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035 _a.b11876165
099 9 _aAIT Thesis no.ST-02-16
100 1 _aLomboy, Gilson Rescober
245 1 0 _aDynamic analysis of large deformation shells
260 _aBangkok :
_bAsian Institute of Technology,
_c2002
300 _a48, 10 leaves
490 1 _aThesis ;
_vno. ST-02-16
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Civil Engineering
502 _aThesis (M.Eng.) - Asian Institute of Technology, 2002
520 _aThe Hilbur-Hughes-Taylor method is implemented in XFINAS to analyze nonlinear dynamic shell problems. Two types of shell elements were made available for this purpose, an eight node co-rotational element developed by Kim (2002) and a new four-node shell element, XSHELL24. Two new shell elements with explicit tangent stiffness and internal force vector are developed, XSHELL20 and its extension, XSHELL24. The first has five degrees of freedom per node and the other has six degrees of freedom per node. Mass matrices were formulated for XSHELL24. One type was formed by lumping masses at the nodes and neglecting rotational inertia and the other was formed by the use of interpolation functions. Validation of the new shell elements was made through the patch test and various linear and nonlinear benchmarks. The two new shell elements provide reasonable results to most problems when compared with some standard four-node shell elements. The weaknesses of the two shell elements are also discussed.
650 1 0 _aShells
650 1 0 _aNonlinear theories
700 1 _aKim, Kidu,
_eChairperson
700 0 _aWorsak Kanok-Nukulchai,
_eExamination Committee
700 1 _aBarry, William Joseph,
_eExamination Committee
710 2 _aAsian Institute of Technology (partial),
_eScholarship donor
710 2 _aMapua Institute of Technology (partial),
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. ST-02-16
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B07538
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