Type of Document Master's Thesis Author Servaites, Joseph Charles URN etd-5024212489622671 Title Computer Aided Analysis of Smoke Stack Designs Degree Master of Science Department Mechanical Engineering Advisory Committee
Advisor Name Title Dancey, Clinton L. Mitchiner, Reginald G. Mitchell, Larry D. Committee Chair Keywords
- transfer matrix
- tapered beam
- vortex shedding
Date of Defense 1996-09-01 Availability unrestricted AbstractThe purpose of this research is to analyze the statics and dynamics of steel smoke
stacks subject to excitation by aerodynamic forces. The wind loads experienced by
smoke stacks arise from various phenomenon, the most prominent of which are static
drag load, vortex shedding, and atmospheric turbulence. The nature of these loading
sources around a cylinder are studied in detail. Both static and dynamic loads are
capable of producing large tip deflections, and are of the most prominent design
criteria for stack designers. A computer program, STACK1, has been created by
modifying an existing analysis code, BEAM8, to be used specifically for stack analysis.
This analysis code utilizes the transfer matrix method to perform detailed bending
and vibration analyses. This new software has been developed to check stack designs
for compliance with appropriate steel stack standards, and provide the designer with
information regarding the static and dynamic response of the structure. A detailed
analysis is performed to demonstrate the validity of approximating a tapered
Timoshenko beam with a series of continuous, constant cross-section beams.
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