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ELASTIC BUCKLING OF PLATES UNDER IN-PLANE PATCH LOADING USING FINITE DIFFERENCE METHOD | ||
| journal of kerbala university | ||
| Article 1, Volume 8, Issue 0, 2012, Pages 142-150 PDF (0 K) | ||
| Author | ||
| Jawad T. Abodi | ||
| Abstract | ||
| The present study investigates the problem of linear buckling of thin steel plates subjected to in-plane patch compression loading. The stability problem treated using finite difference method. The present procedure is general and applicable to the buckling and free vibration of thin rectangular plates with various thickness variations. The influences of thickness variation, plate aspect ratios, and boundary conditions, and length of patch loading on the buckling load are shown graphically. The plate was analyzed with different tapering ratios (ta/to) (1.0, 1.25, 1.5, 1.75, and 2.0), so different lengths of axial patch loading (bp/b)(1.0-0.4) were taken. A comparison with previous works is made. Finally, it is shown that the buckling load factor will increase with decreasing length of axial patch loading where the decreasing the length of axial patch loading to 0.4 will increase the buckling load factor by about 40% for plate with aspect ratio (a/b=1) and tapering ratio (ta/to=1.0). | ||
| Keywords | ||
| Linear buckling; Thin plates; Tapered plates; Patch compression; Finite Difference method | ||
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