先进复合材料制造过程仿真技术研究现状

Review of Advanced Composite Manufacturing Process Simulation Technology

复合材料的广泛应用是航空航天领域的重要趋势,优异的材料特性使其需求日益增长。然而,随着新材料的不断涌现及构件结构形式复杂化,带来制造成本不断提升,阻碍了复合材料的应用发展进程。目前,利用制造过程仿真技术提升复合材料制造水平并降低制造成本是行之有效的重要途径。梳理了复合材料结构功能设计仿真技术,从力学性能、几何结构、特殊功能3个方面分析了仿真设计技术的发展动态;总结了材料成型过程中的力热特性及成型变形预测控制仿真方法;分析了材料去除过程中的切削界面力热状态、材料损伤过程及不同加工工艺带来的损伤差异。最后,从复合材料本构模型及损伤理论、复合材料成型过程影响因素、性能参数数据库、陶瓷基复合材料成型仿真、复合材料表面质量评价标准、制造过程仿真计算效率等方面给出了建议。

The wide application of composite materials is an important trend in the aerospace field,and its excellent material properties make its demand increasing.However,with the continuous emergence of new materials and the complexity of structural forms of components,manufacturing costs continue to increase,hindering the application and development of composite materials.At present,the use of manufacturing process simulation technology to improve the level of composite material manufacturing and reduce manufacturing costs is an effective and important way.The structural function design simulation technology of composite materials was reviewed,and the development dynamics of simulation design technology were analyzed from three aspects of mechanical properties,geometric structure and special functions.The mechanical and thermal characteristics of materials in the molding process and the simulation method of molding deformation prediction control were summarized.The mechanical and thermal state of the cutting interface,the damage process of the material and the difference of the damage caused by different processing techniques were analyzed.Finally,suggestions were given from the aspects of composite constitutive model and damage theory,influence factors of composite forming process,performance parameter database,molding simulation of ceramic matrix composite,evaluation criteria of composite surface quality,and computational efficiency of manufacturing process simulation.