NUMERICAL SIMULATION AND EXPERIMENTAL VALIDATION OF GUIDED DITCHING TESTS

被引：0

作者：

Siemann, Martin H. ^{[1
]}

Kohlgrueber, Dieter ^{[1
]}

Benitez Montanes, Luis ^{[2
]}

Iafrati, Alessandro ^{[3
]}

机构：

[1] German Aerosp Ctr DLR, Inst Struct & Design, D-70569 Stuttgart, Germany

[2] AIRBUS MIL, Struct Dynam & Aeroelast Dept, Getafe 28906, Spain

[3] CNR, INSEAN, I-00128 Rome, Italy

来源：

11TH WORLD CONGRESS ON COMPUTATIONAL MECHANICS; 5TH EUROPEAN CONFERENCE ON COMPUTATIONAL MECHANICS; 6TH EUROPEAN CONFERENCE ON COMPUTATIONAL FLUID DYNAMICS, VOLS II - IV | 2014年

关键词：

Guided Ditching; Fluid-structure interaction; High speed water impact; Experimental methods; Computational modeling; Smoothed Particle Hydrodynamics; SMOOTHED PARTICLE HYDRODYNAMICS;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

The oblique water entry of structures with high horizontal speed is investigated in this work. First, the necessity of aircraft ditching analysis as well as the requirements for numerical tools to simulate aircraft ditching are described. The paper provides a brief explanation of an extensive experimental campaign of guided ditching tests carried out in the SMAES project. These tests are then simulated using a hybrid Smoothed Particle Hydrodynamics - Finite Elements modeling approach. Most recent advances done in computational modeling are presented and applied to the guided ditching simulation model. Comparison with experimental data in terms of force and strain results is established with the aim to validate the numerical model. Good correlation could be proven for test cases with purely elastic as well as deformable aluminum panels.

引用

页码：4576 / 4587

页数：12

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