基于密度惩罚法提出了一种的连续体结构拓扑优化问题的优化准则算法。以结构的柔度最小化作为优化的目标函数,论述并建立线弹性结构的静力学拓扑优化设计的数学模型和设计变量显示的迭代格式。通过在桥梁概念设计中进行应用,得到了满意的优化结果,表明该算法具有较好的收敛性和应用价值。 Based on density penalty method, an optimization criterion algorithm for continuum structure topology optimization problem is proposed. Taking the minimization of structural flexibility as the objective function of optimization, the mathematic model of static topological optimization design of linear elastic structures and the iterative format of design variables are discussed and established. Through the application in the conceptual design of the bridge, satisfactory optimization results are obtained, which shows that the algorithm has better convergence and application value.