摘要
振动疲劳问题在风力发电、陆地运输、海洋工程及航空航天等领域均受到技术人员的重视。作为振动疲劳寿命分析的核心参数,材料随机S-N曲线至关重要。提出采用数据库模式管理材料随机S-N曲线的方案,并基于LabVIEW平台编程实现。首先,对多种基于LabVIEW平台数据库调用方法进行介绍。然后,创新的提出一种小型数据库应用技术。最后,对基于此技术开发的一套随机S-N曲线数据库程序进行了介绍。经过测试验证,基于LabVIEW平台的小型数据库技术能够实现数据库管理要求,同时开发的随机S-N曲线数据库软件可以实现材料参数数据库管理。
Recently,vibration fatigue problems have drawn technicians＇ attention dramatically in areas of wind power generation,land transportation,marine engineering and aeronautics and astronautics.As the fundamental parameter in random vibration fatigue analysis,random S-N curves have a significant effect on structural fatigue life prediction.This paper presents a database method of collecting these curves based on the LabVIEW platform.Firstly,several traditional methods which are frequently used in database connection in LabVIEW are presented.Secondly,a new mini-database technology is introduced.Lastly,a database program of material random S-N curves is shown in this paper.After testing and validating,the mini-database method is able to function as usual database management.Furthermore,the database program of material random S-N curves works successfully in material parameters collection.
出处
《国外电子测量技术》
2016年第5期70-73,78,共5页
Foreign Electronic Measurement Technology
