高压储气罐结构拓扑优化设计

拓扑优化是一种能在给定的空间进行结构优化的设计方法,以有限元结构分析与优化算法相结合为手段,对CNG高压储气罐的结构进行了拓扑优化设计,建立了CNG高压储气罐优化设计的有限元模型,确定了设计变量的数目,分析了各设计变量对优化结果的影响,给出了主要设计变量对优化结果的影响规律,根据拓扑优化的计算结果,考虑到制造与加工、生产的需要,确定了储气罐的最优设计参数选择,并分析了各优化结果的应用。计算结果表明该优化设计方法有效,计算结果为高压气罐的进一步设计提供了理论依据。

Topology Optimization Design of High Pressure Storage Tank Structure

Topology optimization is a structure optimization design method in given space.The topology optimization design for CNG high pressure storage tank was studied by means of the finite element structural analysis and optimization algorithm.The finite element model for optimization design was established,and the number of design variables is determined too,and then the impact of the design variables on the optimization results was analyzed and the influence rules of design variables factors on the optimization results are summarized.According to the calculation results the optimal design result for tank is determined considering the manufacturing and processing requirement.The calculation results show that the method is effective in optimization design and provide the basis for further design high pressure tank.