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Interval Eigenvalue Analysis for Structures with Interval Parameters by Su Huan Chen; Hua Dong Lian; Xiao Wei Yang is a Engineering article available to read on EtoBox.

What is Interval Eigenvalue Analysis for Structures with Interval Parameters about?

In this paper, a new method to solve the uncertain eigenvalue problem of structures with interval parameters is presented. The expressions of the interval sti ness matrix and interval mass matrix are developed directly from the interval parameters. With matrix perturbation and interval extension theory, the algorithm for interval eigenvalue analysis is discussed. The computations are based on the element level thus simplifying the calculations greatly, while the sharp bounds are guaranteed by the interval operations. Two numerical examples, a box cantilever beam and an automobile frame both with interval parameters, are given to show the validity of the presented method.

Who reads Interval Eigenvalue Analysis for Structures with Interval Parameters?

Author

Su Huan Chen; Hua Dong Lian; Xiao Wei Yang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0168-874X)

Published

2003

Language

EN

Field

Engineering (Physical Sciences)