ANALYSIS OF EMBEDDED DELAMINATION GROWTH IN LAMINATED COMPOSITE USING COHESIVE SURFACE METHOD

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FARROKHABADI AMIN; Keypour Sangesari Sara

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Seminar Paper

Paper Information

Seminar: CONFERENCE OF IRANIAN AEROSPACE SOCIETY
Year:2015 | Issue:14

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Title

ANALYSIS OF EMBEDDED DELAMINATION GROWTH IN LAMINATED COMPOSITE USING COHESIVE SURFACE METHOD

Author(s)

FARROKHABADI AMIN | Keypour Sangesari Sara

Keywords

COMPOSITE LAMINATE

ABAQUS

DELAMINATION GROWTH

COHESIVE SURFACE

POST BUCKLING

Abstract

IN THIS PAPER, THE FINITE ELEMENT METHOD (FEM) IS USED TO STUDY THE DELAMINATION GROWTH AND POST BUCKLING OF COMPOSITE LAMINATES CONTAINING EMBEDDED DELAMINATION UNDER THE COMPRESSIVE LOADING. DELAMINATION DECREASES AN ELASTIC BUCKLING LOAD OF THE COMPOSITE STRUCTURES AND LEADS UNEXPECTED STRUCTURAL FAILURE AT LOADS BELOW THE DESIGN LEVEL. THE INVESTIGATED COMPOSITE LAMINATES WHICH ARE MADE OF CARBON FIBER/EPOXY HAVE THE STACKING SEQUENCE OF [90/ (0/90) 3// (0/90) 14] CONTAINING A CIRCULAR AS WELL AS SQUARE DELAMINATION. THE SYMBOL // ILLUSTRATES THE POSITION OF DELAMINATION IN THE LAMINATE. FOR MODELING AND ANALYSIS THE LAMINATE, THE THREE-DIMENSIONAL CONTINUUM SHELL ELEMENTS HAVE BEEN USED VIA THE ABAQUS 6.12 SOFTWARE. FURTHERMORE, THE SURFACEBASED COHESIVE BEHAVIOR IS UTILIZED TO SIMULATE COHESIVE ZONE MODEL (CZM) WHICH IS APPLIED FOR DAMAGE PROPAGATION. IN ADDITION, THE SURFACE TO SURFACE CONTACT HAS BEEN APPLIED IN THE DELAMINATION ZONE TO PREVENT OVERLAPS BETWEEN ELEMENTS THROUGH SIMULATION. TWO DIFFERENT APPROACHES HAVE BEEN ADOPTED TO SOLVE BUCKLING PROBLEM: LINEAR, BASED ON THE SOLUTION OF EIGENVALUES PROBLEM, AND NONLINEAR. THE RIKS METHOD WAS USED TO SOLVE THE NONLINEAR SYSTEM. THE LOAD/DISPLACEMENT BEHAVIOR OF EMBEDDED DELAMINATION GROWTH FOR COMPOSITE LAMINATES IS PRESENTED. RESULTS REPORTED IN THIS STUDY ARE FOCUSED ON THE EFFECTS OF THE SHAPES AND GEOMETRY IMPERFECTIONS ON POST BUCKLING RESPONSE AS WELL AS. VALIDATION OF THE CIRCULAR DELAMINATION SPECIMEN HAS BEEN PERFORMED WITH EXPERIMENTAL AND PREVIOUS NUMERICAL DATA.

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APA: Copy

FARROKHABADI, AMIN, & Keypour Sangesari, Sara. (2015). ANALYSIS OF EMBEDDED DELAMINATION GROWTH IN LAMINATED COMPOSITE USING COHESIVE SURFACE METHOD. CONFERENCE OF IRANIAN AEROSPACE SOCIETY. SID. https://sid.ir/paper/945642/en

Vancouver: Copy

FARROKHABADI AMIN, Keypour Sangesari Sara. ANALYSIS OF EMBEDDED DELAMINATION GROWTH IN LAMINATED COMPOSITE USING COHESIVE SURFACE METHOD. 2015. Available from: https://sid.ir/paper/945642/en

IEEE: Copy

AMIN FARROKHABADI, and Sara Keypour Sangesari, “ANALYSIS OF EMBEDDED DELAMINATION GROWTH IN LAMINATED COMPOSITE USING COHESIVE SURFACE METHOD,” presented at the CONFERENCE OF IRANIAN AEROSPACE SOCIETY. 2015, [Online]. Available: https://sid.ir/paper/945642/en

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