于Fluent分析的节能车外形设计与优化

Design and optimization of energy efficient car shell based on Fluent analysis

针对节能车外壳进行设计使其达到减小空气阻力的效果。通过ANSYS ICEM对模型划分网格,利用ANSYS Fluent对模型进行仿真计算,得出所建模型的空气动力学相关参数,分析其优缺点,并对模型进行优化和仿真计算,分析优化前后的性能差异,优化后的方案较原始方案减阻能力有了较大提升,对后续节能车车壳的改进设计具有指导意义。

The design of energy-saving car shell can reduce the air resistance.Through ANSYS ICEM mesh of the model,using ANSYS Fluent software for the simulation calculation of the model,it is concluded that the model of aerodynamic parameters,analyzes the advantages and disadvantages,and optimize the model and the simulation calculation and analysis of the differences before and after optimization,the optimized plan more primitive drag reduction ability has been increased greatly,and the subsequent energy-saving car shell has guiding significance for improving design.