نتایج جستجو برای: artificial state equation
تعداد نتایج: 1309158 فیلتر نتایج به سال:
در این پایان نامه یک روش عددی برای حل معادلات کسری-زمانی و کسری-فضایی برگر egin{equation*} d_t^{alpha}u+varepsilon uu_{x}= u u_{xx}+eta d_x^{eta}u, end{equation*} معادله ی کسری-زمانی و کسری-فضایی پوآسن egin{equation*} d_x^{eta}u + d_t^{alpha}u = f(x,t), end{equation*} و معادله ی کسری-زمانی انتشار egin{equation*} d_t^alpha u+u=k abla^2 u + f(x,t), end{equation*} ...
We present the results of a study of heavy-light-quark bound states in the context of the reduced Bethe-Salpeter equation with relativistic vector and scalar interactions. We find that satisfactory fits may also be obtained when the retarded effect of the quark-antiquark interaction is concerned. PACS number(s): 12.39.Ki, 12.39.Pn, 12.40.Yx ∗Alexander von Humboldt fellow
In this article, we investigate the structures of the pseudoscalar charmonium and bottomonium in the framework of the coupled rainbow SchwingerDyson equation and ladder Bethe-Salpeter equation with the confining effective potential (infrared modified flat bottom potential). As the current masses are very large, the dressing or renormalization for the c and b quarks are tender, however, mass pol...
An adaptive method for high-order discretizations of the Reynolds-averaged NavierStokes (RANS) equations is examined. The RANS equations and Spalart-Allmaras (SA) turbulence model are discretized with a dual consistent, discontinuous Galerkin discretization. To avoid oscillations in the solution in under-resolved regions, particularly the edge of the boundary layer, artificial dissipation is ad...
Nuclear equation of state plays an important role in the evolution of the Universe, in supernova explosions and, thus, in the production of heavy elements, and in stability of neutron stars. The equation constrains the twoand three-nucleon interactions and the quantum chromodynamics in nonperturbative regime. Despite the importance of the equation, though, its features had remained fairly obscu...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
Bubble point pressure is an important parameter in equilibrium calculations of reservoir fluids and having other applications in reservoir engineering. In this work, an artificial neural network (ANN) and a least square support vector machine (LS-SVM) have been used to predict the bubble point pressure of reservoir fluids. Also, the accuracy of the models have been compared to two-equation stat...
In [1], Samoilov, Plyasunov, and Arkin provide an example of a chemical reaction whose full stochastic (Master Equation) model exhibits bistable behavior, but for which the deterministic (mean field) version has a unique steady state. The reaction that they provide consists of an enzymatic futile mechanism driven by a second reaction which induces " deterministic noise " on the concentration of...
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