Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis

In order to further improve the vibration reduction optimization effect of the electromagnetic rail transmitter body tube fastening, the modal analysis method is used to simulate the selection scheme of fastening point. On the basis of simplifying the electromagnetic orbit emitter into Bernoulli-Eul...

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Autor principal:	Li Tengda, Feng Gang, Lian Zhongmou
Formato:	article
Lenguaje:	ZH
Publicado:	Editorial Office of Aero Weaponry 2021
Materias:	\|electromagnetic launch\|rail\|vibration reduction optimization\|modal analysis\|finite element simulation Motor vehicles. Aeronautics. Astronautics TL1-4050
Acceso en línea:	https://doaj.org/article/09b1575a9a974262b1c3810f1120234e
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id	oai:doaj.org-article:09b1575a9a974262b1c3810f1120234e
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spelling	oai:doaj.org-article:09b1575a9a974262b1c3810f1120234e2021-11-30T00:13:33ZSimulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis1673-504810.12132/ISSN.1673-5048.2020.0234https://doaj.org/article/09b1575a9a974262b1c3810f1120234e2021-08-01T00:00:00Zhttps://www.aeroweaponry.avic.com/fileup/1673-5048/PDF/1631769639372-1720037521.pdfhttps://doaj.org/toc/1673-5048In order to further improve the vibration reduction optimization effect of the electromagnetic rail transmitter body tube fastening, the modal analysis method is used to simulate the selection scheme of fastening point. On the basis of simplifying the electromagnetic orbit emitter into Bernoulli-Euler beam, the vibration response analysis and modal analysis are carried out, and the whole process of emission is simulated by establishing the finite element model of the transmitter. According to the system stiffness of critical velocity, the optimal fastening position is determined and the evaluation index is put forward to evaluate the optimization effect. The simulation results show that the addition of fastening can effectively improve the stiffness of the transmitter, and the vibration absorption effect of the fastening is affected by the vibration characteristics of the fastening position, and the selection of the fastening position should avoid the resonance range of the critical velocity as far as possible, and the position is located before the arrival position of the critical speed on the premise of meeting the requirements, the addition of fastening leads to the stress concentration in the adjacent parts of the rail to improve the rail strength.Li Tengda, Feng Gang, Lian ZhongmouEditorial Office of Aero Weaponryarticle\|electromagnetic launch\|rail\|vibration reduction optimization\|modal analysis\|finite element simulationMotor vehicles. Aeronautics. AstronauticsTL1-4050ZHHangkong bingqi, Vol 28, Iss 4, Pp 69-75 (2021)
institution	DOAJ
collection	DOAJ
language	ZH
topic	\|electromagnetic launch\|rail\|vibration reduction optimization\|modal analysis\|finite element simulation Motor vehicles. Aeronautics. Astronautics TL1-4050
spellingShingle	\|electromagnetic launch\|rail\|vibration reduction optimization\|modal analysis\|finite element simulation Motor vehicles. Aeronautics. Astronautics TL1-4050 Li Tengda, Feng Gang, Lian Zhongmou Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis
description	In order to further improve the vibration reduction optimization effect of the electromagnetic rail transmitter body tube fastening, the modal analysis method is used to simulate the selection scheme of fastening point. On the basis of simplifying the electromagnetic orbit emitter into Bernoulli-Euler beam, the vibration response analysis and modal analysis are carried out, and the whole process of emission is simulated by establishing the finite element model of the transmitter. According to the system stiffness of critical velocity, the optimal fastening position is determined and the evaluation index is put forward to evaluate the optimization effect. The simulation results show that the addition of fastening can effectively improve the stiffness of the transmitter, and the vibration absorption effect of the fastening is affected by the vibration characteristics of the fastening position, and the selection of the fastening position should avoid the resonance range of the critical velocity as far as possible, and the position is located before the arrival position of the critical speed on the premise of meeting the requirements, the addition of fastening leads to the stress concentration in the adjacent parts of the rail to improve the rail strength.
format	article
author	Li Tengda, Feng Gang, Lian Zhongmou
author_facet	Li Tengda, Feng Gang, Lian Zhongmou
author_sort	Li Tengda, Feng Gang, Lian Zhongmou
title	Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis
title_short	Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis
title_full	Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis
title_fullStr	Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis
title_full_unstemmed	Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis
title_sort	simulation optimization of body tube fastening of electromagnetic rail based on modal analysis
publisher	Editorial Office of Aero Weaponry
publishDate	2021
url	https://doaj.org/article/09b1575a9a974262b1c3810f1120234e
work_keys_str_mv	AT litengdafengganglianzhongmou simulationoptimizationofbodytubefasteningofelectromagneticrailbasedonmodalanalysis
_version_	1718406844094873600

Simulation Optimization of Body Tube Fastening of Electromagnetic Rail Based on Modal Analysis

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