Abstract
The airship placed in the stratosphere flow field is a flexible body with low rigidity and therefore can be taken as an elastic membrane structure. The distribution of the peripheral flow field around the membrane structure is closely related to its shape, which is essentially a fluid-structure interaction problem. Accordingly, to investigate the coupling of the peripheral flow field of the membrane structure and its deformation in the stratosphere, the numerical simulation program to this problem was developed. The iteration method was introduced, and the three-dimensional flow around the airship was studied numerically by means of SIMPLE method based on the Finite Volume Method. The nonlinear finite element method was employed to investigate the large deflection of the elastic membrane structure. Afterwards, the validation of the computation was shown. And then, a comparison of the pressure distribution and the changes of flow parameters between the rigid model and the aeroelastic model of the large airship was provided.
Project supported by the Natural Science Foundation of Fujian Province (Grant No. 2009J01010).
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Jian-Min, L., Zhen-Xiong, C. (2011). Numerical Simulation Program of an Elastic Membrane Considering the Fluid-Structure Interaction. In: Liu, C., Chang, J., Yang, A. (eds) Information Computing and Applications. ICICA 2011. Communications in Computer and Information Science, vol 243. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27503-6_88
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DOI: https://doi.org/10.1007/978-3-642-27503-6_88
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