Title : Optimization of Shapes of Shell Structures using FEM as analysis tool

Type of Material: Thesis
Title: Optimization of Shapes of Shell Structures using FEM as analysis tool
Researcher: Alapati, Mallika
Guide: Rao, N V Ramana
Department: Faculty of Civil Engineering
Publisher: Jawaharlal Nehru Technological University, Hyderabad
Place: Hyderabad
Year: 2013
Language: English
Subject: Analysis
Optimization
Shapes
Shell
Structures
Civil Engineering
Engineering and Technology
Dissertation/Thesis Note: PhD; Faculty of Civil Engineering, Jawaharlal Nehru Technological University, Hyderabad, Hyderabad; 2013
Fulltext: Shodhganga

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035__|a(IN-AhILN)th_453737
040__|aJNTU_500028|dIN-AhILN
041__|aeng
100__|aAlapati, Mallika|eResearcher
110__|aFaculty of Civil Engineering|bJawaharlal Nehru Technological University, Hyderabad|dHyderabad|ein|0U-0017
245__|aOptimization of Shapes of Shell Structures using FEM as analysis tool
260__|aHyderabad|bJawaharlal Nehru Technological University, Hyderabad|c2013
300__|c-|dNone|a172 p.
500__|aReferences p. 140.172
502__|bPhD|cFaculty of Civil Engineering, Jawaharlal Nehru Technological University, Hyderabad, Hyderabad|d2013
520__|aThe present work deals with arriving at the optimum shapes of structures with respect to thickness, shape, topology optimization treating them separately and also by combining them. The targets are achieved by integrating geometric modeling, structural analysis,sensitivity analysis and built-in optimization modules.The First part of the thesis aims on optimization based on hicknessnewlineand shape. The illustrative examples considered are the Shell structuresnewlineobtained by inverse technique, cylindrical shells and examples of straight and curved forms of box girder bridges. Inverse technique is the method in which the static analysis is performed and the hanging model is created from the deflection profile which in turn is inverted to get deflection free model as a first step of optimization. These inverse models are further optimized for various objective functions such as minimizing the structural volume, minimizing the weighted frequency etc as singlenewlineobjective optimization. Four cases of sup
650__|aCivil Engineering|2UGC
650__|aEngineering and Technology|2AIU
653__|aAnalysis
653__|aOptimization
653__|aShapes
653__|aShell
653__|aStructures
700__|eGuide|aRao, N V Ramana
856__|uhttp://shodhganga.inflibnet.ac.in/handle/10603/18479|yShodhganga
905__|afromsg

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