Document Detail


Finite element calculation of photoacoustic signals.
MedLine Citation:
PMID:  17304310     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
A procedure for the numerical calculation of photoacoustic signals is introduced. It is based on the finite element method and uses an expansion of the signal into acoustic eigenmodes of the measuring cell. Loss is included by the incorporation of quality factors. Surface and volume loss effects attributable to viscosity and thermal conductivity are considered. The method is verified for cylindrical cells with excellent accordance. The application to photoacoustic cells of unconventional shape yields good agreement with experimental data.
Authors:
Bernd Baumann; Marcus Wolff; Bernd Kost; Hinrich Groninga
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  46     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-02-16     Completed Date:  2007-07-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1120-5     Citation Subset:  -    
Affiliation:
Department of Mechanical and Production Engineering, Hamburg University of Applied Sciences, Germany. baumann@rzbt.haw-hamburg.de
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