Analysis of low-profile flange is based on thin shell theory and simple ring theory. Program produces comprehensive design procedure with subsequent stress and deformation analysis. Program was written in FORTRAN IV for UNIVAC 1108 computer

Prasthofer, W. P.

English

NASA Technical Reports Server

May 1974	 B74-10033 
NASA TECH BRIEF
A	 11 
Marshall Space Flight Center 
NASA Tech Briefs announce new technology derived from the U.S. space program. They are issued to encourage 
commercial application. Tech Briefs are available on a subscription basis from the National Technical Information 
Service, Springfield, Virginia 22151. Requests for individual copies or questions relating to the Tech Brief program may 
be directed to the Technology Utilization Office, NASA, Code KT, Washington, D.C. 20546. 
Design Standards for Low-Profile Flanges 
The problem: 
It was necessary to establish design procedures for a 
lighter and more leak-resistant flange. 
The solution: 
A design procedure was devised by considering the 
strength of the flange ring cross section as the design 
criteria. 
How it's done: 
The analysis of a low-profile flange is based on the 
• thin shell theory and the simple ring theory. The 
program will produce a comprehensive design procedure 
with a subsequent stress and deformation analysis. The 
output analysis will display which designs are sound and 
which design parameters need to be changed.
Notes: 
1. This program was written in FORTRAN IV for the 
UNIVAC 1108 computer. 
2. Inquiries concerning this program should be directed 
to:
COSMIC 
112 Barrow Hall 
University of Georgia 
Athens, Georgia 30601 
Reference: MFS-22708
Source: W. P. Prasthofer
Marshall Space Flight Center
(MFS-22708) 
Category 09,06 
This document was prepared under the sponsorship of the National 	 Government assumes any liability resulting from the use of the 
Aeronautics and Space Administration. Neither the United States 	 information contained in this document, or warrants that such use 
Government nor any person acting on behalf .of the United States 	 will be free from privately owned rights.
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Design standards for low-profile flanges

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