摘要
用带预测有效约束的全解析敏度分析的方法,对燃烧室壳体构件进行优化设计,能更好地改善燃烧室壳体的应力集中状况和防止热变形损伤,提高其承载能力。在燃烧室壳体构件优化设计中,建立带预测有效约束的全解析敏度分析技术,并将该技术与通用的形状优化设计算法相结合,对燃烧室壳体中的某一平面应力下的构件进行形状优化设计,降低了内孔最大切向应力值,最后获得满意的结果。
By adopting a fully analytic sensitivity analysis method with a predictable effective restraint,an optimization design was conducted of the structural members of a combustion chamber shell in order to better improve the stress concentration condition of the shell in question,prevent any damage from thermal distortion and enhance its load bearing capacity.During the optimization design of the shell members,a fully analytic sensitivity analysis technology,incorporating the above restraint,was established.By a combination of the above technology with a general-purpose shape optimization design algorithm,a shape optimization design of the structural members under a plane stress in the combustion chamber shell was conducted,thus reducing the maximal shear stress of the inner holes and finally achieving a satisfactory result.
出处
《热能动力工程》
EI
CAS
CSCD
北大核心
2008年第1期60-63,107,共4页
Journal of Engineering for Thermal Energy and Power
关键词
燃烧室壳体
有效约束
边界元
优化设计
combustion chamber shell,effective restraint,boundary element,optimization design
