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A compact IRBF scheme for transient flows 37

Coupled/combined compact IRBF schemes for fluid flow and FSI problems

Coupled/combined compact IRBF schemes for fluid flow and FSI problems

... high-order compact integrated radial basis function (IRBF) scheme, where first- and second-order derivative values of the field variables are included, in combination with the direct fully coupled ...

315

Multiscale stochastic simulation of transient complex flows

Multiscale stochastic simulation of transient complex flows

... 1D-IRBF scheme combined with the DAVSS ...of flows of fibre suspensions between two parallel plates, flows through a circular tube, the 4:1 and ...contraction flows, and the 1:4 ...

276

A high-order compact local integrated-RBF scheme for steady-state incompressible viscous flows in the primitive variables

A high-order compact local integrated-RBF scheme for steady-state incompressible viscous flows in the primitive variables

... viscous flows mod- elled with the u b − p ...a compact local IRBF scheme, for the discretisation of the u b − p formulation in two ...1D IRBF approximations using values of the pressure ...

31

Compact approximation stencils based on integrated radial basis functions for fluid flows

Compact approximation stencils based on integrated radial basis functions for fluid flows

... 6 Compact local IRBF stencils for transient problems In this chapter, transient equations are ...using compact local IRBF stencils. Our numerical scheme is verified with ...

178

Simulation of transient blood flows in the artery with an asymmetric stenosis

Simulation of transient blood flows in the artery with an asymmetric stenosis

... correspond to the advection and diffusion terms, matrix A p corresponds to the pressure term and vector F provides the forcing functions for the Navier– Stoke equations. A standard backward Euler scheme is then ...

16

A high order compact scheme for hypersonic aerothermodynamics

A high order compact scheme for hypersonic aerothermodynamics

... order compact scheme for solving the compressible Navier-Stokes equations has been ...The scheme is an extension of a method originally proposed for solving the Euler equations, and combines several ...

10

A meshless level-set scheme for interfacial flows

A meshless level-set scheme for interfacial flows

... Lower derivatives and the function itself are then successively obtained via symbolic integra- tions. More recently, Mai-Cao and Tran-Cong [17] extended the method for solving transient problems including those ...

10

Numerical simulation of inviscid transient flows in shock tube and its validations

Numerical simulation of inviscid transient flows in shock tube and its validations

... Z Fig. 18 x-t diagram for the density profile (inviscid flow) Finally, to investigate the flow properties in 2D scheme, the results of the numerical simulations have been displayed in contour plots. The contour ...

11

Numerical simulation of inviscid transient flows in shock tube and its validations

Numerical simulation of inviscid transient flows in shock tube and its validations

... Fig. 18 x-t diagram for the density profile (inviscid flow) Finally, to investigate the flow properties in 2D scheme, the results of the numerical simulations have been displayed in contour plots. The contour plot ...

11

Numerical simulation of inviscid transient flows in shock tube and its validations

Numerical simulation of inviscid transient flows in shock tube and its validations

... Z Fig. 18 x-t diagram for the density profile (inviscid flow) Finally, to investigate the flow properties in 2D scheme, the results of the numerical simulations have been displayed in contour plots. The contour ...

11

Investigation of Non-Newtonian Fluid Effects  during Transient Flows in a Pipeline

Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline

... A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a non-Newtonian fluid due to instantaneous valve closure is ...

11

Comparative study compact scheme for the case of shock tube
problem

Comparative study compact scheme for the case of shock tube problem

... AUSM scheme was used to develop a one- dimensional Euler solver by using high-order compact finite-difference techniques for compressible ...the scheme as observed by other researchers namely ...

8

Air entrainment in transient flows in closed water pipes: a two-layer approach.

Air entrainment in transient flows in closed water pipes: a two-layer approach.

... for transient free surface flows that takes into account the air entrainment by a sytem of 4 partial differential ...kinetic scheme having the properties of conserving the still water steady state ...

16

Computation of transient viscous flows using indirect radial basis function networks

Computation of transient viscous flows using indirect radial basis function networks

... present scheme combines the highly accurate approximator coming from the IRBFN method with the advantage of the level set method in dealing quite naturally with the moving interface as the zero contour of a smooth ...

31

Computation of transient viscous flows using indirect radial basis function networks

Computation of transient viscous flows using indirect radial basis function networks

... discrete scheme/a method of lines ...physical flows and for the test- ing of new numerical schemes in CFD, while the last problem presents several challenges associ- ated with the moving ...

20

Compact approximation stencils based on integrated radial basis functions for fluid flows

Compact approximation stencils based on integrated radial basis functions for fluid flows

... of compact local inte- grated radial basis function (CLIRBF) stencils and its verification in the simula- tion of Newtonian and non-Newtonian fluid flows governed by the streamfunction- vorticity ...the IRBF ...

20

Electronic Design of Compact Power Supply Unit for Various Voltages in Ultrasound Transient Elastography

Electronic Design of Compact Power Supply Unit for Various Voltages in Ultrasound Transient Elastography

... The efficiency of the Integrated circuit used is 90%. The PWM inverting controllers allows implementing compact, low noise, negative output DC-DC converters for electronic applications. The device operates from ...

5

Transient growth of separated flows

Transient growth of separated flows

... maximal transient growth are localized in the vicinity of the pipe expansion and have azimuthal mode number m ...the transient response of this flow but we have also demonstrated the importance of this type ...

206

A study of turbulence in transient channel flows

A study of turbulence in transient channel flows

... 2.2 Bypass transition 9 He and Seddighi (2015) investigated various initial to final step-increase of flow rate ratios with DNS. They detected distinct differences between high and low final-to-initial Reynolds number ...

206

Accretion flows in compact binary stars

Accretion flows in compact binary stars

... The data have been normalized to the continuum so that zero corresponds to the continuum level and one to twice the continuum level... To verify this I have calcu[r] ...

132

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