| 随机参数超空泡射弹弹道随机特性分析 |
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| 引用本文： | 蒋运华,安伟光,周凌. 随机参数超空泡射弹弹道随机特性分析[J]. 计算力学学报, 2011, 28(1): 25-30 |
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| 作者姓名： | 蒋运华 安伟光 周凌 |
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| 作者单位： | 哈尔滨工程大学,航天工程系,哈尔滨,150001 |
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| 基金项目： | 国防"十一"基础(A24200061291)资助项目. |
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| 摘 要： | 超空泡射弹的发射装置及射弹在制造,安装过程中存在各种不确定性.本文采用最大熵法来分析这些不确定性对射弹弹道的影响.介绍了超空泡射弹的动力学模型,对射弹的受力特性和随机参数进行了分析.根据给出的理论编制了基于最大熵法的随机参数超空泡射弹弹道随机特性分析的仿真程序,并对一个模型弹仿真计算.计算表明,与发射装置有关的随机参数...
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| 关 键 词： | 随机参数 超空泡射弹 弹道 随机特性 最大熵法 |
| 收稿时间： | 2009-06-28 |
| 修稿时间： | 2010-04-08 |
Trajectory stochastic characteristics analysis of supercavitation projectile with stochastic parameters |
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| JIANG Yun-hu,AN Wei-guang and ZHOU Ling. Trajectory stochastic characteristics analysis of supercavitation projectile with stochastic parameters[J]. Chinese Journal of Computational Mechanics, 2011, 28(1): 25-30 |
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| Authors: | JIANG Yun-hu AN Wei-guang ZHOU Ling |
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| Affiliation: | Department of Aerospace Engineering, Harbin Engineering University, Harbin 150001, China;Department of Aerospace Engineering, Harbin Engineering University, Harbin 150001, China;Department of Aerospace Engineering, Harbin Engineering University, Harbin 150001, China |
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| Abstract: | The launching device and production process of supercavitation projectile own various uncertainty.Utilizing maximum entropy method,the influence of uncertainty to projectile trajectory was analyzed.The dynamic model of supercavitation projectile was introduced,and load characteristics of projectile and principle of stochastic parameters were analyzed.The simulation program of trajectory stochastic characteristics analysis of supercavitation projectile with stochastic parameters based on maximum entropy meth... |
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| Keywords: | stochastic parameters supercavitation projectile trajectory stochastic characteristics maximum entropy method |
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