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首页> 外文期刊>Journal of aerospace engineering >Take-Off and Landing Using Ground-Based Power-Simulation of Critical Landing Load Cases Using Multibody Dynamics
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Take-Off and Landing Using Ground-Based Power-Simulation of Critical Landing Load Cases Using Multibody Dynamics

机译：使用多体动力学对关键着陆载荷工况进行基于地面的功率模拟起飞和着陆

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A novel take-off and landing system using ground-based power is proposed in the EU-FP7 project GABRIEL. The main feature of this system is the complete removal of the landing gear from civil aircraft. The proposed system has the potential to reduce aircraft weight, emissions, and noise. A feasibility study of the structural design of the connection mechanism between aircraft and ground system has been performed by simulating the landing procedure on a moving ground system. One of the key challenges is the landing on a moving ground system under high crosswind conditions. The main focus in the current research is the calculation of the critical dynamic loads on both aircraft and ground system for a wide range of landing conditions (sink rate, velocity differences between aircraft and ground system, etc.). For comparison, conventional landing procedures with a traditional landing (TL) gear have also been simulated. The aerodynamics of the aircraft is represented by an accurate empirical model. The results of the simulations are a set of load cases and operational constraints that can be used for the structural design of the ground system and modifications to the aircraft. Eight critical load cases (combinations of vertical sink rate, horizontal velocity difference, and crosswind) are identified. These can be used instead of the traditional landing load cases specified in the certification specifications. (C) 2015 American Society of Civil Engineers.
机译：在EU-FP7项目GABRIEL中提出了一种使用地面动力的新型起降系统。该系统的主要特点是从民用飞机上完全卸下了起落架。拟议的系统具有减轻飞机重量，排放物和噪音的潜力。通过模拟移动地面系统的着陆程序，对飞机与地面系统之间的连接机构的结构设计进行了可行性研究。关键挑战之一是在强侧风条件下降落在运动地面系统上。当前研究的主要重点是针对各种着陆条件（下沉率，飞机与地面系统之间的速度差等）计算飞机和地面系统上的临界动态载荷。为了进行比较，还模拟了具有传统起落架（TL）的常规起降程序。飞机的空气动力学由精确的经验模型表示。仿真结果是一组载荷工况和运行约束，可用于地面系统的结构设计和飞机的改装。确定了八种临界载荷情况（垂直下沉率，水平速度差和侧风的组合）。这些可以代替认证规范中指定的传统着陆情况。 （C）2015年美国土木工程师学会。

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