elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

Quantification of nonlinear effects in gust load prediction

Kaiser, Christoph and Quero, David and Nitzsche, Jens (2019) Quantification of nonlinear effects in gust load prediction. In: IFASD 2019 - International Forum on Aeroelasticity and Structural Dynamics. IFASD 2019 - International Forum on Aeroelasticity and Structural Dynamics, 10.-13. Juni 2019, Savannah, GA (USA).

[img] PDF
9MB

Abstract

In this paper the quantification of nonlinear effects in the gust load prediction of transport aircraft configurations is addressed. Therefore, multi-disciplinary simulations of unsteady gust encounters are carried out based on Reynolds Averaged Navier-Stokes solutions. Nonlinear aeroelastic gust load analysis employing the Force Summation Method is conducted for the NASA Common Research Model at transonic speed. Additionally, gust loads based on time-linearized CFD are obtained for comparison with the nonlinear loads. Multiple discrete 1-cos gust profiles with different gust amplitudes and gust lenghts are investigated for the analysis of nonlinear effects like the existence of recompression shocks.

Item URL in elib:https://elib.dlr.de/128011/
Document Type:Conference or Workshop Item (Speech)
Title:Quantification of nonlinear effects in gust load prediction
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kaiser, ChristophChristoph.Kaiser (at) dlr.dehttps://orcid.org/0000-0001-9156-8352
Quero, DavidDavid.QueroMartin (at) dlr.deUNSPECIFIED
Nitzsche, JensJens.Nitzsche (at) dlr.dehttps://orcid.org/0000-0002-2742-7368
Date:June 2019
Journal or Publication Title:IFASD 2019 - International Forum on Aeroelasticity and Structural Dynamics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:aeroelasticity, load prediction, nonlinear CFD, time-linearized CFD, gust encounter, transonic flow, NASA common research model
Event Title:IFASD 2019 - International Forum on Aeroelasticity and Structural Dynamics
Event Location:Savannah, GA (USA)
Event Type:international Conference
Event Dates:10.-13. Juni 2019
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Aeroelastic Simulation
Deposited By: Kaiser, Christoph
Deposited On:26 Jun 2019 17:46
Last Modified:31 Jul 2019 20:25

Repository Staff Only: item control page

Browse
Search
Help & Contact
Information
electronic library is running on EPrints 3.3.12
Copyright © 2008-2017 German Aerospace Center (DLR). All rights reserved.