撞击载荷 meaning in Chinese
bump stroke
Examples
- According to the meso - scale structural characteristics of composite solid propellants ( csp ) , the damage modes in csp induced by mechanical impacts , and the conclusions of former research , crack friction is considered to be the key factor for csp hot - spots
本文根据固体推进剂细观结构特征及撞击载荷作用下的损伤破坏模式,结合相关理论分析结果,将裂纹摩擦作为推进剂热点形成的关键因素。 - During its storage , transportation , maintenance and service , the solid rocket motor ( srm ) may encounter many incidents such as being dropped onto the ground while being hoisted up , crashing when vehicle turns over during transportation , being struck heavily in takeoff or landing accident while being carried by airplane , impacting with launch platform or buildings when there is abnormality during launch of multiple - stage rocket . impact of great intensity takes place in such accidents , which will lead to srm ignition or explosion
固体火箭发动机在贮存、运输、维护及使用过程中可能遇到各种意外机械撞击激励,例如:吊装过程中跌落,运输过程中因交通事故发生翻覆碰撞,机载固体导弹挂飞时因载机发生起降事故导致高速冲撞,多级火箭发射初期因发射异常与发射架或地面建筑物发生碰撞等,固体火箭发动机将受到剧烈机械撞击载荷作用,导致其着火燃烧甚至爆炸。 - The research work of this dissertation aims at the study of srm safety under mechanical impact . based on mechanism analysis of hotspots and by use of dynamic finite element method , efforts are focused on the establishment of a general theory applied for srm safety analysis under mechanical impact
本文对机械撞击载荷作用下固体火箭发动机安全性进行研究,以热点机理分析为基础,以结构动力有限元方法为手段,将热点细观模型与发动机结构撞击变形分析有机结合,旨在探索机械撞击载荷作用下固体火箭发动机安全性分析研究的方法和途径。 - In summary the major research work in this thesis can be drawn as follows : 1 . the techncal data and research information from woridwide aviation history about bird striking to airframe have been collected and reviewed more carefully the evolutions of bird striking load models and fem numerical compatation methods to bird strike also have been sununarized . this informational research makes great help to position further thesis work scientifically 2
本文研究工作可归纳总结为以下三个方面： 1 、较全面整理综述了鸟体撞击飞机结构在国内外航空史上的技术资料以及鸟撞问题理论与工程研究的历史沿革，总结了撞击载荷研究模型、有限元数值计算方法的发展历程等，明确了本文研究工作的科学定位。 - In the areas of impact dynamics and high velocity impact dynamics , measuring impact load and pressure between two contacted interfaces is still a difficult work . polyvinylidene difluoride ( pvdf ) piezofilms are of interest to solve the above problem as potential gauge materials since they have quick response to dynamic load and available plasticity
在碰撞及高速碰撞动力学的研究中，界面与界面之间压力、撞击载荷随时间的变化等的测试一直是一个难题， pvdf压电特性的发现为解决这一难题提供了可能。