基于数字孪生的火箭结构设计制造与验证技术研究

Study of Digital Twin Based Launch Vehicle Structural Design Manufacture and Validation Technology

对数字孪生技术和运载火箭结构设计制造与验证的数字化技术现状进行介绍,在此基础上对基于数字孪生的火箭结构设计制造与验证技术开展论证,主要包括基于数字孪生的结构设计技术、基于数字孪生的结构制造仿真技术和基于数字孪生的结构试验仿真与控制技术3个方面。与现有技术相比,基于数字孪生的火箭结构设计制造与验证技术增加了面向过程的虚拟映射、模型驱动和数字管理等关键要素,加强了模型和数据对结构研制过程的预测、监测和控制作用,能够进一步提高设计效率,加快试验周期,提升结构的精细化和轻量化水平。

This work introduces the digital twin and launch vehicle structural digital design manufacture and validation technologies,then presents the digital twin based launch vehicle structural design manufacture and validation technology,which consists of digital twin based structural design,structural manufacturing simulation and structural experimental simulation/domination.Compared with the structural digital design manufacture and validation,the virtual-mapping,model-driven and data-management are included in the digital twin based structural design manufacture and validation,reinforcing the effects of model and data in structural monitoring,forecasting and dominating,which further increases the design efficiency,accelerates experimental progress,promotes the structural refinement and lightweight.