Global ETD Search

Comparison of modal analysis results of laser vibrometry and nearfield acoustical holography measurements of an aluminum plate

Potter, Jennifer L.

mtu Repository record for Comparison of modal analysis results of laser vibrometry and nearfield acoustical holography measurements of an aluminum plate (opens in a new tab)

Reconstruction Resolution Of Coherent Point Sources With Helmholtz Equation Least Squares

Dziklinski, Richard Edward2011

… method based on measurements in violation of Nearfield Acoustical Holography (NAH) resolution guidelines. In HELS, the Helmholtz equation is solved by matching a series of localized spherical expansion functions to the measured pressures in the field. Expansion coefficients are solved for by …

wayne-thes Repository record for Reconstruction Resolution Of Coherent Point Sources With Helmholtz Equation Least Squares (opens in a new tab)

Structure Borne Noise Analysis Using Helmholtz Equation Least Squares Based Forced Vibro Acoustic Components

Natarajan, Logesh Kumar2012

… is Helmholtz equation least squares (HELS) based nearfield acoustic holography method. In this study, the HELS formulations derived in spherical co-ordinates using spherical wave expansion functions utilize the input data of acoustic pressures measured in the nearfield of a vibrating object to …

wayne-thes Repository record for Structure Borne Noise Analysis Using Helmholtz Equation Least Squares Based Forced Vibro Acoustic Components (opens in a new tab)