Asymptotic Analyses of Dynamic Response of Hyperbolic Cooling Tower Shells with Ring-Stiffeners——Perturbation Finite Element Solution

Li Long-yuan; Loo Wen-da

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Article Navigation > Applied Mathematics and Mechanics > 1987 > 8(7): 603-610

Li Long-yuan, Loo Wen-da. Asymptotic Analyses of Dynamic Response of Hyperbolic Cooling Tower Shells with Ring-Stiffeners——Perturbation Finite Element Solution[J]. Applied Mathematics and Mechanics, 1987, 8(7): 603-610.

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Asymptotic Analyses of Dynamic Response of Hyperbolic Cooling Tower Shells with Ring-Stiffeners——Perturbation Finite Element Solution

Shanghai Institute of Appl. Math, and Mech., Shanghai

Received Date: 1986-06-17
Publish Date: 1987-07-15

Abstract

Abstract

In this paper, a new analysing method called perturbational finite element is suggested, by means of which we calculate the dynamic behaviour and response to turbulent wind of hyperbolic cooling tower shell with ring-stiffeners. The results are compared with those of finite element numerical method and show that the method has the advantages of clear physical idea and convenience of calculation and the accuracy of results is assured.

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References(14)

References

[1]	Li Long-yuan and Lu Wen-da,Analyses of free vibration and response to turbulent wind of hyperbolic cooling towers by ring-stiffeners,IASS,Japan,9(1986).
[2]	李龙元、卢文达,加肋钢筋混凝土双曲冷却塔的动力分析和计算,振动与冲击(待发表).
[3]	李龙元、卢文达,轴对称壳体在具有多局部非轴对称缺陷时的自由振动分析—摄动有限元解,第一次全世界计算力学大会,美国(1986.9).
[4]	卢文达、李龙元,非均匀弹性双曲冷却塔的动力特性及阵风响应的分析计算,全国第二届计算力学会议,上海(1986.8).
[5]	Lu Wen-da,The finiteelement solution and model tests of free vibration ofhyperbolic cooling towers,Natural Draught Cooling Towers,IASS-RUB,Germany(1984).
[6]	李龙元,加筋圆柱壳自由振动的摄动解,应用数学和力学,8,3(1987),
[7]	277-286.
[8]	Jacobi,C.G.J.,Crelle's Journal fur die Reine und Angewandte Mathematik,bd 30,s51.(1946).
[9]	胡海昌,多自由度结构的固有振动,北京大学力学系讲义(1984).
[10]	张文、侯志坤,大型广义特征值问题的一个新解法,全国第一届计算力学会议文集(1980).
[11]	Lu Wen-da,Wind loading of hyperbolic cooling towers without meridionalribs,IASS-RUB,Germany(1984).
[12]	卢文达等,双曲冷却塔的阵风响应,电机工程学报,1 (1982).
[13]	Pinazzi,F.,The effect of structure variations on the dynamic behaviour of a system,Comput.& Struct.,4(1985).
[14]	Eckstein,U.,Improvement of the structural behaviour of cooling towers by ring-stiffeners,IASS-RUB,Germany(1984).