MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
According to the first-order explicit Euler scheme, the value at time-step t-\(\frac{\Delta t}{2}\) is approximated to be equal to the value at __________ |
| A. | t+\(\frac{\Delta t}{2}\) |
| B. | t |
| C. | t-Δt |
| D. | t+Δt |
| Answer» C. t-Δt | |
| 2. |
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. | |
| 3. |
If the first-order implicit Euler scheme is used, the value at t+Δt/2 is replaced by the value at _________ |
| A. | t |
| B. | t-\(\frac{\Delta t}{2}\) |
| C. | t+Δt |
| D. | t-Δt |
| Answer» D. t-Δt | |