Volume 13, Issue 15 (Third Special Issue 2014)
Modares Mechanical Engineering 2014, 13(15): 196-206 |
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Elastic wave propagation in composites with random distribution of spherical inclusions using Dynamic Generalized Self-Consistent Model. Modares Mechanical Engineering 2014; 13 (15) :196-206
URL: http://mme.modares.ac.ir/article-15-4826-en.html
URL: http://mme.modares.ac.ir/article-15-4826-en.html
Abstract: (5136 Views)
The work is dedicated to the elastic wave propagation in particulate composite with random distribution of soft and stiff inclusions. The multiple scattering theory of Waterman-Truell in combination of static generalized self-consistent model is used to formulate the Dynamic Generalized Self-Consistent Model which is used because of its precision in modeling of high volume fraction and high frequency waves. The model has been described and two different cases containing of soft and stiff inclusions are considered. The propagation behavior such as normalized wave propagation, normalized attenuation and the dynamic effective properties are studied. Investigation is carried on long and intermediate wave-length regime and different values of volume fraction for longitudinal (P) and shear (S) elastic waves. The results indicate that the propagation properties are strongly affected by aforementioned parameters.
Article Type: Research Article |
Subject:
Vibration|Analytical Methods|Aerospace Structures|Composites
Received: 2013/05/14 | Accepted: 2013/07/17 | Published: 2014/02/20
Received: 2013/05/14 | Accepted: 2013/07/17 | Published: 2014/02/20
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