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Numerical Analysis about High-speed Entry Water of Rocket Sled Water Brake Machine

Author: ZhaoQingBin
Tutor: TaoGang
School: Nanjing University of Technology and Engineering
Course: Weapons systems and the use of engineering
Keywords: Into the water at high speed Fluid-structure interaction Numerical Analysis Rocket sled ANSYS / LS - DYNA
CLC: V431
Type: Master's thesis
Year: 2009
Downloads: 157
Quote: 2
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Abstract


In this thesis, the application of ANSYS / LS - DYNA fluid-structure interaction algorithm into the water on the rocket sled water brake mechanism high-speed numerical analysis , application of ABAQUS finite element analysis software the water brake agency water resistance load force and deformation . This paper first introduces on structures into the water research development at home and abroad , after the basic principles and steps to solve the finite element method and documents related to the algorithms and theory . By numerical simulation of high speed into the water on the water brake mechanism , has been supercavity , surface uplift, splashing water and pressure wave propagation intuitive three - dimensional physical image , get the the water brake mechanism of the speed curve and acceleration curve to calculate the drag coefficient . Credibility problem for the water simulation results verify analog of existing high-speed into the water experiments to verify the the water brake mechanism in this paper the correctness of high - speed analog into the water . Static Stress Analysis carried by the water brake mechanism , the the water brake mechanism of stress and strain distribution . In short, the numerical analysis of the paper the rocket sled the water brake mechanism design provides technical support to some extent , also has some reference value for other high-speed objects into the water .

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Propulsion system ( engine, propeller ) > Engine parts
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