Showing papers in "Journal of Applied Mechanics in 1976"
TL;DR: In this paper, a reference record was created on 2005-11-18, modified on 2016-08-08 and used for the purpose of ondes ; chocs ; onde de : choc reference record.
Abstract: Keywords: ondes ; chocs ; onde de : choc Reference Record created on 2005-11-18, modified on 2016-08-08
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TL;DR: In this paper, the authors investigated the convective heat transfer in fluid-saturated porous beds either heated from below or heated by distributed sources for several bed thicknesses and permeabilities.
Abstract: The convective heat transfer in fluid-saturated porous beds either heated from below or heated by distributed sources is investigated for several bed thicknesses and permeabilities. For the case of heating from below, Rayleigh numbers range from about 10 to 10,000. For distributed heat sources, Rayleigh numbers range from about 10 to 1,000. Critical Rayleigh numbers for the onset of convection are estimated as 38 for heating from below and 31.8 for distributed heat sources. Heat transfer results for convection induced by heating from below are in good agreement with analytical upper bound estimates obtained by Gupta and Joseph. (12 refs.)
TL;DR: In this paper, the theory of Ritz is applied to the equation that Hamilton called the "Law of Varying Action." Direct analytical solutions are obtained for the transient motion of beams, both conservative and non-conservative.
Abstract: The theory of Ritz is applied to the equation that Hamilton called the 'Law of Varying Action.' Direct analytical solutions are obtained for the transient motion of beams, both conservative and nonconservative. The results achieved are compared to exact solutions obtained by the use of rigorously exact free-vibration modes in the differential equations of Lagrange and to an approximate solution obtained through the application of Gurtin's principles for linear elastodynamics. A brief discussion of Hamilton's law and Hamilton's principle is followed by examples of results for both free-free and cantilever beams with various loadings.