Modelling deformation behaviour and fracture of a diaphragm of the gas shock tube

Modelling deformation behaviour and fracture of a diaphragm of the gas shock tube

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Deformation and fracture behaviour of the slender diaphragm with cross incisions is simulated by the developed finite element model. The influence of incisions geometry on the critical pressure of diaphragms was examined by applying deformation and fracture criteria. Original experiments of diaphrag...

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Bibliographic Details
Main Author: Tretjakovas, Jurijus
Other Authors: Kačianauskas, Rimantas
Format: Doctoral Thesis
Language:English
Published: Lithuanian Academic Libraries Network (LABT) 2008
Subjects:
Mechanical Engineering
Diaphragms of the shock tube
Modelling
Deformation and fracture of the diaphragm
Smūginio vamzdžio diafragma
Modeliavimas
Diafragmos deformavimas ir irimas
Online Access:http://vddb.library.lt/fedora/get/LT-eLABa-0001:E.02~2007~D_20080108_110516-85661/DS.005.1.01.ETD
Description
Summary:Deformation and fracture behaviour of the slender diaphragm with cross incisions is simulated by the developed finite element model. The influence of incisions geometry on the critical pressure of diaphragms was examined by applying deformation and fracture criteria. Original experiments of diaphragms with incisions were performed. === Išnagrinėjus ir palyginus įvairius skaičiuojamuosius baigtinių elementų modelius buvo ištirta ir nustatyta įpjovos geometrijos įtaka smūginio dujų vamzdžio liaunos diafragmos su kryžmine įpjova kritiniam slėgiui pagal ribinius deformavimo ir irimo kriterijus. Atlikti originalūs eksperimentiniai diafragmų deformavimo ir irimo tyrimai.

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