| Zhang Jiuxing (张久星),Xu Haojun,Zhang Dengcheng,Zhang Yanhua.[J].高技术通讯(英文),2014,20(2):166~172 |
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| Study on conditions of internally carried air-launched launch vehicles based on the virtual prototype technology |
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| DOI：10.3772/j.issn.1006-6748.2014.02.009 |
| 中文关键词: |
| 英文关键词: air launch, flight dynamics, virtual prototype, automatic dynamic analysis of mechanical system (ADAMS), parachute |
| 基金项目: |
| Author Name | Affiliation | | Zhang Jiuxing (张久星) | | | Xu Haojun | | | Zhang Dengcheng | | | Zhang Yanhua | |
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| 中文摘要: |
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| 英文摘要: |
| A method based on the virtual prototype technology simulating the separation of a launch vehicle from its aircraft in the aircraft wake was proposed based on the internally carried air-launched launch vehicle program. In this method, the full-scale model of the aircraft, the vehicle and the parachute are constructed. Then, they are imported into the ADAMS software, constraint solutions and driving forces are then added for visual dynamic simulation. The unsteady aerodynamic forces of the vehicle in the aircraft wake are calculated by CFD and the moving grid technique. The forces generated by the parachute can be derived from the Kirchhoff motion equation. Through comparing and analyzing the simulation results under different launch conditions, it has been proven that this method simulates the separation of a launch vehicle from the aircraft in the aircraft wake accurately. It provides the foundation for the aggregate project of internally carried air-launch vehicles, and offers a new referenced method for multi-body dynamic simulation. |
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