Experimental and Numerical Analysis of Single and Double layered Aluminum Sheet 3105 With Mechanical Joints under Drop Weight Impact

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BASHIRI A.; HOSSEINI M.; HATAMI H.

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Paper Information

Journal: Journal of Applied and Computational Sciences in Mechanics Year:2019 | Volume:30 | Issue:2 (20) Page(s): 109-124

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Title

Experimental and Numerical Analysis of Single and Double layered Aluminum Sheet 3105 With Mechanical Joints under Drop Weight Impact

Author(s)

BASHIRI A. | HOSSEINI M. | HATAMI H. | Issue Writer Certificate

Keywords

Aluminum sheetQ1

Free fall testQ1

Permanent displacementQ1

Shock accelerationQ1

Energy absorptionQ1

Abstract

Sheets are widely used in various branches of modern technology industries such as automotive, marine, aerospace, optics, nuclear industries and structural engineering. One of the most important problems in design is their weakness against impact. Various impacts are applied by external objects during construction, operation or maintenance of the structure. For this reason, the reinforcement and increased strength of the sheets against the impact is the subject of many studies of researchers. This study was conducted for three levels of impact energy (using Drop weight). The sheets are of AL3105, with dimensions of 220 * 230 mm and 1 millimeter thick, 2 millimeters thick, and are connected by bolts. The sheets are completely free on the fixture The screws are made of a bolt with Standard din933. In the experimental method, the picker acceleration has been measured by the accelerometer sensor and the permanent deformation of the sheet is measured at the end of the impact. The parameters to be evaluated include the impact acceleration on the sheet, the permanent deformation and the Energy absorption of the sheets. Abaqus finite element software has been used for numerical modeling. Comparing the results of experimental and numerical methods shows that these two research methods have a good agreement. The results also show that the absorption of energy in single-layer sheets is greater than double-layered sheets. Also the acceleration in double-layered sheets are more than single-layer sheets.

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APA: Copy

BASHIRI, A., HOSSEINI, M., & HATAMI, H.. (2019). Experimental and Numerical Analysis of Single and Double layered Aluminum Sheet 3105 With Mechanical Joints under Drop Weight Impact. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 30(2 (20) ), 109-124. SID. https://sid.ir/paper/196236/en

Vancouver: Copy

BASHIRI A., HOSSEINI M., HATAMI H.. Experimental and Numerical Analysis of Single and Double layered Aluminum Sheet 3105 With Mechanical Joints under Drop Weight Impact. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2019;30(2 (20) ):109-124. Available from: https://sid.ir/paper/196236/en

IEEE: Copy

A. BASHIRI, M. HOSSEINI, and H. HATAMI, “Experimental and Numerical Analysis of Single and Double layered Aluminum Sheet 3105 With Mechanical Joints under Drop Weight Impact,” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 30, no. 2 (20) , pp. 109–124, 2019, [Online]. Available: https://sid.ir/paper/196236/en

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