Impact Response of Functionally Graded Conical Shells

被引：10

作者：

Dey, Sudip ^{[1
]}

Adhikari, Sondipon ^{[1
]}

Karmakar, Amit ^{[2
]}

机构：

[1] Swansea Univ, Swansea, W Glam, Wales

[2] Jadavpur Univ, Kolkata, India

来源：

LATIN AMERICAN JOURNAL OF SOLIDS AND STRUCTURES | 2015年 / 12卷 / 01期

关键词：

functionally graded material; finite element; low velocity impact; twist angle; oblique impact angle; conical shell; LOW-VELOCITY IMPACT; DYNAMIC-RESPONSE; BEAMS; FGM; PLATES; VIBRATION; STRESSES; PANELS; CORE;

D O I：

10.1590/1679-78251382

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This paper presents low velocity impact response of functionally graded pretwisted conical shells. The modified Hertzian contact law which accounts for permanent indentation is utilized to compute the contact force and other impact parameter. The time dependent equations are solved by Newmark's time integration scheme. An eight noded isoparametric quadratic element is employed in the present finite element formulation. A parametric study is carried out to investigate the effects of triggering parameters like initial velocity of impactor, twist angle, oblique impact angle, location of impact for Stainless Steel-Nickel functionally graded conical shell subjected to low velocity impact.

引用

页码：133 / 152

页数：20

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