الفهرس 
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Abstract
SIAbIlITY AND VIBRATION OF FOLDED PLAlES Folded plates are used nowadays on a large scaleto replace. stiffened plates as bulkheads in bulk carriers and oil tankers.l’nese folded plate bulkheads tend to• bucKle due to the deck and the bottom hydrostatic loads or the lateralload s”. They also tend to vibrate due to the excitation
of the main ana auxiliary en5ines or other excitation 80urces.There are different approachs for anaiysing the stability and. vibration of piate. structure.. which can be. classified into two groups: 1- Analytical APproaches. 2- Numerical Approaches.
’l’nese were. covered. in chapter 1. I t was f”ound. tna t f’or analysing the buckling a.nd vibration of prismatic structuras t f’olded plates) with simply supyorted ends, the exact finite strip metnod has many ad vant3.ges. T.l:lis met.l1od was described and verii”ied in chaj,;ter 11. It was found that the most important o.esign parameters which affect the properties and configuration of folded plates are.:1- The half perimeter the f’olded plate.2-Thedepth the corrugation.
3-The thickness of the. folded plate..
4-The corrugation angle.