Abstract
AbstractThe theoretical investigation of sound waves in porous materials is motivated by the possible construction of non‐destructive testing methods. Here, geotechnical applications are of interest where low frequencies from zero to 100 Hz occur but also systems with higher frequency ranges may be tested non‐invasively. Examples are concrete and other construction materials, road surfaces and pavements (some MHz), biological materials like bones and soft tissues, e.g. the surface of the heart (up to 3 MHz) right up to surface coatings by nanomaterials (approximately 100 MHz). (© 2015 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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