Numerical modeling of ice behavior under high velocity impacts

被引：115
作者：
Pernas-Sanchez, J. [1 ]
Pedroche, D. A. [1 ]
Varas, D. [1 ]
Lopez-Puente, J. [1 ]
Zaera, R. [1 ]
机构：
[1] Univ Carlos III Madrid, Dept Continuum Mech & Struct Anal, Madrid 28911, Spain
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2012年 / 49卷 / 14期
关键词：
Ice; Constitutive model; Impact; Simulation; POLYCRYSTALLINE ICE; DEFORMATION; COMPRESSION; FRACTURE;
D O I：
10.1016/j.ijsolstr.2012.03.038
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this work a constitutive relation for ice at high strain rates and an algorithm for its numerical integration are developed. This model is based on the Drucker-Prager plasticity criteria, which allows a different behavior in tension and in compression. In addition a failure criteria, based on pressure cut-offs, is implemented to describe the ice damage. In order to validate the constitutive model, numerical simulations were compared with experimental results, in which ice cylinders were impacted against a steel plate, allowing the measurement of the contact load. Three different numerical solvers are used in order to analyze its performance to appropriately modeling the ice behavior. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1919 / 1927
页数：9
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