Titlebook: Acousto-Ultrasonics; Theory and Applicati John C. Duke Book 1988 Springer Science+Business Media New York 1988 cement.cracks.damage.engine.

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https://doi.org/10.1007/978-3-663-06809-9cal properties. In recent years we have studied, both theoretically and experimentally, characteristics of elastic-wave propagation in particlereinforced composites and heterogeneous materials as well as in homogeneous and laminated fiber-reinforced composites. Comparison of theoretical predictions

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Aufgabensammlung für Elektroingenieuret another location. Thus, understanding the propagation characteristics of the wave is essential for successful application of the technique. The main objective of the present investigation is to identify through analysis-experiment correlation how the AU wave propagates through composite laminates.

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Dualität in der nichtlinearen Optimierungture are below the detection sensitivity of the ultrasonic instrumentation. This condition exists when 1) microstructural inhomogeneities in density and/or elastic properties are sufficiently small (weak scattering), or 2) all the characteristic dimensions of the internal structure are sufficiently

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Algorithmen der Ganzzahligen Optimierungand assessment of damage incurred due to service loads..The basis of analysis presented is a . of factors, called the stress wave factors (SWFs), proposed earlier by the author. The technique developed to obtain these factors is described and its application is illustrated on two specific examples:

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Jürgen Lehn,Helmut Wegmann,Stefan Rettigical extension of laser-solid interactions related to laser generation of ultrasound in complex structures and advanced materials and the investigation of methods to achieve a high speed, high resolution laser excitation system for integration with a highly sensitive ultrasonic signal detector. Expe

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Jürgen Lehn,Helmut Wegmann,Stefan Rettigf wire and a magnet. An RF signal applied to the coil induces surface currents in the metal. These surface currents are acted upon by a Lorentz force due to the presence of the static magnetic field. This disturbance is transferred to the lattice of the solid by collisions resulting in body forces w

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Teubner Studienbücher Mathematik longitudinal wave generation and at least 20MHz for zero degree incidence shear wave generation. While originally developed for examination of materials which would be damaged by liquid contact, they have been found to have practical and technical advantages for many materials characterization, dis