作者: 高興一回 時(shí)間: 2025-3-21 23:24
Stochastic Analysis and Related Topicsdies on coarse grids. A steam generator is modeled with a three-layer problem: the water layer, the humid air layer, and the environmental boundary in nearly homogeneous turbulence with strong acoustical disturbances, which are common in the multi-phase flows in pipes. The density gradient correlati作者: 刻苦讀書(shū) 時(shí)間: 2025-3-22 03:58 作者: 叫喊 時(shí)間: 2025-3-22 08:07 作者: obstinate 時(shí)間: 2025-3-22 10:19
erence on Computational Fluid Dynamics is held every two years and brings together physicists, mathematicians and engineers to review and share recent advances in mathematical and computational techniques for modeling fluid flow. The proceedings of the 2010 conference (ICCFD6) held in St Petersburg,作者: Hippocampus 時(shí)間: 2025-3-22 15:24
Rama Cont,Peter Tankov,Ekaterina Voltchkovad for both an analysis of the solution convergence details with decreasing mesh step size (for equations of Fluid Dynamics) and the motivation of modeling an elastoplastic media by an “effective elastic deformation” and the employment of Maxwell’s viscosities.作者: Hippocampus 時(shí)間: 2025-3-22 18:58
Some Results on Entropic Projections,d for conservative systems, whereas the system of interest is not conservative. We show how to circumvent this difficulty, and prove the accuracy and the robustness of our method on one and two dimensional numerical tests.作者: Instrumental 時(shí)間: 2025-3-22 23:46
An Example of the Singular Coupling Limit,roduce a relaxation model in order to stabilize approximations of the Eulerian part of the particle phase. We present an analytic validation and numerical results when coupling with the Lagrangian data.作者: ZEST 時(shí)間: 2025-3-23 05:24
Franco Fagnola,Rolando Rebolledoextends previous work by applying a spectral element method of a least squares type to solve this equation when studying three-dimensional transient multi-phase flow. The analysis is focused on the use of a velocity distribution which depends on the bubble size.作者: Intuitive 時(shí)間: 2025-3-23 09:34 作者: 一起平行 時(shí)間: 2025-3-23 11:53
Runge–Kutta Discontinuous Galerkin Method for Multi–phase Compressible Flowsd for conservative systems, whereas the system of interest is not conservative. We show how to circumvent this difficulty, and prove the accuracy and the robustness of our method on one and two dimensional numerical tests.作者: 該得 時(shí)間: 2025-3-23 14:48 作者: 大廳 時(shí)間: 2025-3-23 19:21 作者: exhibit 時(shí)間: 2025-3-24 01:37 作者: 思想靈活 時(shí)間: 2025-3-24 02:56
The Expanding Role of Applications in the Development and Validation of CFD at NASA its unforeseen benefits are discussed and tied to specific operational examples. There are distinct advantages for the CFD developer that is able to operate in this paradigm, and recommendations are provided for those inclined and willing to work in this environment.作者: Contend 時(shí)間: 2025-3-24 09:09 作者: 摘要記錄 時(shí)間: 2025-3-24 13:37
Stochastic Analysis and Mathematical Physicsn the conventional counterparts. Numerical results show that the new ESWENO schemes are stable and significantly outperform the corresponding WENO schemes of Jiang and Shu in terms of accuracy, while providing essentially non-oscillatory solutions near strong discontinuities.作者: gregarious 時(shí)間: 2025-3-24 15:59
Energy Stable WENO Schemes of Arbitrary Ordern the conventional counterparts. Numerical results show that the new ESWENO schemes are stable and significantly outperform the corresponding WENO schemes of Jiang and Shu in terms of accuracy, while providing essentially non-oscillatory solutions near strong discontinuities.作者: Gratuitous 時(shí)間: 2025-3-24 21:50 作者: 內(nèi)行 時(shí)間: 2025-3-25 00:28 作者: Evacuate 時(shí)間: 2025-3-25 06:51
The Expanding Role of Applications in the Development and Validation of CFD at NASAethods to problems for which little or no previous validation data directly applies. The chapter discusses the evolution of NASA’s CFD development from a strict “Develop, Validate, Apply” strategy to sometimes allowing for a “Develop, Apply, Validate” approach. The risks of this approach and some of作者: Diskectomy 時(shí)間: 2025-3-25 10:06 作者: colostrum 時(shí)間: 2025-3-25 15:27 作者: 狗舍 時(shí)間: 2025-3-25 17:08
Assessment of the Spectral Volume Method on Inviscid and Viscous Flowsreconstruction is exposed briefly and its applications to the Euler equations are presented through several test cases to assess its accuracy and stability. Comparisons with classical methods such as MUSCL show the superiority of SVM. The SVM method arises as a high-order accurate scheme, geometrica作者: GEST 時(shí)間: 2025-3-25 20:19
Runge–Kutta Discontinuous Galerkin Method for Multi–phase Compressible Flowspose to use the Runge-Kutta Discontinuous Galerkin method. The development of such a method is not straightforward, because it was originally developed for conservative systems, whereas the system of interest is not conservative. We show how to circumvent this difficulty, and prove the accuracy and 作者: Seizure 時(shí)間: 2025-3-26 03:41 作者: gospel 時(shí)間: 2025-3-26 05:27 作者: MAUVE 時(shí)間: 2025-3-26 11:59
Parallel Direct Simulation Monte Carlo of Two-Phase Gas-Droplet Laser Plume Expansion from the Bottodel of the irradiated target, Direct Simulation Monte Carlo method for flow of multi-component gas mixture in the plume, and a Lagrangian scheme for tracking of trajectories of individual sub-micron droplets generated on the irradiated surface. The model is implemented in a parallel computational co作者: BOGUS 時(shí)間: 2025-3-26 13:50
