The general discretised form of the transient term using the finite volume approach isFluxT=FluxC C+FluxC C +FluxV.

(- frac{ Delta t^{oo}}{ Delta t^o+ Delta t^{oo}} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )

nThe superscript o indicates the older time step. If the Crank-Nicolson method is used with non-uniform grids, what is FluxV?

(- frac{ Delta t^{oo}}{ Delta t^o} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )

( frac{ Delta t^{oo}}{ Delta t^o+ Delta t^{oo}} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )

(- frac{ Delta t^{oo}}{ Delta t^o+ Delta t^{oo}} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )

( frac{ Delta t^{oo}}{ Delta t^o} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )

The general discretised form of the transient term using the finite vo

1.	The general discretised form of the transient term using the finite volume approach is FluxT=FluxC _C+FluxC _C +FluxV.
A.	nThe superscript o indicates the older time step. If the Crank-Nicolson method is used with non-uniform grids, what is FluxV?
B.	(- frac{ Delta t^{oo}}{ Delta t^o} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )
C.	( frac{ Delta t^{oo}}{ Delta t^o+ Delta t^{oo}} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )
D.	(- frac{ Delta t^{oo}}{ Delta t^o+ Delta t^{oo}} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )
E.	( frac{ Delta t^{oo}}{ Delta t^o} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )
Answer» D. (- frac{ Delta t^{oo}}{ Delta t^o+ Delta t^{oo}} frac{ rho_c^{oo} V_C phi_c^{oo}}{ Delta t} )

Discussion

No Comment Found

Related MCQs

Which of these statements is correct regarding the Adams-Moulton scheme used on the non-uniform grids?
The general discretised form of the transient term using the finite volume approach is FluxT=FluxC C+FluxC C +FluxV.
Which of these is correct for the non-uniform time-steps? (Note: t is the distance between the centroids of two temporal elements. t is the size of a temporal element. The superscript o indicates the older time step).
If the Adams-Moulton scheme is used with the finite difference approach to get the discretized equation of the transient term with the non-uniform grid, what is the central coefficient of the current time-step? (Note: is the density and V the volume).
If the Crank-Nicolson scheme is used with the finite difference approach to get the discretized equation of the transient term with the non-uniform grid, what is the central coefficient of the second previous time-step? (Note: is the density and V the volume).
If the Crank-Nicolson scheme is used with the finite difference approach to get the discretized equation of the transient term with the non-uniform grid, what is the central coefficient of the previous time-step? (Note: is the density and V the volume).
Which of these statements is correct about the variable time-steps?
Which of these characteristics of the Crank-Nicolson scheme is affected by the non-uniform transient grids?
For which of these schemes is the interpolation profile need not be modified for the non-uniform transient grid?
Discretization of the transient term is not affected by uniform or non-uniform grids when _________