Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Steve Shepard"'
Autor:
Biaobiao Zhang, Steve Shepard
Publikováno v:
Shock and Vibration, Vol 19, Iss 6, Pp 1403-1413 (2012)
In this paper, a new beam shape function configuration method for determining transient responses of a finite Euler-Bernoulli beam with two intermediate supports excited by moving pressure wave loads is developed. To clarify this method, this beam st
Externí odkaz:
https://doaj.org/article/1c990069ff4a4596b507a08242e616c4
Autor:
Xie, Zhengchao, Steve Shepard, W., Jr.
Publikováno v:
In Finite Elements in Analysis & Design 2009 45(8):530-537
Publikováno v:
In Journal of Sound and Vibration 2008 309(3):677-694
Publikováno v:
In Journal of Sound and Vibration 2005 282(3):713-733
Publikováno v:
Mechatronics. 33:23-33
This paper presents a novel controller for active vibration reduction in piezoelectric-actuated flexible structures. The new Multi Positive Feedback (MPF) control consists of two sections where each operates using a set of actuators. One section uses
Publikováno v:
Aerospace Science and Technology. 45:408-415
In this paper, an optimized positive feedback based control approach is developed for unwanted resonant vibration attenuation of flexible lightweight aerospace structures. A modified form of the positive velocity feedback control (MPVF) is implemente
Autor:
W. Steve Shepard, Zhengchao Xie
Publikováno v:
Mechanics of Advanced Materials and Structures. 21:669-679
This work presents a new analytical model for constrained layer damping (CLD). CLD is an effective vibration suppression approach. Unfortunately, most of the existing research involving analytical models for constrained layer damped structures consid
Publikováno v:
Shock & Vibration. 2009, Vol. 16 Issue 5, p455-466. 12p. 5 Diagrams, 5 Charts, 7 Graphs.
Publikováno v:
International Journal of Exercise Science
The purpose of this study was to determine the validity of the BOD POD® when compared to the DXA and if placement on a percentile chart and standard table is affected by any differences between the two measures. A total of 244 (27.7 ± 10.8 yrs, 77.
Autor:
W. Steve Shepard, Zhengchao Xie
Publikováno v:
Journal of Composite Materials. 46:1263-1273
Constrained layer damping (CLD) is widely used in many structures for vibration reduction. It is necessary to model CLD structures precisely. Most existing research studies have modeled the structures as beams, which in many cases is not a sufficient