Articles | Volume 5, issue 2
Research article
28 May 2020
Research article |  | 28 May 2020

A novel rotor blade fatigue test setup with elliptical biaxial resonant excitation

David Melcher, Moritz Bätge, and Sebastian Neßlinger


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Short summary
When a new rotor blade is designed, a prototype needs to be qualified by testing in two separate directions before it can be used in the field. These tests are time-consuming and expensive. Combining these two tests into one by applying loads in two directions simultaneously is a possible method to reduce time and costs. This paper presents a new computational method, which is capable of designing these complex tests and shows exemplarily that the combined test is faster than traditional tests.