02770nam a2200397 4500 20260818095425.0 250398 th eng .b10233520 AIT Thesis no. 1339 Rao, Vakkalagadda Venkata Sreedhara Elastic stability analysis of stiffened and unstiffened sector plates using FEM Bangkok : Asian Institute of Technology, 1978 52 p. Thesis ; no. 1339 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand Thesis (M.Eng.) - Asian Institute of Technology,1978 Finite element techniques are applied to in-plane, out-of-plane and buckling analyses of stiffened and unstiffened sector plates. An annular sector element with four nodes is considered in the analysis. The number of kinematic degrees-of-freedom per node is taken as two and four for in plane and out-of-plane analyses respectively. An attempt is made to develop a new in-plane sector element (PSR element). The PSR element has all its rigid body modes incorporated in its assumed displacement field. Numerical results of a few plane-stress problems are compared with the analytic solutions as well as those obtained by the most recently developed elements to prove the superiority of the proposed PSR element. A comparison of the results for the buckling analysis of stiffened and unstiffened sector plates is also made with the known analytical solutions. The proposed method is found to give very accurate results even with a coarse mesh due to the in corporation of the exact rigid body modes of a sector element. Finite element method Elastic plates and shells Usami, Tsutomu, chair, Chairperson Panitan Lukkunaprasit, Co-Chairpeson Pama, Ricardo P., Examination Committee Royal Netherland Government, Scholarship Donor Asian Institute of Technology. Thesis ; no. 1339 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B22936 .b10233520 mnait x 251028 2 951012 m a x 0 mnait mnarc 20 40 Barcode : 30050003026068 CREATED : 1994-05-17 RECORD # : i10285003 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050160082706 CREATED : 2016-05-13 RECORD # : i12977329 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 35712 35712 0 0 0 0 MAIN MAIN mnait 2026-08-18 0 AIT Thesis no. 1339 30050003026068 2026-08-18 09:54:25 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. 1339 30050160082706 2026-08-18 09:54:25 2026-08-18 40