نتایج جستجو برای: moment tensor

تعداد نتایج: 102429  

Journal: :Geophysics 2021

We have developed an approach to determine the time-dependent moment tensor and origin time in addition commonly derived locations of seismic events using reverse imaging (TRI). It is crucial locate characterize occurring microseismicity without making a priori assumptions about sources fully understand subsurface processes inducing seismicity. Low signal-to-noise ratios (S/Ns) often force stan...

Journal: :Journal of the American Chemical Society 2002
Hugo F Azurmendi C Allen Bush

NMR residual dipolar couplings between couple of nuclei PQ, (1)D(PQ), measured on neutral dilute liquid crystal solutions, provide valuable long-range structural information of biomolecules. An accurate and simple method for the prediction of the alignment produced as consequence of sterical interactions between the solute and the bicelles is proposed called TRacking Alignment from Moment of In...

2012
F. Bonizzoni A. Buffa F. Nobile Francesca Bonizzoni Annalisa Buffa Fabio Nobile

We study the mixed formulation of the stochastic Hodge-Laplace problem defined on a n-dimensional domain D (n ≥ 1), with random forcing term. In particular, we focus on the magnetostatic problem and on the Darcy problem in the three dimensional case. We derive and analyze the moment equations, that is the deterministic equations solved by the m-th moment (m ≥ 1) of the unique stochastic solutio...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
Brian Keating George Vahala Jeffrey Yepez Min Soe Linda Vahala

There are two disparate formulations of the entropic lattice Boltzmann scheme: one of these theories revolves around the analog of the discrete Boltzmann H function of standard extensive statistical mechanics, while the other revolves around the nonextensive Tsallis entropy. It is shown here that it is the nonenforcement of the pressure tensor moment constraints that lead to extremizations of e...

1993
D. C. Zheng

It is shown that when higher-shell admixtures are included for systems with two valence particles or holes, there are effects which are quite different from those for one-valence-nucleon systems. For example, for nuclei with one valence particle or hole, there is no first-order correction for the magnetic dipole moment or the Gamow-Teller transition amplitude. However for nuclei with two valenc...

2007
C. T. Sachrajda

We present results for the couplings of light vector mesons to vector and tensor currents and on the low moments of the light-cone distribution amplitudes of the pion and kaon. The calculations are performed on the RBC and UKQCD collaborations’ ensembles generated with the Iwasaki gauge action and with 2+1 flavours of domain wall fermions. The (preliminary) results for the ratios of the couplin...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2010
Luis A Pugnaloni Iván Sánchez Paula A Gago José Damas Iker Zuriguel Diego Maza

We analyze, experimentally and numerically, the steady states, obtained by tapping, of a two-dimensional granular layer. Contrary to the usual assumption, we show that the reversible (steady state branch) of the density-acceleration curve is nonmonotonous. Accordingly, steady states with the same mean volume can be reached by tapping the system with very different intensities. Simulations of di...

2014
Brian P. Dolan

Conditions for thermodynamic stability of asymptotically anti-de Sitter rotating black holes in D-dimensions are determined. Local thermodynamic stability requires not only positivity conditions on the specific heat and the moment of inertia tensor but it is also necessary that the adiabatic compressibility be positive. It is shown that, in the absence of a cosmological constant, neither rotati...

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