| Calculation of VPP basing on functional analyzing method |
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| 引用本文： | 柏开祥,王德恂,韩久瑞. Calculation of VPP basing on functional analyzing method[J]. 西安交通大学学报(英文版), 2007, 19(1): 77-80 |
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| 作者姓名： | 柏开祥 王德恂 韩久瑞 |
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| 作者单位： | Wuhan Institute of Physical Education，Wuhan University of Technology，Wuhan Institute of Physical Education Wuhan 430079，China，Wuhan430063，China，Wuhan 430079，China |
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| 基金项目： | This work was supported by the key surmounting event of General Administration of Sport of China for 2004 0lympics： Research of the optimal incline-angle and route in sailboard sports （03056）. |
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| 摘 要： | VPP can be used to deter mine the maxi mumvelocities of a sailboard at various sailing-routes,byestablishing the forces and moments balance-equa-tions on the sail and board in accordance with theprinciple of the maxi mal drive-force.Selectingroute is the most i mportant issue in upwind-sailing,and VPP calculations could provide the basis for de-ter mining the opti mal routes.VPP calculation of the sailboard perfor mance isa complex and difficult research task,and there arefew projects in thi…
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| 关 键 词： | 功能分析 VPP算法 动力学模型 帆板 |
| 文章编号： | 1671-8267（2007）01-0077-04 |
Calculation of VPP basing on functional analyzing method |
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| Bai Kaixiang,Wang Dexun,Han Jiurui. Calculation of VPP basing on functional analyzing method[J]. Academic Journal of Xi’an Jiaotong University, 2007, 19(1): 77-80 |
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| Authors: | Bai Kaixiang Wang Dexun Han Jiurui |
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| Abstract: | The establishment and realization of the VPP calucation's model for the functional analytic theory are discussed in this paper. Functional analyzing method is a theoretical model of the VPP calculation which can eliminate the influence of the sail and board's size skillfully, so it can be regarded as a brief standard of the sailboard's VPP results. As a brief watery dynamical model, resistance on board can be regarded as a direct proportion to the square of the boat-velocity. The boat-velocities at the state of six wind-velocities (3 m/s-8 m/s) with angles of 25°-180° are obtained by calculating, which provides an important gist of the sailing-route's selection in upwind-sailing. |
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| Keywords: | functional analysis velocity prediction program (VPP) aerial and watery dynamical model |
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