DETERMINATION OF COHESIVE ZONE PARAMETERS IN MODE I DELAMINATION GROWTH OF A DOUBLE CANTILEVER BEAM SPECIMEN USING THE INVERSE METHOD

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MEHRDAD SHOKRIEH MAHMOUD; DAMIRCHILOO SADEGH; SALAMATTALAB MAZAHER

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Journal: Journal of Science and Technology of Composites Year:2017 | Volume:4 | Issue:1 Page(s): 83-90

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Title

DETERMINATION OF COHESIVE ZONE PARAMETERS IN MODE I DELAMINATION GROWTH OF A DOUBLE CANTILEVER BEAM SPECIMEN USING THE INVERSE METHOD

Author(s)

MEHRDAD SHOKRIEH MAHMOUD | DAMIRCHILOO SADEGH | SALAMATTALAB MAZAHER | Issue Writer Certificate

Keywords

LARGE SCALE BRIDGINGQ2

R-CURVE EFFECTQ2

DELAMINATIONQ2

COHESIVE ZONE MODEL (CZM)Q2

GENETIC ALGORITHMQ2

Abstract

In this study, DELAMINATION growth in mode I loading of unidirectional laminated composites with R-CURVE EFFECT was investigated. To this end, a finite element simulation of DELAMINATION growth in double cantilever beam (DCB) performed using the cohesive zone model (CZM) based on traction-separation laws. By increasing the DELAMINATION length in DCB specimens, the strain energy release rate increases and for this reason the simple traction-separation law such as bilinear are not capable to predict the load-displacement curve of this specimens accurately. To solve this shortcoming, cohesive zone models with multi-linear traction-separation laws were proposed to predict DELAMINATION behavior of the DCB specimens numerically. Afterwards, by minimizing the difference between experimental and numerical load displacement curves using optimization method based on GENETIC ALGORITHM, cohesive zone parameters are characterized. A comparison of the results obtained by cohesive laws with experimental data show that four-linear cohesive law can predict the maximum bridging stress as well as the experimental load displacement curve accurately.

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APA: Copy

MEHRDAD SHOKRIEH, MAHMOUD, DAMIRCHILOO, SADEGH, & SALAMATTALAB, MAZAHER. (2017). DETERMINATION OF COHESIVE ZONE PARAMETERS IN MODE I DELAMINATION GROWTH OF A DOUBLE CANTILEVER BEAM SPECIMEN USING THE INVERSE METHOD. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), 4(1), 83-90. SID. https://sid.ir/paper/251768/en

Vancouver: Copy

MEHRDAD SHOKRIEH MAHMOUD, DAMIRCHILOO SADEGH, SALAMATTALAB MAZAHER. DETERMINATION OF COHESIVE ZONE PARAMETERS IN MODE I DELAMINATION GROWTH OF A DOUBLE CANTILEVER BEAM SPECIMEN USING THE INVERSE METHOD. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC)[Internet]. 2017;4(1):83-90. Available from: https://sid.ir/paper/251768/en

IEEE: Copy

MAHMOUD MEHRDAD SHOKRIEH, SADEGH DAMIRCHILOO, and MAZAHER SALAMATTALAB, “DETERMINATION OF COHESIVE ZONE PARAMETERS IN MODE I DELAMINATION GROWTH OF A DOUBLE CANTILEVER BEAM SPECIMEN USING THE INVERSE METHOD,” JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), vol. 4, no. 1, pp. 83–90, 2017, [Online]. Available: https://sid.ir/paper/251768/en

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