Search Results - "Achenbach, J. D"

Quantitative nondestructive evaluation by Achenbach, J.D

“…Quantitative Nondestructive Evaluation (QNDE) provides techniques to assess deterioration of a material or a structure, and to detect and characterize discrete…”
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Rayleigh wave correction for the BEM analysis of two-dimensional elastodynamic problems in a half-space by Arias, I., Achenbach, J. D.

“…A simple, elegant approach is proposed to correct the error introduced by the truncation of the infinite boundary in the BEM modelling of two‐dimensional wave…”
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Probabilistic considerations of the growth and detection of delaminations for repeated impact on composites by Cohen, ML, Achenbach, JD

“…Repeated impact of foreign bodies on laminated composites may give rise to delamination damage. In this paper, experimental information is employed to…”
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Thermoelastic generation of ultrasound by line-focused laser irradiation by Arias, Irene, Achenbach, Jan D.

“…A two-dimensional theoretical model for the field generated in the thermoelastic regime by line-focused laser illumination of a homogeneous, isotropic,…”
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Simplifications for the calculation of surface wave pulses generated by laser-irradiation by ACHENBACH, J. D

“…In this paper a simplified approach is presented to determine the ultrasonic surface wave motion generated by laser irradiation of a linearly elastic solid. It…”
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A probabilistic method to predict fatigue crack initiation by KULKARNI, Salil. S, SUN, L, MORAN, B, KRISHNASWAMY, S, ACHENBACH, J. D

“…A probabilistic method to predict macrocrack initiation due to fatigue damage is presented in this paper. Acoustic non-linearity is used to quantify…”
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Combination of a virtual wave and the reciprocity theorem to analyse surface wave generation on a transversely isotropic solid by Achenbach, J. D.

“…At some distance from a high-rate source in an elastic half-space, the dominant wave motion at the free surface is a Rayleigh surface wave. The calculation of…”
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One-Sided Stress Wave Velocity Measurement in Concrete by Popovics, J. S, Song, W, Achenbach, J. D, Lee, J. H, Andre, R. F

“…Measurement of the velocity of stress waves in concrete provides valuable information on the state of the material. Recently, a number of papers have been…”
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Simulation of laser-generated ultrasonic waves in layered plates by Cheng, A., Murray, T. W., Achenbach, J. D.

“…A model is presented for the pulsed laser generation of ultrasound in isotropic layered plates. The stresses and displacements of the plate have been…”
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Two-dimensional time domain BEM for scattering of elastic waves in solids of general anisotropy by Wang, C.-Y., Achenbach, J.D., Hirose, S.

“…An efficient two-dimensional time-domain application of the Boundary Element Method is presented to solve elastodynamic boundary/initial-value problems in…”
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Structural Health Monitoring and Damage Prognosis in Fatigue by Kulkarni, S.S., Achenbach, J.D.

“…A conceptual structural health monitoring (SHM) system to monitor fatigue damage is discussed in this study. The first part of the study is concerned with…”
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Elastodynamic fundamental solutions for anisotropic solids by Wang, C.-Y., Achenbach, J. D.

“…3-D and 2-D time-domain elastodynamic fundamental solutions (or Green's functions) for linearly elastic anisotropic materials are obtained by the Radon…”
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Higher harmonics in the far field due to dynamic crack-face contacting by HIROSE, S, ACHENBACH, J. D

“…The dynamic problem of contacting crack faces due to incident wave motion is numerically solved by using the boundary element method. The crack is a…”
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Modeling and acoustic microscopy measurements for evaluation of the adhesion between a film and a substrate by ZHIQI GUO, ACHENBACH, J. D, MADAN, Anita, MARTIN, Keith, GRAHAM, M. E

“…A model for calculating the V(z) curve by line-focus acoustic microscopy contains the reflectance function of the specimen as a principal component. In this…”
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EMAT generation and laser detection of single lamb wave modes by Guo, Zhiqi, Achenbach, J.D., Krishnaswamy, Sridhar

“…The use of a single Lamb wave mode simplifies the interpretation of data in nondestructive testing of thin plates. In this work, an EMAT is specially…”
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Stabilization of an embedded fiber optic Fabry-Perot sensor for ultrasound detection by Dorighi, J.F., Krishnaswamy, S., Achenbach, J.D.

“…A method is proposed to stabilize an intrinsic fiber optic Fabry-Perot interferometric sensor embedded in a solid material for the purpose of detecting…”
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Limit-State Surface Element Method: Application to Fatigue Reliability with NDE Inspections by Moran, B, Xu, Y, Achenbach, J. D

“…A new method, named the limit-state surface element (LSSE) method, for problems in structural reliability is presented. The method is based on discretization…”
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A neural network for crack sizing trained by finite element calculations by Zgonc, Kornelija, Achenbach, Jan D.

“…A neural network is combined with a self-compensating ultrasonic technique to size cracks emanating from rivet holes. The network is trained with a combination…”
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Laser generation of narrow-band surface waves by JIN HUANG, SRIDHAR KRISHNASWAMY, ACHENBACH, J. D

“…Tone-burst-like narrow-band surface waves are generated in the thermoelastic regime by illuminating the surface of a solid with an array of laser-generated…”
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Nondestructive detection of fatigue cracks in PM 304 stainless steel by internal friction and elasticity by McGuire, S.M., Fine, M.E., Buck, O., Achenbach, J.D.

“…A resonant frequency mechanical vibration method was used to nondestructively detect fatigue crack initiation in notched 304 stainless steel samples prepared…”
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