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  1. No Access

    Article

    Deformation of a Composite Disk Having a Tapered Clamped Boundary

    An out-of-plane displacement analysis is conducted on a circular composite disk in which a pre-stressed condition is created by clam** the specimen along a tapered boundary. This configuration is designed to...

    S. T. Oliver, J. A. Gilbert, M. V. Bower in Experimental Mechanics (2015)

  2. No Access

    Article

    Importance of cannulated prolactin test in the definition of hyperprolactinaemia

    Recent guidelines suggest that a single prolactin measurement is adequate to confirm hyperprolactinaemia. This may lead to unnecessary investigation of artefactual hyperprolactinaemia. Prolactin measurement d...

    M. B. Whyte, S. Pramodh, L. Srikugan, J. A. Gilbert, J. P. Miell… in Pituitary (2015)

  3. No Access

    Article

    Doubly Reinforcing Cementitious Beams with Instrumented Hollow Carbon Fiber Tendons

    Surface mounted strain gages are used to characterize the behavior of polymer-enhanced cementitious beams designed to withstand reverse loadings. These unique composite structures are doubly reinforced with ho...

    K. R. Biszick, J. A. Gilbert, H. A. Toutanji, M. T. Britz in Experimental Mechanics (2013)

  4. No Access

    Article

    Phosphonoacetate biosynthesis: In vitro detection of a novel NADP+-dependent phosphonoacetaldehyde-oxidizing activity in cell-extracts of a marine Roseobacter

    A novel phosphonoacetaldehyde-oxidizing activity was detected in cell-extracts of the marine bacterium Roseovarius nubinhibens ISM grown on 2-aminoethylphosphonic acid (2-AEP; ciliatine). Extracts also contained ...

    N. A. Cooley, A. N. Kulakova, J. F. Villarreal-Chiu, J. A. Gilbert… in Microbiology (2011)

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    Reference Work Entry In depth

    Multiple Displacement Amplification

    This protocol outlines the use of multiple displacement amplification (MDA) as a form of whole-genome amplification (WGA), with application to a number of different analytical techniques in environmental micro...

    J. A. Gilbert, K. Zhang, J. D. Neufeld in Handbook of Hydrocarbon and Lipid Microbiology (2010)

  6. No Access

    Article

    Modal analysis of lightweight graphite reinforced silica/polymer matrix composite plates

    In this paper we describe how finite element and experimental modal analyses can be used to characterize the dynamic behavior of plates made from a new class of graphite reinforced silica/polymer matrix compos...

    T. K. Ooi, J. A. Gilbert, M. V. Bower, R. E. Vaughan… in Experimental Mechanics (2005)

  7. No Access

    Article

    Modal testing of a lightweight cementitious structure

    T. K. Ooi, R. C. Engberg, J. A. Gilbert, R. E. Vaughan… in Experimental Techniques (2004)

  8. No Access

    Article

    A transversely suspended accelerometer

    This paper describes a transversely suspended accelerometer (TSA) designed to measure acceleration at low frequency with high sensitivity in the vicinity of a strong magnetic field. The TSA is a simple diffrac...

    J. A. Gilbert, N. Li, R. R. Gauthier in Experimental Mechanics (2000)

  9. No Access

    Article

    Extracting Rayleigh Waves from Noise Using a Differential Optical Interferometer

    This article introduces a new strategy for extracting Rayleigh waves from a noisy environment using a differential optical interferometer (DOI). The DOI consists of a bidirectional coupler; one arm, positione...

    A. M. Shokry, J. A. Gilbert in Research in Nondestructive Evaluation (1998)

  10. No Access

    Article

    Panoramic modal testing of the space shuttle main engine alternative turbopump inlet bellows liner

    This paper demonstrates a powerful new inspection tool currently being used by NASA to visualize mode shapes within cylindrically shaped cavities. The approach has an advantage over modal hammer impact testing...

    J. L. Lindner, J. A. Gilbert in Experimental Techniques (1998)

  11. No Access

    Article

    Characterization of the panoramic annular lens

    The panoramic annular lens (PAL) consists of a single piece of glass, with spherical surfaces, that produces a flat annular image of the entire 360-deg surround of the optical axis of the lens. This paper desc...

    D. L. Lehner, A. G. Richter, D. R. Matthys, J. A. Gilbert in Experimental Mechanics (1996)

  12. No Access

    Article

    Characterization, production and reconstruction of substrate guided wave holointerferograms

    Substrate guided wave (SGW) holograms are recorded and reconstructed using light waves guided through an optical substrate. The recording geometries for producing transmission and reflection SGW holograms are ...

    J. A. Gilbert, Q. Huang in Experimental Mechanics (1996)

  13. No Access

    Article

    Panoramic holointerferometry

    This paper is the first to report on the quantitative evaluation of panoramic holointerferograms. In the experiment a collinear pair of panoramic annular lenses and an ion laser are used to illuminate and obse...

    D. R. Matthys, J. A. Gilbert, J. Puliparambil in Experimental Mechanics (1995)

  14. No Access

    Article

    A photoelastic fiber-optic strain gage

    This paper reports on the development of a photoelastic fiber-optic strain gage sensitive to transverse strain. The sensing element is made from an epoxy resin which is stress frozen to passively achieve the q...

    W. Su, J. A. Gilbert, C. Katsinis in Experimental Mechanics (1995)

  15. No Access

    Article

    Video analysis of membrane strain: An application in cell stretching

    J. A. Gilbert, A. J. Banes, G. W. Link, G. L. Jones in Experimental Techniques (1990)

  16. No Access

    Article

    Real-time moiré interferometry

    A high-frequency moiré interferometric technique to continuously monitor in-plane surface displacement is presented. This technique employs fiber optics and a thermoplastic device to holographically record the...

    H. S. Johnson, J. A. Gilbert, D. R. Matthys, T. D. Dudderar in Experimental Mechanics (1989)

  17. No Access

    Article

    Automated analysis of holointerferograms for the determination of surface displacement

    A method for using an image digitizing system with a minicomputer to automatically determine surface-displacement fields by evaluating holographic fringe patterns is presented. The problem of determining the s...

    D. R. Matthys, T. D. Dudderar, J. A. Gilbert in Experimental Mechanics (1988)

  18. No Access

    Article

    Fiber optic sensing for ultrasonic NDE

    An innovative approach to nondestructive evaluation (NDE) using noncontacting optical sensors has demonstrated. In this effort a single mode optical fiber interferometer (OFI) was used to sense the presence an...

    T. D. Dudderar, C. P. Burger, J. A. Gilbert… in Journal of Nondestructive Evaluation (1987)

  19. No Access

    Article

    Laser excitation through fiber optics for NDE

    This paper describes experiments designed to generate acoustic waves by using a laser pulse, transmitted through fiber optics, to thermally shock the surface of a steel specimen. The purpose of this effort was...

    C. P. Burger, T. D. Dudderar, J. A. Gilbert… in Journal of Nondestructive Evaluation (1987)

  20. No Access

    Article

    Two-dimensional stress analysis combining high-frequency Moiré measurements with finite-element modeling

    J. A. Gilbert, T. D. Dudderar, D. R. Matthys, H. S. Johnson… in Experimental Techniques (1987)

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