摘要
根据降低应力集中的理论和技术措施,在现有常用的炮尾闩室圆角的基础上,提出了十几种圆角形式。采用有限元、边界元和光弹性应力分析法,对圆角处的应力分布情况进行了详细的研究,其中较好而实用的圆角可使圆角处的最大切向应力降低20%左右。
Based on different theories and techniques for the reduction of stress concentration, and on the basis of forms of breech ring fillets in general use, over a dozen of fillet forms are proposed. The distribution of stress in the fillet of a breech ring is studied in detail, making use of methods of finite element, boundary element and photoelasticity. It is seen that with the better forms of breech ring fillets a reduction in the maximum tensile stress of about 20 percent is attainable.
出处
《兵工学报》
EI
CAS
CSCD
北大核心
1993年第4期11-16,共6页
Acta Armamentarii
关键词
应力集中
有限元
炮身
火炮
breech ring, stress concentration, photoelasticity, finite element, boundary element
