Practice Boundary Conditions In Cfd (2) - Introduction to CFD & HT

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10 questions

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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a boundary condition in CFD?
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Think about the edges of the simulation.
Question 2.
Name one type of boundary condition.
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Remember the constraints around the fluid domain.
3Question 3.
What does a Dirichlet condition set?
- A fixed value
- A fixed gradient
- A mixed value
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Remember the type of condition that specifies exactly what the value is.
4Question 4.
True or False: Symmetry boundary conditions can reduce the computational effort needed in simulations.
- True
- False
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Think about how symmetry can simplify models.
Question 5.
Given a scenario where airflow is symmetrical about an axis, explain how you would set up the boundary conditions and why you would choose symmetry.
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Reflect on how symmetry can lessen calculations while retaining accuracy.
Question 6.
In a simulation of water flow through a pipe where the walls are insulated, devise a set of boundary conditions including the types utilized.
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Consider the effects of insulation on temperature gradient.

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