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Computational Fluid Dynamics ( And Visualization Thereof ) John T. Bell CS 526 at UIC 12 February 2004.

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Presentation on theme: "Computational Fluid Dynamics ( And Visualization Thereof ) John T. Bell CS 526 at UIC 12 February 2004."— Presentation transcript:

1 Computational Fluid Dynamics ( And Visualization Thereof ) John T. Bell CS 526 at UIC 12 February 2004

2 What is CFD, and Who Cares ? Simply put, CFD is the calculation of properties of a flowing fluid. Practical problems may include energy flow, chemical reactions, phase changes, … Domain is often ( irregular ) 3D, plus time. Results may be scalar, but more often are n-D Relevant industries include automotive, chemical processing, aerospace, HVAC,...

3 Automotive Aerodynamics...

4 ... And Interior Comfort...

5 ... And Engine Conditions

6 Process Engineering

7 Aeronautics

8 NASA Ames’ Virtual Windtunnel

9 HVAC

10 VTK Examples

11 So How is CFD Calculated ?

12 Classic Differential Equations Navier-Stokes: Continuity: Cons. Energy:

13 Fourth Order Runge-Kutta

14 Conclusions Computational Fluid Dynamics is an important tool in many branches of science and engineering. Results are typically n-D, over 3-D plus time. CFD calculations require simultaneous solution of many sets of differential equations, typically involving 4th order Runge-Kutta in 3-D space. Visualization of CFD data is an important and challenging problem, requiring clever use of all available visualization tools and skills.

15 References Fluent Inc.: Schulz, Martin et. al.: “Interactive Visualization of Fluid Dynamics Simulations in Locally Refined Cartesian Grids”. IEEE, NASA: applications.html and Reports/ Techreports/1992/HTML/RNR html Schroeder et. al.: “The Visualization Toolkit, 3rd Ed.” SDSC: Welty, Wicks, & Wilson, “Fundamentals of Momentum, Heat, and Mass Transfer, 2nd Ed.”, Wiley, Press, William et. al.: “Numerical Recipes in C”.


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