Numerical simulation of projectile perforation of a concrete panel

被引：0

作者：

Zhou, X ^{[1
]}

Fan, SC ^{[1
]}

Tan, GEB ^{[1
]}

机构：

[1] Nanyang Technol Univ, Protect Technol Res Ctr, Sch Civil & Struct Engn, Singapore 639798, Singapore

来源：

COMPUTATIONAL MECHANICS, VOLS 1 AND 2, PROCEEDINGS: NEW FRONTIERS FOR THE NEW MILLENNIUM | 2001年

关键词：

perforation; material model; damage; AUTODYN; numerical simulation; fiber reinforced concrete;

D O I：

暂无

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

This paper simulates the perforation process of a fiber-reinforced-concrete slab impacted by a cylindrical steel projectile. In the numerical simulation, a piece-wise linear Drucker-Prager strength criterion and an isotropic continuum damage model to model the material of the target are proposed. The damage model is characterized by a damage scalar that depends on an equivalent plastic strain. The proposed material model is incorporated into the commercial software AUTODYN through a user-defined-subroutine function. A two-dimensional axi-symmetric perforation problem is analyzed. Results are compared with published experimental data. Good agreements of the exit velocity and damage area are obtained.

引用

页码：1559 / 1564

页数：6

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