1994 Volume 59 Issue 458 Pages 137-143
The purpose of this paper is to clarify the strength characteristics of circular tubes with outer constraints by stub column tests and numerical analysis. The circular tube is constrained by another circular tube outside. It is noted that the outer constraint are effective as the short clearance between the circular tubes. In this paper an analytical method for geometrically and materially nonlinear contact problems of thin continua is applied. The penalty method is used for the estimation of the contact. It is shown that the results obtained by this analysis well explain the experimental test data.
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