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Nonlinear Structural Dynamics Analysis and Optimization Design on Naval Gun Driver

Author: PanXuHui
Tutor: PanBaoJun
School: Jiangsu University of Science and Technology
Course: Mechanical Manufacturing and Automation
Keywords: The Driver Explicit Algorithm Orthogonal Experimental Design Structural Optimization Finite Element Analysis
CLC: TJ391
Type: Master's thesis
Year: 2011
Downloads: 19
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As the needs of modern naval warfare and the development of science and technology, naval guns have to continuously improve the technical performance. The Driver is an important part of the gun feeding system, its reliability could ensure the reliability of the gun feeding system. For vibration and broken of parts, this thesis focuses on nonlinear structural dynamics analysis of The Driver by ABAQUS, optimize structure of main parts for the driver by based on Orthogonal Experimental Design.Main work in the thesis is as follows:1) 3D model is built by PRO/E, then mesh model is built by HyperMesh, and at last, reasonable simplified nonlinear finite element model of The Driver is built by ABAQUS.It is studied in order to know state of motion and check the structural strength of main parts. Stress results show that stress concentration of the ranging arm is very severe. At the same time, stress testing experiment was done to verify correctness of the simplified model.2) For physical prototype test problems that vibration of The Driver occur, reasonable finite element models of primary parts are built,its mode is studied in order to realize the inherent characteristic, find out the weak part of The Driver. On the basis of nonlinear structural dynamics model, displacement response of main parts is studied. With studying mode and displacement response, the results show that vibration of The Driver has occurred.3) The paper combines orthogonal experimental design to optimize structure of main parts, contrasts dynamic characteristics and dynamic strength of main components before and after the optimization, assesses the feasibility of structural improvements.This thesis focuses on nonlinear structural dynamics analysis of The Driver for a certain type of naval gun with nonlinear finite element method and structural dynamics theory, in order to realize the inherent characteristic and verify its reliability such as the intensity, displacement response and so on. On the basis of the dynamic simulation analysis, taking orthogonal design optimize structure of main parts so as to improve the dynamic property of The Driver, increase the structural stiffness and strength,propose a method for structure optimization of The Driver, and provide a reference for improving technical performance of naval gun.

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CLC: > Industrial Technology > Arms industry > Artillery > Gun
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