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An account is given of the state of the art of numerical methods employed in computational fluid dynamics. Numerical principles are treated in detail, using.
Table of contents
- Numerical methods for incompressible fluids
- Bibliographic Information
- Principles of Computational Fluid Dynamics PIETER_WESSELING
- Navier-Stokes equations -- CFD-Wiki, the free CFD reference
Springer Eymard , T. Ghilani and R. Herbin , Error estimates for the approximate solutions of a nonlinear hyperbolic equation given by finite volume schemes. IMA J. Oxford University Press Felcman and I. Clarendon Press Fortin , H.
Manouzi and A. Soulaimani , On finite element approximation and stabilization methods for compressible viscous flows. Methods Fluids 17 Guermond and L. Quartapelle , A projection FEM for variable density incompressible flows. Guermond , P. Minev and J.
Shen , An overview of projection methods for incompressible flows. Methods Appl. Harlow and A. Amsden , Numerical calculation of almost incompressible flow.
Numerical methods for incompressible fluids
Amsden , A numerical fluid dynamics calculation method for all flow speeds. Issa , Solution of the implicitly discretised fluid flow equations by operator splitting. Issa and M. Javareshkian , Pressure-based compressible calculation method utilizing total variation diminishing schemes. AIAA J.
Issa , A. Gosman and A. Watkins , The computation of compressible and incompressible recirculating flows by a non-iterative implicit scheme. Karki and S. Patankar , Pressure based calculation procedure for viscous flows at all speeds in arbitrary configurations. Kobayashi and J. Pereira , Characteristic-based pressure correction at all speeds.
Principles of Computational Fluid Dynamics PIETER_WESSELING
Larrouturou , How to preserve the mass fractions positivity when computing compressible multi-component flows. Marion and R.
Moukalled and M. Darwish , A high-resolution pressure-based algorithm for fluid flow at all speeds. Nithiarasu , R. The most common body force is that due to gravity. Electromagnetic phenomena may also create body forces, but this is a rather specialized situation. Surface forces act on only surface of a control volume at a time and arise due to pressure or viscous stresses.
We find a general expression for the surface force per unit volume of a deformable body. Consider a rectangular parallelepiped with sides and hence with volume. At the moment we assume this parallelepiped isolated from the rest of the fluid flow , and consider the forces acting on the faces of the parallelepiped. To both faces of the parallelepiped perpendicular to the axis and having the area applied resulting stresses , equal to and respectively.
Newton came up with the idea of requiring the stress to be linearly proportional to the time rate at which at which strain occurs. Specifically he studied the following problem. There are two flat plates separated by a distance. The top plate is moved at a velocity , while the bottom plate is held fixed. Newton postulated since then experimentally verified that the shear force or shear stress needed to deform the fluid was linearly proportional to the velocity gradient:. The proportionality factor turned out to be a constant at moderate temperatures, and was called the coefficient of viscosity,.
Furthermore, for this particular case, the velocity profile is linear, giving. Fluids that have a linear relationship between stress and strain rate are called Newtonian fluids. This is a property of the fluid, not the flow. Water and air are examples of Newtonian fluids, while blood is a non-Newtonian fluid.
Stokes extended Newton's idea from simple 1-D flows where only one component of velocity is present to multidimensional flows. He developed the following relations, collectively known as Stokes relations. The quantity is called molecular viscosity, and is a function of temperature. The coefficient was chosen by Stokes so that the sum of the normal stresses , and are zero. The equation of motion for a Newtonian fluid is obtained by constitutive equation into Cauchy's equation to obtain.
If the temperature differences are small within the fluid, then can be taken outside the derivative, which then reduces to. For incompressible fluids , and using vector notation, the incompressible Navier-Stokes equation reduces to. By applying the first law of thermodynamics to a material volume we find.
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Navier-Stokes equations -- CFD-Wiki, the free CFD reference
New Releases. Description This up-to-date book gives an account of the present state of the art of numerical methods employed in computational fluid dynamics. The underlying numerical principles are treated in some detail, using elementary methods. The author gives many pointers to the current literature, facilitating further study. This book will become the standard reference for CFD for the next 20 years. Product details Format Paperback pages Dimensions x x Illustrations note XII, p. Other books in this series.
Add to basket. Geometric Numerical Integration Ernst Hairer. Elliptic Differential Equations Wolfgang Hackbusch. Boundary Integral Equations George C. Back cover copy The book is aimed at graduate students, researchers, engineers and physicists involved in flow computations.