Results 1 to 10 of about 7,490 (301)

On the thermodynamical restrictions in isothermal deformations of fractional Burgers model. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2020
We investigate, in the distributional setting, the restrictions on the constitutive equation for a fractional Burgers model of viscoelastic fluid that follow from the weak form of the entropy inequality under isothermal conditions. The results are generalized, from the Burgers model, to an arbitrary class of linear constitutive equations with ...
Atanacković TM, Janev M, Pilipović S.
europepmc   +6 more sources

A sub-grid scale model for Burgers turbulence based on the artificial neural network method

open access: goldTheoretical and Applied Mechanics Letters
The present study proposes a sub-grid scale model for the one-dimensional Burgers turbulence based on the neural network and deep learning method. The filtered data of the direct numerical simulation is used to establish the training data set, the ...
Xin Zhao, Kaiyi Yin
doaj   +4 more sources

Coupled Burgers equations: A model of polydispersive sedimentation [PDF]

open access: greenPhysical Review E, 1995
35 pages, PHYZZX.TEX, six figures upon request (please enclose your postal address)
Sergei E. Esipov
openalex   +5 more sources

Burgers' Turbulence Models [PDF]

open access: greenThe Physics of Fluids, 1969
A detailed investigation of the stability of the solutions and the growth of secondary solutions beyond the critical points is carried out for the Burgers' model equations. It is found that the transitions at some critical points are very much like the intuitive description given by Landau; however, the possibility of finite jumps is also encountered.
K. M. Case, S. C. Chiu
openalex   +5 more sources

A BPE model for the Burgers' equation [PDF]

open access: greenPublications of the Research Institute for Mathematical Sciences, 2003
We study the BPE (Brownian particle equation) model of the Burgers equation presented in the preceding article [6]. More precisely, we are interested in establishing the existence and uniqueness properties of solutions using probabilistic techniques.
Arturo Kohatsu, Shigeyoshi Ogawa
openalex   +7 more sources

On the control of the Burgers-alpha model [PDF]

open access: greenAdvances in Differential Equations, 2013
22 ...
F. D. Araruna   +2 more
openalex   +6 more sources

Data-Driven Model Reduction for Stochastic Burgers Equations [PDF]

open access: yesEntropy, 2020
We present a class of efficient parametric closure models for 1D stochastic Burgers equations. Casting it as statistical learning of the flow map, we derive the parametric form by representing the unresolved high wavenumber Fourier modes as functionals of the resolved variables’ trajectory. The reduced models are nonlinear autoregression (NAR)

exaly   +5 more sources

Stability and uniqueness for a turbulence model of Burgers [PDF]

open access: bronzeQuarterly of Applied Mathematics, 1978
In his early work on mathematical models of turbulence, J. M. Burgers proposed a nonlinear system, coupling an ordinary and a partial differential equation, to simulate flow in a channel. The now well-known Burgers equation arose in his work from a simplification of this system.
Cornelius O. Horgan, W. E. Olmstead
openalex   +2 more sources

Study on long-term stability of downhill protective coal pillars in deep mines based on Burgers model

open access: greenMeikuang Anquan
The protective coal pillars in the downhill sections of deep mines are long-term in a complex environment of “three highs and one disturbance”(high stress, high water pressure, high ground temperature and excavation disturbance) , and their cumulative ...
Zhichao DUAN   +3 more
doaj   +2 more sources

Research on Unsteady Burgers Creep Constitutive Model and Secondary Development Application

open access: goldApplied Sciences
Considering the complexity and diversity of water-rich soft soil strata, indoor triaxial shear tests and creep tests were conducted on soft soil to explore its deformation law and creep characteristics.
Ruonan Zhu   +4 more
doaj   +2 more sources

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