Ishida et al 2021a - Revision history

Scipediacontent at 18:47, 11 March 2021

2021-03-11T18:47:11Z

Scipediacontent: Scipediacontent moved page Draft Content 864254724 to Ishida et al 2021a

2021-03-11T16:20:46Z

Scipediacontent moved page Draft Content 864254724 to Ishida et al 2021a

Scipediacontent: Created page with "== Abstract == Recently, the demand for planetary exploration has been increasing steadily owing to the development of space transportation systems. A parafoil technology for..."

2021-03-11T16:20:43Z

Created page with "== Abstract == Recently, the demand for planetary exploration has been increasing steadily owing to the development of space transportation systems. A parafoil technology for..."

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== Abstract ==

Recently, the demand for planetary exploration has been increasing steadily owing to the development of space transportation systems. A parafoil technology for Mars exploration was developed by JAXA, in collaboration with several universities in Japan. This type of parafoil has no ram-air inlet because it is required for flights in low-density environments where dynamic pressure is insufficient. The parafoil primarily comprises flexible structures with optimal storage efficiencies, light weights, and high lift-drag ratios. Parafoil technology can provide space explorations with several benefits, for example, the wide-range scanning of the Martian surface and atmosphere. However, parafoils are deformed during planetary exploration flights owing to aerodynamic forces, which can trigger aerodynamic instability. Although instability has been reported in wind tunnel experiments and flight tests, the detailed mechanism of this possible instability has not been clarified. Therefore, it is necessary to elucidate the detailed instability mechanism by numerical analysis, as it cannot be realized experimentally. In addition, it is necessary to introduce

== Full document ==
<pdf>Media:Draft_Content_864254724p3999.pdf</pdf>

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 == Abstract ==
-Recently, the demand for planetary exploration has been increasing steadily owing to the development of space transportation systems. A parafoil technology for Mars exploration was developed by JAXA, in collaboration with several universities in Japan. This type of parafoil has no ram-air inlet because it is required for flights in low-density environments where dynamic pressure is insufficient. The parafoil primarily comprises flexible structures with optimal storage efficiencies, light weights, and high lift-drag ratios. Parafoil technology can provide space explorations with several benefits, for example, the wide-range scanning of the Martian surface and atmosphere. However, parafoils are deformed during planetary exploration flights owing to aerodynamic forces, which can trigger aerodynamic instability. Although instability has been reported in wind tunnel experiments and flight tests, the detailed mechanism of this possible instability has not been clarified. Therefore, it is necessary to elucidate the detailed instability mechanism by numerical analysis, as it cannot be realized experimentally. In addition, it is necessary to introduce
+Recently, the demand for planetary exploration has been increasing steadily owing to the development of space transportation systems. A parafoil technology for Mars exploration was developed by JAXA, in collaboration with several universities in Japan. This type of parafoil has no ram-air inlet because it is required for flights in low-density environments where dynamic pressure is insufficient. The parafoil primarily comprises flexible structures with optimal storage efficiencies, light weights, and high lift-drag ratios. Parafoil technology can provide space explorations with several benefits, for example, the wide-range scanning of the Martian surface and atmosphere. However, parafoils are deformed during planetary exploration flights owing to aerodynamic forces, which can trigger aerodynamic instability. Although instability has been reported in wind tunnel experiments and flight tests, the detailed mechanism of this possible instability has not been clarified. Therefore, it is necessary to elucidate the detailed instability mechanism by numerical analysis, as it cannot be realized experimentally. In addition, it is necessary to introduce fluid-structure interaction (FSI) analysis for flexible structures using a coupled method. The precise code interaction coupling environment (preCICE) coupling library is a powerful tool for the coupling analysis of fluid and structure solvers.
 == Full document ==
 <pdf>Media:Draft_Content_864254724p3999.pdf</pdf>

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