DETERMINATION OF MECHANICAL RESPONSE OF COMPOSITE CYLINDERS INCLUDING CIRCULAR CUTOUT SUBJECTED TO UNIFORM EXTERNAL HYDROSTATIC PRESSURE

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ELYASI MAJID; YOUSEFINEZHAD GILDEH HASSAN; ZABIHPOOR MAHMOOD

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:9 Page(s): 360-370

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Title

DETERMINATION OF MECHANICAL RESPONSE OF COMPOSITE CYLINDERS INCLUDING CIRCULAR CUTOUT SUBJECTED TO UNIFORM EXTERNAL HYDROSTATIC PRESSURE

Author(s)

ELYASI MAJID | YOUSEFINEZHAD GILDEH HASSAN | ZABIHPOOR MAHMOOD | Issue Writer Certificate

Keywords

COMPOSITE VESSELSQ2

CUTOUTQ2

FINITE ELEMENT METHODQ2

EXTERNAL PRESSUREQ2

BUCKLINGQ2

Abstract

Due to the necessity of access opening, inspection paths, installation, entrance and exit doors, etc, creation of CUTOUTs on the vessel structure is unavoidable. On the other hand, composite structures and structural analysis are complex and creating CUTOUT and imperfect structure increases this complexity. The aim of this research is to determine the mechanical response of three CUTOUT positions on composite pressure vessels under 30 bar EXTERNAL PRESSURE, so that no BUCKLING and fracture failure occurs. Also, the optimum composite vessel thickness for this condition and CUTOUT effect has been determined in this study. The studied vessels are made from E-Glass fiber and Epoxy matrix. Finite element simulation was used to investigate the parameters effect. For this reason, commercial ABAQUS software and linear and non-linear analysis was carried out to examine the parameters. To evaluate the simulation results, two COMPOSITE VESSELS were manufactured and fractured under EXTERNAL PRESSURE. Moreover, the final vessel with three CUTOUTs was tested under 30 bar EXTERNAL PRESSURE. The concluded results show that the optimum thickness was 16 mm for vessel with three CUTOUTs and creating the CUTOUTs led to decreased BUCKLING pressure. Also, with increasing CUTOUT size the percentage of BUCKLING pressure increased.

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APA: Copy

ELYASI, MAJID, YOUSEFINEZHAD GILDEH, HASSAN, & ZABIHPOOR, MAHMOOD. (2015). DETERMINATION OF MECHANICAL RESPONSE OF COMPOSITE CYLINDERS INCLUDING CIRCULAR CUTOUT SUBJECTED TO UNIFORM EXTERNAL HYDROSTATIC PRESSURE. MODARES MECHANICAL ENGINEERING, 15(9), 360-370. SID. https://sid.ir/paper/179029/en

Vancouver: Copy

ELYASI MAJID, YOUSEFINEZHAD GILDEH HASSAN, ZABIHPOOR MAHMOOD. DETERMINATION OF MECHANICAL RESPONSE OF COMPOSITE CYLINDERS INCLUDING CIRCULAR CUTOUT SUBJECTED TO UNIFORM EXTERNAL HYDROSTATIC PRESSURE. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(9):360-370. Available from: https://sid.ir/paper/179029/en

IEEE: Copy

MAJID ELYASI, HASSAN YOUSEFINEZHAD GILDEH, and MAHMOOD ZABIHPOOR, “DETERMINATION OF MECHANICAL RESPONSE OF COMPOSITE CYLINDERS INCLUDING CIRCULAR CUTOUT SUBJECTED TO UNIFORM EXTERNAL HYDROSTATIC PRESSURE,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 9, pp. 360–370, 2015, [Online]. Available: https://sid.ir/paper/179029/en

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