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Title: A user`s manual for the program TRES4: Random vibration analysis of vertical-axis wind turbines in turbulent winds

Abstract

TRES4 is a software package that works with the MSC/NASTRAN finite element analysis code to conduct random vibration analysis of vertical-axis wind turbines. The loads on the turbine are calculated in the time domain to retain the nonlinearities of stalled aerodynamic loadings. The loads are transformed into modal coordinates to reduce the number of degrees of freedom. Power spectra and cross spectra of the loads are calculated in the modal coordinate system. These loads are written in NASTRAN Bulk Data format to be read and applied in a random vibration analysis by NASTRAN. The resulting response is then transformed back to physical coordinates to facilitate user interpretation.

Publication Date:
Research Org.:
Sandia National Labs., Albuquerque, NM (United States); Malcolm (David) Associates, Inc., Mississauga, ON (Canada)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
143973
Report Number(s):
SAND-93-7015
ON: DE94009012
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Mar 1994
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; 99 MATHEMATICS, COMPUTERS, INFORMATION SCIENCE, MANAGEMENT, LAW, MISCELLANEOUS; WIND TURBINES; MECHANICAL VIBRATIONS; MANUALS; T CODES; FINITE ELEMENT METHOD; TURBULENCE; FREQUENCY ANALYSIS

Citation Formats

NONE. A user`s manual for the program TRES4: Random vibration analysis of vertical-axis wind turbines in turbulent winds. United States: N. p., 1994. Web. doi:10.2172/143973.
NONE. A user`s manual for the program TRES4: Random vibration analysis of vertical-axis wind turbines in turbulent winds. United States. doi:10.2172/143973.
NONE. Tue . "A user`s manual for the program TRES4: Random vibration analysis of vertical-axis wind turbines in turbulent winds". United States. doi:10.2172/143973. https://www.osti.gov/servlets/purl/143973.
@article{osti_143973,
title = {A user`s manual for the program TRES4: Random vibration analysis of vertical-axis wind turbines in turbulent winds},
author = {NONE},
abstractNote = {TRES4 is a software package that works with the MSC/NASTRAN finite element analysis code to conduct random vibration analysis of vertical-axis wind turbines. The loads on the turbine are calculated in the time domain to retain the nonlinearities of stalled aerodynamic loadings. The loads are transformed into modal coordinates to reduce the number of degrees of freedom. Power spectra and cross spectra of the loads are calculated in the modal coordinate system. These loads are written in NASTRAN Bulk Data format to be read and applied in a random vibration analysis by NASTRAN. The resulting response is then transformed back to physical coordinates to facilitate user interpretation.},
doi = {10.2172/143973},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {3}
}