1990年第4期B151-B156,共6页
Acta Aeronautica et Astronautica Sinica
关键词
壁板
机身
断裂分析
等参奇异元
isoparametric singular element, stiffened panels, stress intensity factor.
