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RISErratum: “The Band Gap Formation in Rotors With Longitudinal Periodicity and Quasi-Periodicity” [ASME J. Eng. Gas Turbines Power, 2022, 144(5), p. 051003; DOI: 10.1115/1.4053193]
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Equation (10) gives ∑j=1nf(xj)≈1Δx∫0Lf(x) dxwhere f(xj)=mjρALϕi(xj)ϕk(xj)Considering that all disks have the same mass mD, then f(xj)=mDρALϕi(xj)ϕk(xj)Hence, from Eq. (10) (11)∑j=1NDmDρALϕi(xj)ϕk(xj)≈1Δx∫0LmDρALϕi(x)ϕk(x ...
Optimization of Band Gaps in Rotors With Longitudinal Periodicity and Quasi-Periodicity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Structures with inertia periodicity present the phenomenon of band gap formation, i.e., the appearance of regions in the frequency spectrum with a higher modal spacing and lower vibration response. Rotating machines can ...