Preview Questions Aerodynamics Engineer | Role Specific Skill

Question 1: In CFD, what is the role of discretization?

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Optimizing mesh structures

Calculating boundary conditions

Validating simulation results

Transforming differential equations into algebraic equations

Question 2: How does the use of computational fluid dynamics (CFD) complement physical aerodynamic testing?

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By eliminating experimental errors

By replacing the need for physical models

By providing a cost-effective solution for flow simulation

By improving material analysis

Question 3: When testing the downforce of a vehicle in a wind tunnel, why is it important to measure the lift-to-drag ratio?

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To optimize the balance between aerodynamic performance and stability

To reduce the risk of vehicle instability at high speeds

To calculate the fuel consumption at high speeds

To determine the most aerodynamically efficient shape

Question 4: How does a vehicle's exhaust system design affect its aerodynamic performance?

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It has no effect on aerodynamics

It improves aerodynamics by reducing pressure behind the vehicle

It increases downforce by redirecting airflow

It increases the drag due to higher flow resistance

Question 5: How does vehicle shape influence boundary layer formation in aerodynamic testing?

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Determines pressure distribution

Reduces turbulence near sharp edges

Promotes separation at low speeds

Controls airflow velocity

Question 6: What is the effect of under-relaxation factors in iterative CFD solvers?

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Speeds up convergence

Stabilizes the solution

Slows down divergence

Introduces numerical diffusion