Thermal flutter prediction at trajectory points of a hypersonic vehicle based on aerothermal synchronization algorithm
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105381
Abstract: Abstract Due to orders of magnitude differences in time scale between structural heat transfer and aeroelastic responses, one-way aerothermal-aeroelastic coupling is adopted to develop a thermal flutter prediction method for a hypersonic vehicle operating along… read more here.
Keywords: trajectory; thermal flutter; hypersonic vehicle; flutter prediction ... See more keywords
Multioutput Autoregressive Aeroelastic System Identification and Flutter Prediction
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Aircraft"
DOI: 10.2514/1.c034789
Abstract: The paper presents a methodology for reduced-order modeling of aeroelastic systems identification and flutter prediction. The aeroelastic system is modeled as a multioutput autoregressive process, ... read more here.
Keywords: flutter prediction; identification flutter; multioutput autoregressive; aeroelastic system ... See more keywords
Wind-Tunnel Study of the Autoregressive Moving-Average Flutter Prediction Method
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Aircraft"
DOI: 10.2514/1.c035203
Abstract: This paper presents an experimental study of flutter prediction via autoregressive moving-average (ARMA) system identification and the use of a linear stability parameter. System identification at ... read more here.
Keywords: moving average; autoregressive moving; flutter prediction; wind tunnel ... See more keywords
Aeroelastic Flutter Prediction Using Multifidelity Modeling of the Generalized Aerodynamic Influence Coefficients
Sign Up to like & getrecommendations! Published in 2020 at "AIAA Journal"
DOI: 10.2514/1.j059208
Abstract: This work proposes a multifidelity modeling approach for predicting aeroelastic flutter of airfoils and wings. Using aerodynamic models based on the doublet-lattice method and time-accurate Euler e... read more here.
Keywords: flutter prediction; prediction using; aeroelastic flutter; multifidelity modeling ... See more keywords
Efficient Flutter Prediction Using Reduced-Order Modeling
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DOI: 10.2514/1.j060006
Abstract: Typical aerodynamic shape optimization and multidisciplinary optimization algorithms omit high-fidelity flutter predictions due to the associated computational costs. This paper presents a model or... read more here.
Keywords: prediction using; reduced order; efficient flutter; flutter prediction ... See more keywords