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    Microporodynamics of Bones: Prediction of the “Frenkel–Biot” Slow Compressional Wave

    Source: Journal of Engineering Mechanics:;2005:;Volume ( 131 ):;issue: 009
    Author:
    Christian Hellmich
    ,
    Franz-Josef Ulm
    DOI: 10.1061/(ASCE)0733-9399(2005)131:9(918)
    Publisher: American Society of Civil Engineers
    Abstract: Understanding of ultrasonic wave propagation in bones is essential for further development of related techniques in clinical practice. As any other saturated porous medium, bone is characterized by different forms of longitudinal wave propagation, either undrained waves or fast and (Frenkel–Biot) slow compressional waves. We here study the wave propagation in the framework of poromicromechanics. A continuum micromechanics model allows for the prediction of the anisotropic poroelastic properties, Biot’s coefficients, and moduli, from tissue-specific composition data, on the basis of tissue-independent (“universal”) elastic properties of the elementary components of all bones. These poroelastic properties enter the governing equations for wave propagation in anisotropic porous media. They allow for the prediction of undrained, fast and slow waves, as is verified by comparison of model results with experimental findings.
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      Microporodynamics of Bones: Prediction of the “Frenkel–Biot” Slow Compressional Wave

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    http://yetl.yabesh.ir/yetl1/handle/yetl/86137
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    contributor authorChristian Hellmich
    contributor authorFranz-Josef Ulm
    date accessioned2017-05-08T22:40:43Z
    date available2017-05-08T22:40:43Z
    date copyrightSeptember 2005
    date issued2005
    identifier other%28asce%290733-9399%282005%29131%3A9%28918%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/86137
    description abstractUnderstanding of ultrasonic wave propagation in bones is essential for further development of related techniques in clinical practice. As any other saturated porous medium, bone is characterized by different forms of longitudinal wave propagation, either undrained waves or fast and (Frenkel–Biot) slow compressional waves. We here study the wave propagation in the framework of poromicromechanics. A continuum micromechanics model allows for the prediction of the anisotropic poroelastic properties, Biot’s coefficients, and moduli, from tissue-specific composition data, on the basis of tissue-independent (“universal”) elastic properties of the elementary components of all bones. These poroelastic properties enter the governing equations for wave propagation in anisotropic porous media. They allow for the prediction of undrained, fast and slow waves, as is verified by comparison of model results with experimental findings.
    publisherAmerican Society of Civil Engineers
    titleMicroporodynamics of Bones: Prediction of the “Frenkel–Biot” Slow Compressional Wave
    typeJournal Paper
    journal volume131
    journal issue9
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)0733-9399(2005)131:9(918)
    treeJournal of Engineering Mechanics:;2005:;Volume ( 131 ):;issue: 009
    contenttypeFulltext
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