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MicroTunnel ®

a

Virtual Wind Tunnel for the PC

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  • MicroTunnel analyzes 2-D and axisymmetric subsonic, transonic, and supersonic flow (Mach 0.1 to 10) over multi-element configurations on an 800x600 Cartesian cut-cell mesh. Flow visualization is provided through color maps of local Mach number, density, pressure, and temperature, including streamline plots. Shock waves are easily captured!
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  • MicroTunnel runs out of Microsoft Windows through simple "point and click" operations, which are outlined in an easy-to-follow tutorial. While the program is computing, other applications can still be run with minimal sacrifice in performance. Any screen output can be sent to a color printer.
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  • MicroTunnel is based on a finite volume description of the unsteady Euler equations using Van Leer type flux vector splitting. A solution is marched in time from an instantaneous acceleration of the flow and generally converges to steady or quasi-steady state within six hours on a system with minimum requirements.
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  • MicroTunnel runs the world's fastest unsteady inviscid flow solver, integrating nearly half a million cells each time step in under two seconds on a 1GHz Pentium PC. Its speed is derived from an assembly coded routine, which minimizes memory access by using all eight floating-point registers of the numeric coprocessor at 80-bit precision.
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  • MicroTunnel can be downloaded in less than 15 minutes using a 28.8 kbs modem. The 1.68 MB installation file is a compressed, self-extracting executable, which will guide you through the setup of the program and all supporting files. The software costs $150 but can be run free for a trial period of three days. There is no obligation to buy!
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  • MicroTunnel is an excellent educational tool for anyone studying aerodynamics, computational fluid dynamics, gas dynamics, or compressible flow. Educational institutions can purchase licenses for their students at a three-for-one discount rate, either as part of a site license or for individual use.

 

  • Transonic Flow over Prism (Mach 0.9)  (Animate)

  •   Mach Number Contour (13KB)

  •   Mach Number Contour (Full Screen)

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  • Supersonic Flow over Prism (Mach 3.0)

  • Temperature Contour (9KB)

  • Temperature Contour (Full Screen)

 

 

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