航天器力学环境分析与条件设计研究进展

航天器力学环境条件是航天器及其部组件设计和地面试验验证的主要依据,直接影响着航天器的总体设计水平。随着我国航天事业的飞速发展,对航天器及其有效载荷的设计提出了越来越高的要求,而力学环境分析与条件设计技术已经成为制约我国航天器荷载比提高的瓶颈技术。本文重点针对航天器力学环境分析与条件设计技术所涉及的航天器力学环境预示理论方法,高精度有限元建模与模型修正技术以及航天器力学环境条件设计技术三个方面国内外研究进展进行了回顾,特别是对近五年来我国航天工业部门在航天器力学环境分析与条件设计领域取得的成就进行了综合评述。在此基础上,结合我国航天工程的实际需求,分析指出了今后在航天器力学环境分析与条件设计领域的主要研究方向。

Review and Assessment of Spacecraft Mechanical Environment Analysis and Specification Determination

Specification of spacecraft mechanical environment is the essential input for design and testing of spacecraft and its payloads,which could directly affect the level of the spacecraft design.Along with the rapid development of space industry,higher payload capability is demanded for modern spacecraft due to the new missions,whereas the mechanical environment analysis and specification determination have been the bottlenecks for payload ratio increase of spacecraft in China.In this paper,a research review of the mechanical environment prediction methods,finite element modeling & model updating and specification determination methods,which are the key techniques related to the mechanical environment analysis,is presented.In the end,according to the requirement of the domestic space engineering,the main research directions in the spacecraft mechanical environment analysis and specification determination are emphasized.