Finite element stability analysis of square arall and glare panels subjected to shear

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TypeTechnical Report
Series titleLaboratory Technical Report (National Research Council Canada. Institute for Aerospace Research); no. LTR-ST-1944
AbstractThe finite element software NISA was employed for a comparative study of shear buckling strengths of the ARALL and GLARE laminates currently available in the market. The effect of varying angles of fiber reinforcement on the anisotropic buckling behaviour of each laminate was determined. The loading conditions considered are those of uniform stresses applied along the edges and an applied shear displacement between opposite edges of the plate. Both simply supported and clamped end conditions were studies. The influence of varying prepreg volume ratios in different thickness configurations was also studied. The results indicate that a volume to volume replacement of conventional alloys by fiber metal laminates will result in panels with lower shear buckling strengths. On the other hand, compared to aluminum panels of equal weight GLARE and ARALL laminates are stronger in shear buckling, by 5% and 20%, respectively.
Publication date
PublisherNational Research Council Canada. Institute for Aerospace Research
AffiliationNRC Institute for Aerospace Research; National Research Council Canada
Peer reviewedNo
NPARC number23002504
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Record identifier2ec86ae9-1522-47b1-95d1-74013e70a0af
Record created2017-11-20
Record modified2017-11-23
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