1-20 of 360
Keywords: damping
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2024, 146(2): 021001.
Paper No: VIB-24-1006
Published Online: May 15, 2024
...) by employing sector-level calculations. This results in substantial reductions in computational efforts while maintaining accurate predictions of forced responses. Graphical Abstract Figure split ring damper frictional energy dissipation blade mistuning blade detuning damping dynamics...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. February 2024, 146(1): 014501.
Paper No: VIB-23-1375
Published Online: May 15, 2024
... vessels and result in strong vibrations of measuring instruments. Placing a porous material inside a tube with a goal to increase acoustic damping or attaching a small resonator to the main tube are some of the possible ways to suppress or mitigate Taconis effects. However, when the porous inserts...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2024, 146(1): 011003.
Paper No: VIB-23-1252
Published Online: April 4, 2024
...Jamal Ardister; Fatemeh Afzali; Brian F. Feeny We study the primary resonance of a parametrically damped Mathieu equation with direct excitation. Potential applications include wind-turbine blade vibration with cyclic stiffening and aeroelastic effects, which may induce parametric damping...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2023, 145(6): 061004.
Paper No: VIB-23-1140
Published Online: November 22, 2023
... of the magnitude curve by means of an FS model is possible. The phase curve by Håkansson et al., however, is substantially different from the previous ones in the mass-governed high-frequency range where the phase angle never exceeds 40 deg, indicating very high damping values. It is not clear if this behavior...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2023, 145(6): 061003.
Paper No: VIB-23-1169
Published Online: October 13, 2023
... and A coustics . 15 06 2023 23 09 2023 24 09 2023 13 10 2023 damping modal analysis stability Combustion systems can exhibit undesired behavior in the form of oscillating pressure and heat release rates. The noisy combustion seen initially morphs into a discrete toned...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. June 2023, 145(3): 031008.
Paper No: VIB-22-1313
Published Online: February 28, 2023
...John W. Sanders; Daniel J. Inman Many oscillatory systems of engineering and scientific interest ( e.g. , mechanical metastructures) exhibit nonproportional damping, wherein the mass-normalized damping and stiffness matrices do not commute. A new modal analysis technique for nonproportionally...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2022, 144(5): 051011.
Paper No: VIB-22-1030
Published Online: May 13, 2022
...J. Gregory McDaniel; Alyssa Liem; Allison Kaminski Over the past century, a number of scalar metrics have been proposed to measure the damping of a complex system. The present work explores these metrics in the context of finite element models. Perhaps the most common is the system loss factor...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2022, 144(4): 041006.
Paper No: VIB-21-1268
Published Online: February 21, 2022
...K. P. McNamara; J. S. Love; M. J. Tait The nonlinear response of a series-type pendulum tuned mass damper-tuned liquid damper (TMD-TLD) system is investigated in this study. The TLD is mounted on the pendulum TMD in series to remove the need for costly viscous damping elements. Since the response...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2022, 144(4): 041002.
Paper No: VIB-21-1321
Published Online: January 13, 2022
... that this is due to a considerable increase of damping, caused by the sensor cables, affecting mainly the higher-frequency modes. damping dynamics non-linear vibration Laser Doppler vibrometers direct a laser beam on the point of interest. The laser beam is reflected from the moving surface...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. December 2021, 143(6): 064502.
Paper No: VIB-20-1429
Published Online: May 4, 2021
... ( 1 ), p. 011304 . 10.1115/1.4034370 [12] Cotterill , P. A. , Nigro , D. , Abrahams , I. D. , Garcia-Neefjes , E. , and Parnell , W. J. , 2018 , “ Thermo-Viscous Damping of Acoustic Waves in Narrow Channels: A Comparison of Effects in Air and Water ,” J. Acoust. Soc. Am...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2021, 143(4): 041014.
Paper No: VIB-20-1483
Published Online: April 2, 2021
... system by a set of spring and damping elements. A complex coordinate notation was helpful to make a concise physical description of the in-phase and out-of-phase wobbling motions between the bodies. If its properties are properly adjusted, all modes interact (indicating veering or crossings between...
Journal Articles
Publisher: ASME
Article Type: Design Innovation Paper
J. Vib. Acoust. October 2021, 143(5): 055001.
Paper No: VIB-20-1411
Published Online: January 22, 2021
...., Ltd. for useful discussions. There are no conflicts of interest. Email: yuki_koike@jp.honda Email: shingo_tsuruoka@jp.honda damping dynamics machine dynamics modal analysis structural dynamics and control vibration control Brush cutters are handheld machines...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2021, 143(5): 051012.
Paper No: VIB-20-1432
Published Online: January 22, 2021
...Hangyuan Lv; Michael J. Leamy This paper explores the addition of small stubs with anechoic terminations (termed herein “anechoic stubs”) as a means of damping and/or removing vibration modes from planar frame structures. Due to the difficulties associated with representing anechoic boundary...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2021, 143(4): 041010.
Paper No: VIB-20-1305
Published Online: December 8, 2020
... identification process of two moving loads. The effects from moving loads’ traveling direction, measurement location arrangements, number of participant measurements, and damping ratios are considered in the studies under noisy disturbance conditions. Results show that the stiffness of the translational...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. August 2021, 143(4): 041003.
Paper No: VIB-20-1038
Published Online: November 10, 2020
... the response characteristics of a linear oscillator for which the damping coefficient varies periodically in time. The Floquet theory is used to determine the effects of mean plus cyclic damping on the Floquet multipliers. An approximate Floquet solution, which includes an exponential part and a periodic part...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. June 2021, 143(3): 031008.
Paper No: VIB-20-1294
Published Online: October 13, 2020
... that, by increasing the sublayer number, the present solution approaches the exact one. After validating the formulation and program, we investigate the acoustic vibration characteristics in nanoparticles. These include the effects of material anisotropy, damping, and core–shell imperfect interface on the vibration...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. June 2021, 143(3): 031003.
Paper No: VIB-20-1312
Published Online: October 6, 2020
...Lukas Woiwode; Johann Gross; Malte Krack It is well-known that nonlinear dry friction damping has the potential to bound the otherwise unboundedly growing vibrations of self-excited structures. An important technical example are the flutter-induced friction-damped limit cycle oscillations...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2021, 143(2): 021001.
Paper No: VIB-20-1029
Published Online: September 1, 2020
... overlooked their damping effects through careful analytical model developments. The objective of the current work is to present analytical models for cable-harnessed structures that also include the damping effects in their vibration response. Obtaining simple, low-order and high-fidelity models are highly...
Topics: Cables, Damping
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2021, 143(1): 011008.
Paper No: VIB-19-1534
Published Online: August 14, 2020
...Wenshuo Ma; Jingjun Yu; Yiqing Yang The multi-degrees-of-freedom (MDOF) tuned mass damper (TMD) has proven its ability to suppress multiple modes of interest, and it possesses less mounting space than multiple single degree-of-freedom TMDs of equal damping mass. However, it is challenging...