WAVES AND VIBRATIONS IN INHOMOGENEOUS STRUCTURES ...

Acknowledgements
The work was partially supported by the Danish Technical Research Council through the project
‘‘Designing bandgap materials and structures with optimized dynamic properties’’ and by the Danish Center
for Scientific Computing (DCSC).
References
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Fraction of input power
b
Fraction of input power
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J.S. Jensen / Journal of Sound and Vibration 301 (2007) 319–340 339
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Fig. 15. Dissipation D, reflectance R, and transmittance T for the optimized three-phase design in Fig. 13a for an S wave, (a) Z r ¼ 0:05 s 1
and (b) Z r ¼ 0:75 s 1 . Dissipation (solid), reflectance (dash), transmittance (dot).
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