Results 21 to 30 of about 11,252 (231)
Measurement of FRFs and Modal Identification in Case of Correlated Multi-Point Excitation
Shock and Vibration, 2008 The modal identification of large and dynamically complex structures often requires a multi-point excitation. Sine sweep excitation runs are applied when it is necessary to concentrate more energy on each line of the frequency spectrum.
U. Fuellekrug +3 more
doaj +1 more source
Reduction of boundary value problem to Possio integral equation in theoretical aeroelasticity [PDF]
, 2008 The present paper is the first in a series of works devoted to the solvability of the Possio singular integral equation. This equation relates the pressure distribution over a typical section of a slender wing in subsonic compressible air flow to the ...
Balakrishnan, A. V., Shubov, Marianna A.
core +3 more sources
Geometrical Nonlinear Aeroelastic Stability Analysis of a Composite High-Aspect-Ratio Wing
Shock and Vibration, 2008 A composite high-aspect-ratio wing of a high-altitude long-endurance (HALE) aircraft was modeled with FEM by MSC/NASTRAN, and the nonlinear static equilibrium state is calculated under design load with follower force effect, but without load ...
Chang Chuan Xie +2 more
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Numerical Simulations on Unsteady Nonlinear Transonic Airfoil Flow
Aerospace, 2020 Large-amplitude excitations need to be considered for gust load analyses of transport aircraft in cruise flight conditions. Nonlinear amplitude effects in transonic flow are, however, only marginally taken into account.
Diliana Friedewald
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, 2012 This chapter deals with the basic principles of aeroelasticity theory (Theodorsen theory) and how these can be applied to bridge structures with sensitive deck shapes. The most common aerodynamical models with two or three forces as well as buffeting forces are briefly presented.
openaire +2 more sources
Aerospace, 2022 The tiltrotor wing structure is one of the most critical and heavily investigated structures in design due to the fundamental need to consider the interactions between the wing, pylon, and rotor systems to achieve aircraft aeroelastic stability.
Aniello Daniele Marano +8 more
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Time-domain harmonic balance method for aerodynamic and aeroelastic simulations of turbomachinery flows [PDF]
, 2013 A time-domain Harmonic Balance method is applied to simulate the blade row interactions and vibrations of state- of-the-art industrial turbomachinery configurations. The present harmonic balance approach is a time-integration scheme that turns a periodic
Besicovitch A.S. +5 more
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Aerospace, 2019 Aeroelasticity belongs to the larger family of fluid-structure interaction problems that are characterized by the interplay between a fluid and deforming body [...]
Andrea Da Ronch
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Evolution Semigroups in Supersonic Flow-Plate Interactions [PDF]
, 2012 We consider the well-posedness of a model for a flow-structure interaction. This model describes the dynamics of an elastic flexible plate with clamped boundary conditions immersed in a supersonic flow.
Balakrishnan +44 more
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Eliminating flutter for clamped von Karman plates immersed in subsonic flows [PDF]
, 2014 We address the long-time behavior of a non-rotational von Karman plate in an inviscid potential flow. The model arises in aeroelasticity and models the interaction between a thin, nonlinear panel and a flow of gas in which it is immersed [6, 21, 23 ...
Lasiecka, Irena, Webster, Justin T.
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