… (ie, non-vibrational) blade displacement offset due to aerodynamic loading and axial position
[… vibration analysis and uncertainty estimation is an important step towards replacing strain …

… resulting in high-cycle fatigue, which is the main source of blade … test was conducted to verify
the proposed multi-mode strain … The 4EO1M vibration can be excited by aerodynamic force …

… flapping kinematics and measure strain rather than displacement… work, we retain either one
or two vibration modes in order to … We then conduct a modal analysis to determine the wing's …

… free-vibration analysis or extracted from a ground vibration test (… aerodynamics [19]. In reality
(in flight, or in a wind-tunnel … As noted in section 2.1, we assume that one significant source …

… to anticipate stresses and strains during wind tunnel testing. … Each figure depicts the first
three nonrotating vibratory modes … aerodynamic panels are meant only for an initial assessment …

… testing is performed to measure rotor frequencies and strains … line aerodynamics to predict
dynamic 3-D stresses and strains… the strain signal is dynamic, potentially due to shaft vibration, …

… The parameter of filter width, which should be larger than the number of frequency bins in
each tone, is taken as 120 in this paper for all test conditions. The total and broadband noise …

… source of aerodynamic excitation. To clarify the mechanism of the non-synchronous vibration,
the coupling between aerodynamic … the frequency spectra from the strain gauge signal. Jet …

… , an engine test was also conducted on a ground test stand to verify strain and vibration levels
in … Apart from aerodynamic forces, another source of stress are vibrations due to a working …

… Its capabilities for vibration measurement and modal analysis … During this test, two light
sources were employed to achieve … In particular, the small strain condition was checked through …