Compressible Flows
Existence and Uniqueness of the Navier-Stokes Problem for Compressible Flows
... Abstract—This paper is presented a generalization of the Cauchy problem for the three dimensional Navier-Stokes equations with Holder continuous coefficients in the Cartesian coordinate system. Using the parametrix ...
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A Family of Higher-Order Implicit Time Integration Methods for Unsteady Compressible Flows.
... After the theory was verified for one-dimensional case, it was further explored for the two-dimensional case. The developed methods had also been applied to compute a variety of time-accurate flow problems on arbitrary ...
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Fluid Dynamics Android Application: An Efficient Semi-implicit Solver for Compressible Flows
... Abstract: The computing power of smartphones has not received considerable attention in the mainstream education system. Most of the education-oriented smartphone applications (apps) are limited to general purpose ...
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Near-wall scaling for incompressible and compressible flows
... and compressible flows. It concen- trates on flows with streamwise pressure gradients which render traditional scaling ...incompressible flows a scaling for the velocity profiles is introduced ...
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A Parallel Implicit Reconstructed Discontinuous Galerkin Method for Compressible Flows on Hybrid Grids.
... the compressible Navier-Stokes equations, in which the procedures to assemble the approximate Jacobians of the BR2 viscous flux function were described in ...
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On the implicit density based OpenFOAM solver for turbulent compressible flows
... The fully implicit coupled methods (see eg. [5], [3]) provides much better efficiency usually at the price of much higher complexity of the code and higher mem- ory requirements. Besides the fully implicit method the ...
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A Jacobian-free edged-based Galerkin formulation for compressible flows
... The effectiveness of Krylov subspace linear system solvers depends on good preconditioners. The widely-used Incomplete Lower-Upper (ILU) factorization not only requires storing the system matrix but also its ...
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Comparison of high order algorithms in Aerosol and Aghora for compressible flows
... (arbitrary order) finite element library based on discontinuous elements. The code solves the 3d compressible Euler and Navier-Stokes equations with different modelization levels such as DNS, LES and RANS ...
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Numerical simulation of turbulent compressible flows in a C-D nozzle with different divergence angles
... with the range of nozzle pressure ratio 6 to 10 are simulated. The ambient temperature of 300 K and the ambient pressure of 101325 Pa are considered. Turbulence intensity of 10% and hydraulic diameter of 0.0704m are ...
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Compressible flows at small Reynolds numbers
... -v- TABLE OF CONTENTS PAGE Chapter Introduction 1 II The Formulation of Lagerstrom-Chester Theory 4 III The Solution of the Lagerstrom-Chester Paradox l0 IV A New Slip Condition 25 Forma[r] ...
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A cell-centered Arbitrary Lagrangian Eulerian (ALE) method for multi-material compressible flows
... Fidelity in tracking multifluid interfaces makes the Lagrangian frame of reference attractive for a wide variety of hydrocode applications. Unfortunately, since the mesh moves with the flow, convolution of the flow can ...
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Properties of highly nonlinear waves in compressible flows
... Having investigated a possible scenario for wave generation in the lower atmosphere, I decided to examine in detail the process by which wave energy can be lost from a propagating highly[r] ...
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Numerical Modelling of Aerodynamic Noise in Compressible Flows
... The compressible Navier-Stokes equations can numeri- cally predict the aerodynamic as well as acoustic flow field ...the compressible in-house CFD ...
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Domain decomposition preconditioners for discontinuous Galerkin discretizations of compressible fluid flows
... In this article we have considered the application of Schwarz-type domain decomposi- tion preconditioners for discontinuous Galerkin finite element approximations of compress- ible fluid flows. Here, the coarse ...
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Numerical simulation of compressible cavitating two-phase flows with a pressure-based solver
... both compressible and incompressible ...compressible flows. Consequently, a direct comparison between compressible and incompressible flow fields simulations can be obtained, with no major ...
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Dynamic relaxation processes in compressible multiphase flows. Application to evaporation phenomena
... Abstract. Phase changes and heat exchanges are examples of physical processes appearing in many industrial applications involving multiphase compressible flows. Their knowledge is of fundamental importance ...
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Parametric Study of Unsteady Flows Near Blunted Cylinders, Giving Off Opposite Jets
... Unsteady compressible flows near blunted bodies, giving off supersonic opposite jets, are found in previous author investigations for free stream Mach numbers 1≤ M ...unsteady flows exist, is ...
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Numerical Simulation of Compressible Two-phase Flows Using an Eulerian Type Reduced Model
... of compressible flows between two immiscible fluids have been performed ...of compressible flow ...of compressible multiphase flows with different materials and physical ...
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Online Full Text
... HE development of gas-kinetic schemes for solving compressible flows in recent time has received a lot of attention and progress, especially in the last two decades. Among those notably promising ones are ...
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Two-stage fourth order: temporal-spatial coupling in computational fluid dynamics (CFD)
... labelled as the “2 2 = 4” algorithm, which was independently derived in [4] for hyper- bolic conservation laws. See the discussion in the subsequent sections. For (5), the first “2” represents the two-stage approach, the ...
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