Results 241 to 250 of about 1,075,659 (302)
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Stress wave propagation in bone
Journal of Biomechanics, 1983The traveling wave characteristics for a single compressive pulse were studied in fresh and embalmed human long bones. The stress wave was generated by the longitudinal impact of a steel ball on one end of a bone and was monitored by bonded strain gages.
R R, Pelker, S, Saha
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Stress waves in composite materials
Physical Review E, 1996The method of cells (MOC) developed by Aboudi provides a powerful means for studying the propagation of waves through systems having complicated internal cell structure [Wave Motion {bold 9}, 141 (1987)]. Laminated materials are a common example. The method can handle harmonic waves and also {ital transient} waves arising from a finite duration impulse.
, Clements, , Johnson, , Hixson
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Ocean Dynamics, 2010
There are differences in the literature concerning the vertically dependent equations that couple currents and waves. In this paper, currents are purposely omitted until the end. Isolating waves from currents allows one to focus on two main topics: an explanation of Stokes drift with apparent mean vorticity obtained from an otherwise irrotational flow ...
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There are differences in the literature concerning the vertically dependent equations that couple currents and waves. In this paper, currents are purposely omitted until the end. Isolating waves from currents allows one to focus on two main topics: an explanation of Stokes drift with apparent mean vorticity obtained from an otherwise irrotational flow ...
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1994
It is a guiding principle of-brittle fracture that a crack always propagates essentially perpendicularly to the direction of the maximum principal tensile stress. This implies that a crack will change its direction of propagation if the direction of the actual maximum principal tensile stress changes.
H. G. Richter, F. Kerkhof
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It is a guiding principle of-brittle fracture that a crack always propagates essentially perpendicularly to the direction of the maximum principal tensile stress. This implies that a crack will change its direction of propagation if the direction of the actual maximum principal tensile stress changes.
H. G. Richter, F. Kerkhof
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Nature, 1954
Stress Waves in Solids By H. Kolsky. (Monographs on the Physics and Chemistry of Materials.) Pp. x + 212 + 3 plates. (Oxford: Clarendon Press; London: Oxford University Press, 1953.) 25s. net.
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Stress Waves in Solids By H. Kolsky. (Monographs on the Physics and Chemistry of Materials.) Pp. x + 212 + 3 plates. (Oxford: Clarendon Press; London: Oxford University Press, 1953.) 25s. net.
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Asymmetric wave-stress tensors and wave spin
Journal of Fluid Mechanics, 1973Linearized wave-stress tensors derived from Hamilton's variational principle may be asymmetric. If interpreted as momentum fluxes, they would lead to lack of conservation of orbital angular momentum. It is shown that changes in internal angular momentum or spin of waves and torque coupling to external fields can adequately provide conservation of total
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Applied Physics Letters, 1970
A method of generating stress waves with a laser is demonstrated using a transparent material to impede the expansion of the vaporized absorber. A stress wave whose magnitude is 34 kbar and whose width at half-maximum is equal to the width of the laser pulse is reported.
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A method of generating stress waves with a laser is demonstrated using a transparent material to impede the expansion of the vaporized absorber. A stress wave whose magnitude is 34 kbar and whose width at half-maximum is equal to the width of the laser pulse is reported.
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2012
Abstract Gravity waves that account for most of the vertical transport of energy and momentum in the atmosphere are on horizontal scales smaller than the horizontal grid sizes of numerical prediction models. Thus, these waves and their important contributions to the general circulation cannot be resolved.
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Abstract Gravity waves that account for most of the vertical transport of energy and momentum in the atmosphere are on horizontal scales smaller than the horizontal grid sizes of numerical prediction models. Thus, these waves and their important contributions to the general circulation cannot be resolved.
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Geometric Effects on Stress Wave Propagation
Journal of Biomechanical Engineering, 2014The present study, through finite element simulations, shows the geometric effects of a bioinspired solid on pressure and impulse mitigation for an elastic, plastic, and viscoelastic material. Because of the bioinspired geometries, stress wave mitigation became apparent in a nonintuitive manner such that potential real-world applications in human ...
K L, Johnson +7 more
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British Journal of Applied Physics, 1956
The aim of this paper is to discuss, in fairly elementary fashion, the topic of the transmission of transient stress pulses of short duration in solids, together with the associated problem of the measurement of pressures subject to very rapid changes. The pressure bar method, devised by Betram Hopkinson, forms one of the basic experiments in the field
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The aim of this paper is to discuss, in fairly elementary fashion, the topic of the transmission of transient stress pulses of short duration in solids, together with the associated problem of the measurement of pressures subject to very rapid changes. The pressure bar method, devised by Betram Hopkinson, forms one of the basic experiments in the field
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