拖索释放完瞬时动态张力的近似解析解法及其优化

本文在文4]的基础上,对如何降低拖索释放完瞬时动态张力进行了研究。具体做了以下几件事情;1)利用拖索放完瞬时前后系统能量不变,建立拖索动态张力的近似解析表达式;2)分析拖索有关参数对动态张力影响的敏感程度,以确定优选自变量;3)研究变截面拖索分别位于不同载体情况对降低动态张力的可能性;4)进行动态张力的优化设计和变截面拖索的最佳匹配。文中以某型拖靶系统为实例进行了优化设计,效果显著。本文所提出的方法对同类系统的设计有实用价值。

Approximate Analytic Solution and Optimization of Dynamic Tension at the Instant when Cable Released Completely

On the base of article 4],this paper studies how to reduce the dynamic tension at the instant when cable is released completely. The items have been accomplished as follows: 1. To establish the approximate analytic expression of the dynamic tension of cable by using the energy conservation of system at an instant when the cable is released completely; 2. To analyze the sensitivity of relevant parameters influencing the dynamic tension in order to determine the optimal independent variables; 3. To study the possibility of reducing the dynamic tension on the cable of variable cross-sections under different carrier conditions respectively; 4. To make the optimization design of the dynamic tension and the optimal matching of the cable at various sections. In this paper,we make a compution of optimizing a certain carrying aircraft-towed target system as an example >the results are satisfactory. The method formulated by the paper is of practical value for the design of the similar system.