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Acoustics and Vibrations

Effect of Manufacturing Defects in the Form of Internal Leakages on the Acoustic Performance of Mufflers

D. Neihguk[1], A. Prasad [1]
[1] Mahindra & Mahindra Ltd, Chengalpattu, Tamil Nadu, India

The presence of manufacturing defects in the form of incomplete welding and missing perforated holes leads to ... 扩展阅读

Transformation Optics Simulation Method for Stimulated Brillouin Scattering

R. Zecca [1], P. T. Bowen [1], D. R. Smith [1], S. Larouche [1],
[1] Center for Metamaterials and Integrated Plasmonics and Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA

Stimulated Brillouin scattering (SBS) is a nonlinear phenomenon coupling optical and elastic waves. ... 扩展阅读

Simulation of the Flow of an Autonomous Spherical Ball inside a Pipeline

W. Chalgham [1], A. C. Seibi [1], M. Mokhtari [1],
[1] University of Louisiana at Lafayette, Lafayette, LA, USA

One of the limitations of pipelines performance and structural integrity assessment is the continuous ... 扩展阅读

Acoustic Wave Crack Detection: A First Principles Approach

R. W. Pryor [1],
[1] Pryor Knowledge Systems, Inc., Bloomfield Hills, MI, USA

Crack detection is and has been an active field of exploration, both theoretical and applied for a number of ... 扩展阅读

Design of a Self-Recharging Untethered Mobile Inspection Tool inside a Pipeline

W. Chalgham [1], A. C. Seibi [1],
[1] University of Louisiana at Lafayette, Lafayette, LA, USA

Pipeline inspection tools present some limitations related to power supply which require recharging after ... 扩展阅读

Simulation of Electrodynamic Planar Loudspeaker (EDPL) with COMSOL Multiphysics® Software

M. Asgarisabet [1,2], R. Czapla [2], J. Krueger [2], B. Sterling [2],
[1] Michigan Technological University, Houghton, MI, USA
[2] HARMAN International, Detroit, MI, USA

A simulation of an electrodynamic planar loudspeaker (EDPL) has been developed in this study with the COMSOL ... 扩展阅读

A Virtual Product Development Environment for Electronic Hydraulic Power Steering Pump via Multiphysics Modeling

F. Qi [1], J. Men [1], L. Yang [1], Z. Bing [1] , J. Yang [1], F. He [2], L. Pan [2], Z. Shao [2], G. Gao [2], X. Zhang [3], H. Wei [3], S. Duo [3], L. Song [3], X. Wang [3], Z. Wang [3], G. Wei [3], Y. Li [3], H. Yang [3], Z. Ma [3], B. Li [3], Y. Zhang [3], Y. Li [3], Y. Xie [3], D. Yu [3]
[1] FZB Technology, Inc., Plymouth, MI, USA
[2] Shenzhen South Dare Auto Parts, Ltd., Shenzhen, China
[3] Fuxin Dare Auto Parts, Ltd., Fuxin, China

Using advanced computational fluid dynamics software PumpLinx and the COMSOL Multiphysics® software, a ... 扩展阅读

Underwater Flow Noise Simulation

S. H. Abadi [1], A. T. Lim [1],
[1] University of Washington, Bothell, WA, USA

Underwater acoustics is an area that studies the sound propagation in water and the interactions with other ... 扩展阅读

Studies of Sound Radiation from Beams with Acoustic Black Holes

C. Zhao [1], M. G. Prasad [1],
[1] Stevens Institute of Technology, Hoboken, NJ, USA

Recently, acoustic black holes (ABH), a new passive structural modification approach to control vibration and ... 扩展阅读

Determination of the Sweet Spot of a Cricket Bat using COMSOL Multiphysics® Software

Y. Mulchand [1], A. Pooransingh [1], R. Latchman [1],
[1] The University of the West Indies, St. Augustine, Trinidad and Tobago

The aim of this paper is to determine the location of the “sweet spot” for a selected cricket bat commonly ... 扩展阅读

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