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Discrete element modeling of metal skinned sandwich composite panels subject to uniform load

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Discrete element modeling of metal skinned sandwich composite panels subject to uniform load. / Zha, Xiaoxiong; Wan, Chengyong ; Fan, Yong et al.
In: Computational Materials Science, Vol. 69, 01.03.2013, p. 73-80.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Zha, X, Wan, C, Fan, Y & Ye, J 2013, 'Discrete element modeling of metal skinned sandwich composite panels subject to uniform load', Computational Materials Science, vol. 69, pp. 73-80. https://doi.org/10.1016/j.commatsci.2012.11.015

APA

Zha, X., Wan, C., Fan, Y., & Ye, J. (2013). Discrete element modeling of metal skinned sandwich composite panels subject to uniform load. Computational Materials Science, 69, 73-80. https://doi.org/10.1016/j.commatsci.2012.11.015

Vancouver

Zha X, Wan C, Fan Y, Ye J. Discrete element modeling of metal skinned sandwich composite panels subject to uniform load. Computational Materials Science. 2013 Mar 1;69:73-80. Epub 2012 Dec 22. doi: 10.1016/j.commatsci.2012.11.015

Author

Zha, Xiaoxiong ; Wan, Chengyong ; Fan, Yong et al. / Discrete element modeling of metal skinned sandwich composite panels subject to uniform load. In: Computational Materials Science. 2013 ; Vol. 69. pp. 73-80.

Bibtex

@article{b4a6308e51434576a531c1be2bf27c79,
title = "Discrete element modeling of metal skinned sandwich composite panels subject to uniform load",
abstract = "This paper presents a numerical approach using the discrete element method (DEM) to simulate failure modes of metal skinned sandwich panels subjected to uniform pressure. The panels were modeled by assemblies of small size particles that interact with each other through contacts. Different constitutive laws are introduced for the contacts to represent the stiffness and strength characteristics of the metal panels and the core materials. Parametric studies are conducted first to assess the influence of particle radius and friction coefficient on the numerical predictions. The model is then used to predict the mechanical behavior of four sandwich panels with different geometry. The panels are also tested in the laboratory and the test results are compared with the predictions. The comparisons suggest that the DEM model can be used as an alternative tool to predict stiffness and strength of sandwich composites. Moreover the approach can predict detailed local damage and failure modes, which is an advantage over the conventional numerical methods, such as the finite element method.",
keywords = "Discrete element, Metal skinned sandwich panel, Load bearing capacity, Failure mode",
author = "Xiaoxiong Zha and Chengyong Wan and Yong Fan and Jianqiao Ye",
year = "2013",
month = mar,
day = "1",
doi = "10.1016/j.commatsci.2012.11.015",
language = "English",
volume = "69",
pages = "73--80",
journal = "Computational Materials Science",
issn = "0927-0256",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Discrete element modeling of metal skinned sandwich composite panels subject to uniform load

AU - Zha, Xiaoxiong

AU - Wan, Chengyong

AU - Fan, Yong

AU - Ye, Jianqiao

PY - 2013/3/1

Y1 - 2013/3/1

N2 - This paper presents a numerical approach using the discrete element method (DEM) to simulate failure modes of metal skinned sandwich panels subjected to uniform pressure. The panels were modeled by assemblies of small size particles that interact with each other through contacts. Different constitutive laws are introduced for the contacts to represent the stiffness and strength characteristics of the metal panels and the core materials. Parametric studies are conducted first to assess the influence of particle radius and friction coefficient on the numerical predictions. The model is then used to predict the mechanical behavior of four sandwich panels with different geometry. The panels are also tested in the laboratory and the test results are compared with the predictions. The comparisons suggest that the DEM model can be used as an alternative tool to predict stiffness and strength of sandwich composites. Moreover the approach can predict detailed local damage and failure modes, which is an advantage over the conventional numerical methods, such as the finite element method.

AB - This paper presents a numerical approach using the discrete element method (DEM) to simulate failure modes of metal skinned sandwich panels subjected to uniform pressure. The panels were modeled by assemblies of small size particles that interact with each other through contacts. Different constitutive laws are introduced for the contacts to represent the stiffness and strength characteristics of the metal panels and the core materials. Parametric studies are conducted first to assess the influence of particle radius and friction coefficient on the numerical predictions. The model is then used to predict the mechanical behavior of four sandwich panels with different geometry. The panels are also tested in the laboratory and the test results are compared with the predictions. The comparisons suggest that the DEM model can be used as an alternative tool to predict stiffness and strength of sandwich composites. Moreover the approach can predict detailed local damage and failure modes, which is an advantage over the conventional numerical methods, such as the finite element method.

KW - Discrete element

KW - Metal skinned sandwich panel

KW - Load bearing capacity

KW - Failure mode

U2 - 10.1016/j.commatsci.2012.11.015

DO - 10.1016/j.commatsci.2012.11.015

M3 - Journal article

VL - 69

SP - 73

EP - 80

JO - Computational Materials Science

JF - Computational Materials Science

SN - 0927-0256

ER -