Deformation and fracture of square plates under repetitive impact loading

被引：4

作者：

Breslavsky, D. ^{[1
]}

Morachkovsky, O. ^{[2
]}

Naumov, I. ^{[1
]}

Ganilova, O. ^{[3
]}

机构：

[1] Natl Tech Univ, Dept Comp Modelling Proc & Syst, Kharkiv Politech Inst, 2 Kyrpychova Str, UA-61002 Kiev, Ukraine

[2] Natl Tech Univ, Dept Theoret Mech, Kharkiv Politech Inst, Kiev, Ukraine

[3] Univ Strathclyde, Dept Mech & Aerosp Engn, Glasgow, Lanark, Scotland

来源：

INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS | 2018年 / 98卷

关键词：

Plate; Repetitive impact loading; Punching; Fracture; Numerical-experimental approach; LOW-VELOCITY IMPACT; DAMAGE; FAILURE; MODEL;

D O I：

10.1016/j.ijnonlinmec.2017.10.020

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The deformation and fracture of impact loaded thin steel square plates is studied experimentally and numerically. Impacts with low velocities (10-15 m/s) are calculated and an inductive machine (IM) is used as an impact loading device in a developed experimental unit. Impact tests are made for different velocities which correspond to the cases of elastic and elasto-plastic deformation, as well as to punching through the plate. Repetitive impact loading and resulting low cycle punching are both investigated. Experimental data are processed and the coefficients of the dynamic periodic flow equation are determined. A numerical simulation of the impact deformation of plates is performed and the results are compared with the experimental data. The proposed numerical-experimental approach for fracture prediction in plates under repetitive impact loading is also discussed. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：180 / 188

页数：9

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