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1. Introduction
• Complex Structures:
• Has Large Scale Complexity
• Use Complex Structural Analysis
• Has Irregular Geometry
• Cylindrical Shell Structures
I. Analytical Solution
1. Use of Differential Equations of Equilibrium
2. Membrane and Moment Theory
3. ASCE Manual No 31
II. Program Block Solution
1. Analytical Solution Based Programs
III. Software Solution
1. SAP 2000 Solution
2. Finite Element Analysis

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2. Complex Structures in the Research
i) Simply Supported Cylindrical Shell ii) Simply Supported Continuous Shell iii) Simply Supported Multiple Barrel Shell

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3. Objectives of Research
The main purpose of this thesis is to observe the structural parameters in comparative forms in SAP2000 and
Program Block Code. The specific objectives of the research work are:
a) To analyze and observe the various structural parameters of Simply Supported Single Barrel Cylindrical Shell,
Simply Supported Continuous Shell, Simply Supported Multiple Barrel Shell using the analytical based
program approach and FEM based software approach.
b) To evaluate structural response of the structures for live and dead loads.
c) To observe parametric variation of the multiple barrel shell using the program developed.
d) To check the precision and limitations of FEM based software for the structures.

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4. Methodology Literature Review
Analyze Simply Supported Cylindrical Shell Analytically
Compare the Analytical Result With FEM Result using SAP2000
Increase Complexity in the Simply Supported Shell by
making it Continuous and Multiple Barrel and Analyze both
of them using analytical based program code
Perform Numerical Solution (FEM) of the complicated
structures using SAP2000
Does the Solution
from the two types
of Analysis
matched?
Conclusion and Recommendation
Perform Parametric Analysis of
Interior Barrel of Multiple Barrel
Shell using the Program Developed
Yes
No