The extra term added while discretizing the transient term of a flow with density ρ and flow variable φ using the first-order explicit Euler scheme is _________

\(\Delta t\frac{\partial^2(\rho\phi)}{\partial t^2}\)

\(-\Delta t\frac{\partial^2(\rho\phi)}{\partial t^2}\)

\(\frac{\Delta t}{2}\frac{\partial^2(\rho\phi)}{\partial t^2}\)

\(-\frac{\Delta t}{2}\frac{\partial^2(\rho\phi)}{\partial t^2}\)

The extra term added while discretizing the transient term of a flow

1.	The extra term added while discretizing the transient term of a flow with density ρ and flow variable φ using the first-order explicit Euler scheme is _________
A.	\(\Delta t\frac{\partial^2(\rho\phi)}{\partial t^2}\)
B.	\(-\Delta t\frac{\partial^2(\rho\phi)}{\partial t^2}\)
C.	\(\frac{\Delta t}{2}\frac{\partial^2(\rho\phi)}{\partial t^2}\)
D.	\(-\frac{\Delta t}{2}\frac{\partial^2(\rho\phi)}{\partial t^2}\)
Answer» E.

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