Numerical simulation of Aircraft Ditching based on ALE method

被引：5

作者：

Hu Wei ^{[1
]}

Wang Yonghu ^{[1
]}

Chen Caihua ^{[1
]}

机构：

[1] Civil Aviat Flight Univ China, Sichuan Guanghan 618307, Peoples R China

来源：

MECHANICAL COMPONENTS AND CONTROL ENGINEERING III | 2014年 / 668-669卷

关键词：

Aircraft Ditching; Arbitrary Lagrange-Euler (ALE); Fluid-solid interaction; Water impact overload;

D O I：

10.4028/www.scientific.net/AMM.668-669.490

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Aircraft Ditching is related primarily with the aviation safety. Firstly, the full-scaled shape of Boeing 777-200 is modeled according to the lost MH370 aircraft on 8th March. And then an Arbitrary Lagrange-Euler (ALE) fluid-field model is created for water and air domain. Next some simulation cases are implemented related to different vertical velocities using LS-DYNA nonlinear finite-element code, with the same horizontal velocity and attack angle. At the same time, the variations of the velocity of the head and tail are discussed. Consequently, Ditching overload peak occurs at the highest vertical velocity. The simulation results can deeply be applied to accident analysis of aircraft impacting on water.

引用

页码：490 / 493

页数：4

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