Study of Dispersed Phase Model for the Simulation of a Bubble Columnalance equation (PBE) can be used to describe the evolution of the dispersed phase. Nevertheless, this is computationally demanding. The present work extends previous work by applying a spectral element method of a least squares type to solve this equation when studying three-dimensional transient m作者: 不能仁慈 時(shí)間: 2025-3-26 20:53
Application of Invariant Turbulence Modeling of the Density Gradient Correlation in the Phase Change. However, the accuracy of the methods fully depends on the equipment and the environment. A new method that directly installs the phase change model into the system of fluid dynamics equations is studied for improvement. First, a turbulence model for the phase field model below the boiling point or作者: indemnify 時(shí)間: 2025-3-26 20:57
Reformulated Osher-Type Riemann SolverWe compare the reformulated scheme of this chapter with the original Osher scheme on a series of test problems for the one-dimensional Euler equations for ideal gases, concluding that the present solver is simpler, more robust, more accurate and can be applied to any hyperbolic system.作者: hereditary 時(shí)間: 2025-3-27 01:42 作者: 闖入 時(shí)間: 2025-3-27 06:33 作者: 要控制 時(shí)間: 2025-3-27 11:31
A Unifying Discontinuous CPR Formulation for the Navier–Stokes Equations on Mixed Gridskes equations for mixed grids. The CPR framework can unify several popular high order methods including the discontinuous Galerkin and the spectral volume methods into a differential formulation without explicit volume or surface integrations. Several test cases are computed to demonstrate its performance.作者: Limerick 時(shí)間: 2025-3-27 13:36
Assessment of the Spectral Volume Method on Inviscid and Viscous Flowsreconstruction is exposed briefly and its applications to the Euler equations are presented through several test cases to assess its accuracy and stability. Comparisons with classical methods such as MUSCL show the superiority of SVM. The SVM method arises as a high-order accurate scheme, geometrically flexible and computationally efficient.作者: CURT 時(shí)間: 2025-3-27 17:58
Reformulated Osher-Type Riemann SolverWe compare the reformulated scheme of this chapter with the original Osher scheme on a series of test problems for the one-dimensional Euler equations for ideal gases, concluding that the present solver is simpler, more robust, more accurate and can be applied to any hyperbolic system.作者: 有毒 時(shí)間: 2025-3-28 01:22
Ana Bela Cruzeiro,Jean Claude Zambriniethods to problems for which little or no previous validation data directly applies. The chapter discusses the evolution of NASA’s CFD development from a strict “Develop, Validate, Apply” strategy to sometimes allowing for a “Develop, Apply, Validate” approach. The risks of this approach and some of作者: acrobat 時(shí)間: 2025-3-28 03:25
Rama Cont,Peter Tankov,Ekaterina Voltchkovase principles in problems of elastic and elastoplastic deformations is outlined. The presentation is based on extensive numerical simulations performed for both an analysis of the solution convergence details with decreasing mesh step size (for equations of Fluid Dynamics) and the motivation of mode作者: 遵循的規(guī)范 時(shí)間: 2025-3-28 09:47 作者: 雀斑 時(shí)間: 2025-3-28 11:41
L. Bertini,N. Cancrini,G. Jona-Lasinioreconstruction is exposed briefly and its applications to the Euler equations are presented through several test cases to assess its accuracy and stability. Comparisons with classical methods such as MUSCL show the superiority of SVM. The SVM method arises as a high-order accurate scheme, geometrica作者: 閃光你我 時(shí)間: 2025-3-28 16:09 作者: Pathogen 時(shí)間: 2025-3-28 22:07 作者: Minuet 時(shí)間: 2025-3-29 00:46
An Example of the Singular Coupling Limit,lations for description of the dispersed phase while the properties of the fluid remain calculated with the Eulerian approach. For that purpose we introduce a relaxation model in order to stabilize approximations of the Eulerian part of the particle phase. We present an analytic validation and numer作者: Uncultured 時(shí)間: 2025-3-29 03:15 作者: exclamation 時(shí)間: 2025-3-29 11:19
Franco Fagnola,Rolando Rebolledoalance equation (PBE) can be used to describe the evolution of the dispersed phase. Nevertheless, this is computationally demanding. The present work extends previous work by applying a spectral element method of a least squares type to solve this equation when studying three-dimensional transient m作者: AXIS 時(shí)間: 2025-3-29 12:47 作者: 延期 時(shí)間: 2025-3-29 15:46
Stochastic Analysis and Related TopicsWe compare the reformulated scheme of this chapter with the original Osher scheme on a series of test problems for the one-dimensional Euler equations for ideal gases, concluding that the present solver is simpler, more robust, more accurate and can be applied to any hyperbolic system.作者: 座右銘 時(shí)間: 2025-3-29 21:11 作者: abnegate 時(shí)間: 2025-3-30 02:53
L. Bertini,N. Cancrini,G. Jona-Lasinioreconstruction is exposed briefly and its applications to the Euler equations are presented through several test cases to assess its accuracy and stability. Comparisons with classical methods such as MUSCL show the superiority of SVM. The SVM method arises as a high-order accurate scheme, geometrically flexible and computationally efficient.
