NUMERICAL IMPLEMENTATION AND CALIBRATION OF MICROPLANE MODEL FOR CLOSED-CELL METAL FOAMS WITH SPHERICAL CELLULAR STRUCTURE

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SOURI AMIR; SHAHBEYK SHARIF

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:10 Page(s): 121-128

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Title

NUMERICAL IMPLEMENTATION AND CALIBRATION OF MICROPLANE MODEL FOR CLOSED-CELL METAL FOAMS WITH SPHERICAL CELLULAR STRUCTURE

Author(s)

SOURI AMIR | SHAHBEYK SHARIF | Issue Writer Certificate

Keywords

CLOSED-CELL METAL FOAMSQ2

MICROPLANE MODELQ2

NON-LINEAR FINITE ELEMENTQ2

NUMERICAL IMPLEMENTATIONQ2

MESOSTRUCTUREQ1

Abstract

Metal foams as a new class of materials with interesting properties such as high stiffness and strength to density ratios, capacity to absorb impact energy, and reproducibility, are rapidly growing their share in engineering applications such as aerospace, automotive industry, lightweight structures, and energy absorbers. Different numerical approaches have been already developed for the simulation of this class of materials from which the two-scale MICROPLANE MODEL has been focused in this research. First a simple algorithm has been proposed for the NUMERICAL IMPLEMENTATION of MICROPLANE MODEL to simulate the mechanical behavior of CLOSED-CELL METAL FOAMS. The structure of foam is assumed to be an assembly of firmly bonded spherical shells. Next, in order to calibrate the MICROPLANE MODEL, the MESOSTRUCTURE of foam has been simulated using NON-LINEAR FINITE ELEMENT model. The FE model has been subjected to both uniaxial and hydrostatical loads and required steps for the extraction of model parameters from the results have been outlined. Finally, the results of MICROPLANE MODEL and mesomodel have been compared for a m ore general biaxial loading condition. Despite tremendous reduction of computational cost, good agreement has been achieved.

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APA: Copy

SOURI, AMIR, & SHAHBEYK, SHARIF. (2014). NUMERICAL IMPLEMENTATION AND CALIBRATION OF MICROPLANE MODEL FOR CLOSED-CELL METAL FOAMS WITH SPHERICAL CELLULAR STRUCTURE. MODARES MECHANICAL ENGINEERING, 14(10), 121-128. SID. https://sid.ir/paper/177824/en

Vancouver: Copy

SOURI AMIR, SHAHBEYK SHARIF. NUMERICAL IMPLEMENTATION AND CALIBRATION OF MICROPLANE MODEL FOR CLOSED-CELL METAL FOAMS WITH SPHERICAL CELLULAR STRUCTURE. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(10):121-128. Available from: https://sid.ir/paper/177824/en

IEEE: Copy

AMIR SOURI, and SHARIF SHAHBEYK, “NUMERICAL IMPLEMENTATION AND CALIBRATION OF MICROPLANE MODEL FOR CLOSED-CELL METAL FOAMS WITH SPHERICAL CELLULAR STRUCTURE,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 10, pp. 121–128, 2014, [Online]. Available: https://sid.ir/paper/177824/en

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