Title : 
High frequency wave propagation in structured materials: Modeling results
         
        
            Author : 
Young, Roger ; Harris, Paul ; Dawson, Andrew ; Lecarpentier, Frederic
         
        
            Author_Institution : 
Ind. Res. Ltd., Lower Hutt
         
        
        
        
        
        
            Abstract : 
A porous aluminium plate with a regular columnar microstructure exhibits unusual properties when interacting with high frequency acoustic waves. Finite element modeling reproduces this behaviour and a more detailed analysis explains the underlying physics.
         
        
            Keywords : 
acoustic wave propagation; aluminium; finite element analysis; plates (structures); porous materials; structural acoustics; Al; finite element modeling; high-frequency acoustic wave propagation; porous aluminium plate properties; regular columnar microstructure; Acoustic materials; Acoustic propagation; Acoustic waves; Aluminum; Computational modeling; Finite element methods; Frequency; Microstructure; Physics; Solid modeling;
         
        
        
        
            Conference_Titel : 
Ultrasonics Symposium, 2008. IUS 2008. IEEE
         
        
            Conference_Location : 
Beijing
         
        
            Print_ISBN : 
978-1-4244-2428-3
         
        
            Electronic_ISBN : 
978-1-4244-2480-1
         
        
        
            DOI : 
10.1109/ULTSYM.2008.0129