COMPUTATION OF STRESS INTENSITY FACTOR FOR STIFFENED PANELS

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Ghayoor M.H.; Seyyedzadeh S.

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Seminar Paper

Paper Information

Seminar: CONFERENCE OF IRANIAN AEROSPACE SOCIETY
Year:2014 | Issue:13

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Title

COMPUTATION OF STRESS INTENSITY FACTOR FOR STIFFENED PANELS

Author(s)

Ghayoor M.H. | Seyyedzadeh S. | Issue Writer Certificate

Keywords

STRESS INTENSITY FACTOR

FINITE ELEMENT METHOD

STIFFENED PANELS

CRACK PROPAGATION

ALUMINUM PANELS

DISPLACEMENT COMPATIBILITY METHOD

Abstract

THE ENHANCEMENT OF THE DAMAGED OR CRACKED STRUCTURES IS CURRENTLY A MAJOR ISSUE FOR RESEARCHES AND ENGINEERS. THEREFORE, PROVIDING THE DEVELOPED METHOD FOR CALCULATING THE LIFE OF THE MENTIONED STRUCTURES IS NECESSARY. IN THIS PAPER, COMPUTING THE STRESS INTENSITY FACTOR (SIF) OF THE CENTRALLY CRACKED ALUMINUM PANELS WHICH HAVE BEEN STIFFENED WITH FINITE ELEMENT METHOD (FEM) IS THE MAIN POINT. MOREOVER, THE MOST IMPORTANT PARTS OF MODELING AND FRACTURE MECHANIC ANALYSIS ARE CONSIDERED THROUGHOUT THE FINITE ELEMENT APPROACH WITH FEM. FURTHERMORE, THE OBTAINED RESULTS ARE VALIDATED WITH SEMI-ANALYTICAL METHOD THAT IS BASED ON LINEAR ELASTIC FRACTURE MECHANIC APPROACH. DISPLACEMENT COMPATIBILITY METHOD IS USED IN ORDER TO CALCULATE THE SIF AND GEOMETRY EFFECT FOR STIFFENED PANELS. IT SHOWS THAT THERE ARE NO CONSIDERABLE DIFFERENCES BETWEEN THESE APPROACHES WHICH ARE INVESTIGATED IN THIS STUDY.

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APA: Copy

Ghayoor, M.H., & Seyyedzadeh, S.. (2014). COMPUTATION OF STRESS INTENSITY FACTOR FOR STIFFENED PANELS. CONFERENCE OF IRANIAN AEROSPACE SOCIETY. SID. https://sid.ir/paper/947786/en

Vancouver: Copy

Ghayoor M.H., Seyyedzadeh S.. COMPUTATION OF STRESS INTENSITY FACTOR FOR STIFFENED PANELS. 2014. Available from: https://sid.ir/paper/947786/en

IEEE: Copy

M.H. Ghayoor, and S. Seyyedzadeh, “COMPUTATION OF STRESS INTENSITY FACTOR FOR STIFFENED PANELS,” presented at the CONFERENCE OF IRANIAN AEROSPACE SOCIETY. 2014, [Online]. Available: https://sid.ir/paper/947786/en

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