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Keywords: finite element
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2024, 146(2): 021003.
Paper No: VIB-23-1240
Published Online: July 2, 2024
... geometries [ 1 , 2 ]. Various rotordynamics models, utilizing Euler and Timoshenko beams, or high-fidelity 3D solid finite elements have been developed through extensive research to predict rotor response and prevent machinery failure. Additionally, alternative methods such as the refined 1D beam models [ 3...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. October 2021, 143(5): 051007.
Paper No: VIB-20-1354
Published Online: January 22, 2021
... that it creates integrity concerns on the pipeline. This research aims to study the effects of an ILI tool’s passage through exposed and partially supported pipes under a variety of boundary and loading conditions. A finite element model of an exposed pipe section is developed based on the Timoshenko beam theory...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. June 2015, 137(3): 031002.
Paper No: VIB-12-1364
Published Online: June 1, 2015
... harvesters. A finite element model (FEM) is developed to predict the performance of this class of harvesters in terms of the mechanical displacements of the flexible structure, the pressure inside the acoustic cavity, and the output electric voltage of the piezoelectric harvester. The FEM is formulated here...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2014, 136(5): 050901.
Paper No: VIB-13-1111
Published Online: July 25, 2014
... is not as successful. In this way, Ali and Abdel-Ghaffar [ 4 ] investigated on the nonlinear seismic behaviour of cable-stayed bridges with passive control, developing a finite element formulation based on the total Lagrangian formulation. Zhu et al. [ 5 ] proposed a structure response control approach which uses...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2013, 135(5): 051021.
Paper No: VIB-12-1142
Published Online: June 18, 2013
... analysis and dynamic transient analysis [ 16 ]. In this study, the explicit dynamic finite element code ABAQUS /Explicit is used to simulate the vibration behavior of the pantograph-catenary system in time domain. This dynamic analysis procedure is based upon the implementation of an explicit central...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2013, 135(5): 051010.
Paper No: VIB-11-1216
Published Online: June 18, 2013
.... Assoc. Editor: Thomas J. Royston. 23 09 2011 05 10 2012 An optimization methodology to increase the noise transmission loss (TL) of damped sandwich structures is presented. The prediction of the TL uses a numerical tool based on a finite element formulation for the sandwich plate...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2013, 135(2): 021006.
Paper No: VIB-11-1276
Published Online: February 25, 2013
... of the nonlinear damping of composite laminates subject to large Green–Lagrange axial strains and assuming a Kelvin viscoelastic solid. An extended beam finite element is developed capable of providing the nonlinear stiffness and damping matrices of the system. The linearized damped free-vibration equations...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. February 2013, 135(1): 011013.
Paper No: VIB-11-1263
Published Online: February 4, 2013
... Moduli Ratio on the In-Plane Natural Frequencies of Symmetrically Cross-Ply Beams by the Stiffness Method ,” J. Compos. Struct. , 50 , pp. 319 – 326 . 10.1016/S0263-8223(00)00124-0 [6] Chakraborty , A. , Mahapatra , D. R. , and Gopalakrishnan , S. , 2002 , “ Finite Element Analysis...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011015.
Published Online: December 30, 2011
... method has been performed over a finite element model of the system consisting of an unbalanced flexible rotor mounted on a pair of MR-SFDs. Obtained results show that the amplitude of rotor’s vibration is not a simple function of electrical current such that, increase in the current cannot guarantee...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. February 2012, 134(1): 014503.
Published Online: December 28, 2011
... are obtained from the proposed method, are compared with those of a full-nonlinear finite element analysis, where the comparisons indicate sound agreement The kinetic and potential energies of a FI, T FI and U FI , respectively, are given in Eqs. 9a and 9b . By using...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. April 2007, 129(2): 133–140.
Published Online: October 20, 2006
...A. R. Ohadi; M. Moghaddami This paper discusses the effects of compression on acoustical performance of fibrous materials. A finite element model is used to predict the absorption coefficient and transmission loss of absorbing and barrier materials. This model is developed based on the Galerkin...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. December 2006, 128(6): 705–712.
Published Online: April 20, 2006
... vibration finite element analysis of the dry enclosure visualized as a folded plate with first order transverse shear deformation and rotary inertia. Velocity amplitudes and forcing frequency is specified over certain parts of the boundary. The rest is interactive boundary. Absorbent layers at the boundary...