Simulate mach reflection with mach stem generation using Ansys Fluent

In summary, the conversation discusses the topic of simulating Mach reflection with Mach stem generation using Ansys Fluent. The individual has a basic understanding of the software and is advised to first simulate sub-sonic flow and reflection before attempting supersonic flow. The conversation also mentions the individual's academic background and suggests starting with simpler simulations before tackling more complex ones.
  • #1
Vin B
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I need to simulate mach reflection with mach stem generation using on Ansys Fluent. The wedge angle is of 22deg at Mach 5.
 
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  • #2
Vin B said:
I need to simulate mach reflection with mach stem generation using on Ansys Fluent. The wedge angle is of 22deg at Mach 5.
Welcome to PF. What experience do you have so far running simulations in Ansys Fluent?
 
  • #3
berkeman said:
Welcome to PF. What experience do you have so far running simulations in Ansys Fluent?
Thank you! I have a basic understanding. Nothing in depth
 
  • #4
You may want to simulate sub-sonic flow and reflection before trying to tackle supersonic flow. Have you run any sub-sonic simulations yet? What class is this for, and what year are you in university?
 
  • #5
berkeman said:
You may want to simulate sub-sonic flow and reflection before trying to tackle supersonic flow. Have you run any sub-sonic simulations yet? What class is this for, and what year are you in university?
I fail to understand how you can simulate Mach reflection in a subsonic flow. But otherwise I agree, @Vin B needs to walk before attempting to run.
 
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1. What is mach reflection and how is it simulated?

Mach reflection is a phenomenon that occurs when a shock wave reflects off a solid surface and creates a secondary shock wave. This can be simulated using computational fluid dynamics (CFD) software, such as Ansys Fluent, by solving the governing equations of fluid flow and accounting for the shock wave behavior.

2. What is mach stem generation and why is it important in simulating mach reflection?

Mach stem generation is the formation of a strong shock wave at the intersection of the primary and reflected shock waves. It is important in simulating mach reflection because it significantly affects the flow patterns and pressure distribution, and can lead to changes in the overall behavior of the shock wave.

3. How does Ansys Fluent handle the simulation of mach reflection with mach stem generation?

Ansys Fluent uses a variety of numerical methods, such as shock-capturing schemes and adaptive mesh refinement, to accurately capture the complex flow behavior involved in mach reflection with mach stem generation. It also has the capability to model both compressible and incompressible flows, which is crucial in simulating this phenomenon.

4. What are some important factors to consider when setting up a simulation of mach reflection with mach stem generation in Ansys Fluent?

Some important factors to consider include the initial conditions, such as the incoming flow velocity and angle, the geometry and material properties of the solid surface, and the boundary conditions. It is also important to carefully select the appropriate turbulence model and mesh settings to ensure accurate results.

5. What are some potential applications of simulating mach reflection with mach stem generation using Ansys Fluent?

Simulating mach reflection with mach stem generation can have various applications in aerospace engineering, such as in the design and analysis of supersonic aircraft and missiles. It can also be used to study the effects of shock waves on structures and to improve the understanding of shock wave interactions in different flow scenarios.

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