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支承弹簧对输液曲管固有频率和极限流速的影响
Alternative TitleINFLUENCE OF SUPPORT SPRING ON NATURAL FREQUENCY AND LIMIT VELOCITY OF CURVED PIPE CONVEYING FLUID
张敦福; 康英永; 牛海燕
Source Publication机械强度
2010-12-15
Volume32Issue:6Pages:884-889
ISSN1001-9669
Abstract基于Hamilton变分原理,导出具有弹性支撑的1/4圆形输液曲管的变分—积分方程.采用多个函数组合的方法,选取满足边界条件的试函数,利用Galerkin直接法求出系统的固有频率和极限流速的近似解析公式.数值结果表明,弹簧对固有频率和极限流速都有显著影响.根据数值结果,用最小二乘法给出固有频率和极限流速与弹簧刚度的关系公式
Keyword支承弹簧 输液曲管 Galerkin直接法 固有频率 极限流速
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Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金(50979052) ; 山东省自然科学基金(2009ZRB02223)资助~~
CSCD IDCSCD:4065006
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44066
Collection国家微重力实验室
Corresponding Author张敦福
Recommended Citation
GB/T 7714
张敦福,康英永,牛海燕. 支承弹簧对输液曲管固有频率和极限流速的影响[J]. 机械强度,2010,32(6):884-889.
APA 张敦福,康英永,&牛海燕.(2010).支承弹簧对输液曲管固有频率和极限流速的影响.机械强度,32(6),884-889.
MLA 张敦福,et al."支承弹簧对输液曲管固有频率和极限流速的影响".机械强度 32.6(2010):884-889.
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