Affiliation:
1. e-mail:
2. e-mail: Department of Mechanical Engineering, Av. Prof. Mello Moraes, 2231, University of São Paulo, 05508-970 São Paulo, SP, Brazil
Abstract
In the optimization or parametric analyses of risers, several configurations must be analyzed. It is laborious to perform time domain solutions for the dynamic analysis, since they are time-consuming tasks. So, frequency domain solutions appear to be a possible alternative, mainly in the early stages of a riser design. However, frequency domain analysis is linear and requires that nonlinear effects are treated. The aim of this paper is to present a possible way to treat some of these nonlinearities, using an iterative process together with an analytical correction, and compare the results of a frequency domain analysis with the those of a full nonlinear analysis.
Subject
Mechanical Engineering,Ocean Engineering
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