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008			250398 th eng
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099		9	_aAIT Thesis no. 1339
100	1		_aRao, Vakkalagadda Venkata Sreedhara
245	1	0	_aElastic stability analysis of stiffened and unstiffened sector plates using FEM
260			_aBangkok : _bAsian Institute of Technology, _c1978
300			_a52 p.
490	1		_aThesis ; _vno. 1339
500			_aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering of the Asian Institute of Technology, Bangkok, Thailand
502			_aThesis (M.Eng.) - Asian Institute of Technology,1978
520			_aFinite 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.
650		0	_aFinite element method
650		0	_aElastic plates and shells
700	1		_aUsami, Tsutomu, _echair, _eChairperson
700	0		_aPanitan Lukkunaprasit, _eCo-Chairpeson
700	1		_aPama, Ricardo P., _eExamination Committee
710	2		_aRoyal Netherland Government, _eScholarship Donor
810	2		_aAsian Institute of Technology. _tThesis ; _vno. 1339
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B22936
907			_a.b10233520 _bmnait _cx
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