946 resultados para Kerr, Robert Malcolm, 1821-1902.
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Bound with Dearslys̕ On criminal process.
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Introduction signed: C.E.S. Chambers.
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The issue of intermittency in numerical solutions of the 3D Navier-Stokes equations on a periodic box 0, L](3) is addressed through four sets of numerical simulations that calculate a new set of variables defined by D-m(t) = (pi(-1)(0) Omega(m))(alpha m) for 1 <= m <= infinity where alpha(m) = 2m/(4m - 3) and Omega(m)(t)](2m) = L-3 integral(v) vertical bar omega vertical bar(2m) dV with pi(0) = vL(-2). All four simulations unexpectedly show that the D-m are ordered for m = 1,..., 9 such that Dm+1 < D-m. Moreover, the D-m squeeze together such that Dm+1/D-m NE arrow 1 as m increases. The values of D-1 lie far above the values of the rest of the D-m, giving rise to a suggestion that a depletion of nonlinearity is occurring which could be the cause of Navier-Stokes regularity. The first simulation is of very anisotropic decaying turbulence; the second and third are of decaying isotropic turbulence from random initial conditions and forced isotropic turbulence at fixed Grashof number respectively; the fourth is of very-high-Reynolds-number forced, stationary, isotropic turbulence at up to resolutions of 4096(3).
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The periodic 3D Navier-Stokes equations are analyzed in terms of dimensionless, scaled, L-2m-norms of vorticity D-m (1 <= m <= infinity). The first in this hierarchy, D-1, is the global enstrophy. Three regimes naturally occur in the D-1-D-m plane. Solutions in the first regime, which lie between two concave curves, are shown to be regular, owing to strong nonlinear depletion. Moreover, numerical experiments have suggested, so far, that all dynamics lie in this heavily depleted regime 1]; new numerical evidence for this is presented. Estimates for the dimension of a global attractor and a corresponding inertial range are given for this regime. However, two more regimes can theoretically exist. In the second, which lies between the upper concave curve and a line, the depletion is insufficient to regularize solutions, so no more than Leray's weak solutions exist. In the third, which lies above this line, solutions are regular, but correspond to extreme initial conditions. The paper ends with a discussion on the possibility of transition between these regimes.
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http://books.google.com/books?vid=OCLC00615969
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http://www.archive.org/details/calilifeillustrated00taylrich
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http://www.archive.org/details/christianadventu00tayluoft
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First and second year students enrolled in a four-year movement education based university Physical Education program completed a questionnaire regarding their expectations on entering university. In addition, graduates of the program were interviewed, one year after graduation, with regard to their understanding of and attitude towards movement education and how these had developed relative to their overall degree program. Most students had no knowledge of movement education prior to entering the program and the selection of this particular program was simply coincidental with their desire to pursue physical education. Whereas the students did participate in an activity course and a theory course in Year 1, it was only when participating in a Year 2 movement course which combined theory and practice within the same course that students recognized the movement base of the content. The progress of the students through the program reflects distinct declarative and procedural stages in knowledge development followed by an ability to generalize that knowledge a conceptual stage. The real understanding of movement education came as the students were required to teach movement education to students, children, and other groups.
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On a ms. list of plays of the year 1638. -- Sir Anthony Browne, standard bearer to king Henry VIII, and his descendants. -- On the source and nomenclature of the river Thames. -- On Sir Philip Sidney and his father, Sir Henry Sidney, in relation to Ludlow castle. -- Episodes in the career of Humphrey duke of Gloucester, and his first duchess, and their connection with the abbey of St. Albans. -- On the involuntary visit of Philip of Austria and Juana of Spain to Weymouth in 1506, and its consequences. -- Recuiver, the Regulbium of the Romans. -- Appendix.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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4th impressions.