Abstract
Flow-induced vibrations are liable for the majority of failures due to tube wear in process equipment such as steam generator and command gaps that often have weak support conditions. Local impact and sliding may occur. In order to evaluate the wear of the components, we need to compute adequately the localized contact forces and other parameters. In this paper a technique for solving friction-gap problems in tube support structures is described. The technique can be applied to various problems and allows a quite reasonable computation time.
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