نتایج جستجو برای: moment tensor

تعداد نتایج: 102429  

Journal: :J. Comput. Physics 2014
Paul J. Dellar

The vast majority of lattice Boltzmann algorithms produce a non-Galilean invariant viscous stress. This defect arises from the absence of a term in the third moment, the equilibrium heat flow tensor, proportional to the cube of the fluid velocity. This moment cannot be specified independently of the lower moments on the standard lattices such as D2Q9, D3Q15, D3Q19 or D3Q27. A partial correction...

Journal: :فیزیک زمین و فضا 0
فریده سادات میردامادی دانشجوی کارشناسی ارشد ژئوفیزیک، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران، ایران مهدی رضاپور دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران، ایران

the study area locates between an active fault system of north anatolian in turkey and active alborz and zagros mountain ranges in iran. the total shortening concluded from arabia-eurasia collision with a rate of 22 mm/year across the ne persia is partitioned  into  two  fault  systems,  right-lateral  strike slip  movements  in  the  turkish-iranian  plateau  like  north tabriz fault system an...

2012
Peihua Li Qilong Wang

This paper presents Local Log-Euclidean Covariance Matrix (LECM) to represent neighboring image properties by capturing correlation of various image cues. Our work is inspired by the structure tensor which computes the second-order moment of image gradients for representing local image properties, and the Diffusion Tensor Imaging which produces tensor-valued image characterizing the local tissu...

2006
Constantin Udrişte Ariana Pitea Janina Mihăilă

This paper reformulates a problem of Sharafutdinov [4] and extend the new variant from the single-time context to the multi-time context. Section 1 is dedicated to the single-time case. It starts with well-known facts of describing geodesics as extremals. Then it is formulated and studied the problem of determination of a metric by the boundary energy. The linearization of this problem leads to...

Journal: :Machine learning: science and technology 2021

The subject of this paper is the technology (the how) constructing machine-learning interatomic potentials, rather than science what and why) atomistic simulations using potentials. Namely, we illustrate how to construct moment tensor potentials active learning as implemented in MLIP package, focusing on efficient ways sample configurations for training set, expanding set changes error predicti...

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