Dynamic Modeling in Design and Operation Safety Checking of Large Scale Pipeline Networks

1992 ◽  
Vol 25 (24) ◽  
pp. 183-188
Author(s):  
Jiří Záworkta ◽  
T. Jeníček ◽  
J. Králik ◽  
J. Štěrba ◽  
Z. Vostrý
Keyword(s):  
Dynamic Modeling ◽  
Large Scale ◽  
Pipeline Networks

Dynamic modeling and analysis of large-scale antenna structure

2008 ◽  
Author(s):  
Long Shen ◽  
Zhenbang Gong ◽  
Liang Liu ◽  
Sheng Luo ◽  
Shiliang Yang
Keyword(s):  
Dynamic Modeling ◽  
Large Scale ◽  
Antenna Structure ◽  
Modeling And Analysis

Dynamic Modeling and Experimental Validating of Large Semi-Rigid Structures

2014 ◽  
Vol 30 (2) ◽  
pp. 193-198
Author(s):  
D.-X. Li ◽  
W. Liu ◽  
X.-Y. Sun
Keyword(s):  
Dynamic Model ◽  
Dynamic Modeling ◽  
Large Scale ◽  
Complex Structure ◽  
Low Frequency ◽  
Space Structure ◽  
Solar Array ◽  
Large Power ◽  
Stiffness Properties ◽  
Structural Weakness

ABSTRACTA new type of large semi-rigid solar array structure with a new structural concept of rigid-flexible combination has developed for space application. Due to the good features of large scale and lightweight, such structure can well satisfy to the large power requirements of spacecraft and thus has drawn increasing attention recently. However, its structural weakness of inherently flexibility makes low frequency vibrations happen much easier. It is highly required to obtain an accurate dynamic model for predicting the dynamic characteristics of this kind of semi-rigid space structure. Because this structure is composed of different components that have quite different stiffness properties respectively, it is very difficult to build up an accurate dynamic model of this complex structure. In this paper, a novel analytical dynamic model is developed for solving this problem. To validate the correctness of the proposed model, experiment studies are conducted. By comparing the simulation results with experimental results, it can be concluded that this dynamic modeling method presented in the paper is credible. The present study is significant for the structural construction and application of this special structure.

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