Computer Analysis of Wind Turbine Blade Dynamic Loads

R. W. Thresher, A. D. Wright, E. L. Hershberg

Research output: Contribution to journalArticlepeer-review

13 Scopus Citations


The flapping motion of a single wind turbine rotor blade has been analyzed and equations describing the flapping motion have been developed. The analysis was constrained to allow only flapping motions for a cantilevered blade, and the equations of motion are linearized. The blade deflection, slope and velocity, flapwise shear and moment, edgewise shear and moment, blade tension, and blade torsion are given. The deterministic excitations considered in the analysis include wind shear, tower shadow, gravity, and a prescribed yaw motion.

Original languageAmerican English
Pages (from-to)17-25
Number of pages9
JournalJournal of Solar Energy Engineering, Transactions of the ASME
Issue number1
StatePublished - 1986

Bibliographical note

Work performed by Solar Energy Research Institute Wind Energy Research Center, Golden, Colorado and Techtronics Incorporated, Beaverton, Oregon

NREL Publication Number

  • ACNR/JA-214-7527


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