8 results ·
● Live web index
M
mdpi.com
article
https://www.mdpi.com/1996-1073/18/5/1195
Aerodynamic and Vibration Characteristics of Iced Power Transmission Conductors in a Nonuniform Wind Field Based on Unsteady Theory. permission is required to reuse all or part of the article published by MDPI, including figures and tables. This paper investigates the aeroelastic behaviour of a full wind turbine model with realistic blade vibration amplitude (9% span) using a nonlinear frequency-domain solution method. The primary objective is to demonstrate the computational efficiency of this method for an aeroelastic analysis compared to resource-intensive time-domain approaches. The frequency-domain method was then validated against a conventional time-domain method, comparing aerodynamic damping and unsteady pressure distributions, with strong agreement observed. Results show a more complex unsteady pressure distribution at 324.5 RPM compared to 424.5 RPM, directly affecting aerodynamic damping. Aeroelastic analyses of a wind turbine with a relatively large amplitude blade structural oscillation at different rotational speeds are performed using the nonlinear frequency-domain method in this paper.
S
scribd.com
article
https://www.scribd.com/document/933765088/Abstract
On this project, a aeroelastic software for the simulation of horizontal axis wind turbines under steady and turbulent wind in the time domain
R
repository.tno.nl
article
https://repository.tno.nl/SingleDoc?docId=36540
TURBU is a fast fully integrated wind turbine design and analysis tool, time domain (simulations). It is used to identify the sea states contributing to
S
sciencedirect.com
article
https://www.sciencedirect.com/science/article/pii/S1000936120303496
A theoretical formulation for time-domain nonlinear aeroelastic analysis of a flexible wing model is presented and validated by wind tunnel tests.
R
researchgate.net
research
https://www.researchgate.net/publication/363420108_Time-domain_Analytical_Met…
This paper deals with the development of a novel time-domain analytical method to perform an aeroelastic stability analysis of a high aspect
C
c3.ndc.nasa.gov
official
https://c3.ndc.nasa.gov/dashlink/static/media/other/RTO-2008-Aeroelastic_Anal…
This higher level of structural and aerodynamic modeling is Aeroelastic Analysis by Coupled Non-linear Time Domain Simulation 24 - 2 RTO-MP-AVT-154 especially required if in transonic and viscous or even separated flow complex shock motions, limit cycle oscillations (LCO) or large deflections occur. Figure 13: CFD and FE models of the A340-300 configuration The advantages of the modal approach are: • For the structure n eigenmodes and eigenvalues have to be computed only once (MSC Nastran Aeroelastic Analysis by Coupled Non-linear Time Domain Simulation RTO-MP-AVT-154 24 - 13 SOL 103) • Only these eigenmodes have to be interpolated to the CFD surface. TRANSONIC DIP AND LIMIT CYCLE OSCILLATIONS OF THE NLR7301 AIRFOIL Wind tunnel data from DLR tests [14][15] for the supercritical NLR7301 airfoil are applied for assessment of unsteady aerodynamics in separated flow (buffet) and of fluid-structure coupling tools, for nonlinear Aeroelastic Analysis by Coupled Non-linear Time Domain Simulation RTO-MP-AVT-154 24 - 15 transonic flutter (LCO).
N
nlr.gov
official
https://www.nlr.gov/docs/libraries/wind-docs/session_8_zahle_aero_elastic_opt…
Values evaluated with nonlinear time domain simulations. ♢ Dashed vertical lines indicate the wind speed where the constraint is present in the optimization. 10.
O
orbit.dtu.dk
article
https://orbit.dtu.dk/files/103642130/leob_ID11_Torque12.pdf
The paper presents an analysis of the aeroelastic loads on a wind turbine in normal operation. The characteristic of the loads causing the highest fatigue