Minimum Cost Design of a Welded Stiffened Pulsating Vacuum Steam Sterilizer

摘要

Researches on how to save the design cost of pressure vessel are investigated here, in which the thickness of the vessel and the number of stiffeners are considered as the design variables. This paper presents an algorithm based on hierarchical architecture. It is convenient and feasible to apply stratification optimization method to solve the problem with discrete-continuum mixed variables. At the same time, considering the independence of sample point analysis and used parallel computing, the present software in this paper is of more efficiency and utility.