02631nam a2200397 4500 20260818095401.0 240798 th eng .b10072524 AIT Thesis no. ST-91-18 Pruettha Nanakorn An efficient degenerated element for large-displacement analysis of thin-walled structures Bangkok : Asian Institute of Technology, 1991 71, A-17, B-2 p. Thesis ; no. ST-91-18 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Engineering and Technology Thesis (M.Eng.) - Asian Institute of Technology, 1991 In this study, a six-node degenerate finite element for geometrically nonlinear analysis of thin-walled structures is developed by using assumed strain method for the a:ansverse shear term and the reduced integration technique for the inplane shear term. The class of combined flexural and torsional problems is considered. The element is degenerated from the three dimensional field equations, using certain assumptions justified for thin-walled sections, so that effects of warping restrained conditions can be fully accommodated. The nonlinear analysis is referred to the total Lagrangian configuration. The nonlinear equilibrium equation is solved by using the linearization by the Newton-Rapson iteration process.Various numerical examples are presented to demonstrate the versatility and the effectiveness of the element. Thin-walled structures Worsak Kanok-Nukulchai, Chairperson Yamaguchi, Hiroki, Examination Committee Maekawa, Koichi, Examination Committee Kamol Vajarasathira, Examination Committee Australian Government Scholarship, Scholarship Donor Asian Institute of Technology. Thesis ; no. ST-91-18 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B17711 .b10072524 mnait s 240410 2 951012 m a s 3 mnait mnarc 20 40 Barcode : 30050003065322 CREATED : 1995-10-13 RECORD # : i10071222 LPATRON : 1017202 LCHKIN : 2006-11-03 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 2 TOT RENEW : 1 Barcode : 30050160022546 CREATED : 2016-04-04 RECORD # : i12922316 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 35549 35549 0 0 0 0 MAIN MAIN mnait 2026-08-18 10.00 0 AIT Thesis no. ST-91-18 30050003065322 2026-08-18 09:54:01 1 2026-08-18 20 0 0 0 0 MAIN MAIN mnarc 2026-08-18 0 AIT Thesis no. ST-91-18 30050160022546 2026-08-18 09:54:01 1 2026-08-18 40