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Panel method predictions of added mass for flexible airship

Published online by Cambridge University Press:  27 January 2016

M. Zhang ,
X. Wang  and
D. Duan
M. Zhang*
Affiliation:
School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai, China
X. Wang
Affiliation:
School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai, China
D. Duan
Affiliation:
School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai, China
*
wangxiaoliang@sjtu.edu.cn
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Abstract

Because of the huge volume and inflated membrane structure of stratosphere airship, the deformation of stratosphere airship is very sensitive to the change of environment conditions such as wind, temperature and so on. The influence of deformation on manipulation and control is very remarkable. So, during the course of building flight dynamic model of the flexible airship, the added-mass matrix of deformation is very important part in the state equations of dynamic models. For obtaining the accurate added-mass matrix of different flexible airship, we proposed an approach that can calculate the added-mass matrix of a flexible airship with arbitrary geometry shape by the panel method. Through the comparison of results of computation and theory for ellipsoid of revolution and the flexible Skyship-500 airship, the proposed method can calculate the added-mass matrix for arbitrary geometric shape very accurately.

Type
Research Article
Information
The Aeronautical Journal , Volume 117 , Issue 1191 , May 2013 , pp. 519 - 531
Copyright
Copyright © Royal Aeronautical Society 2013 

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