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Lamb-Oseen Vortex Simulation

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Old   October 8, 2014, 03:46
Default Lamb-Oseen Vortex Simulation
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hi,
I would like to make the simulation of the lamb-Oseen vortex and i am having trouble while doing so. I just want to make sure that the formulas for the velocity and the streamfunction i use are correct.
$V_{Circumferential}=\frac{Circulation}{2*3.14*R} *(1-e^{\frac{r^{2}}{rc^{2}}$
$V_{Radial}=0$
Streamfunction
$\psi=\frac{circulation}{3.14*rc^{2}}*e^{\frac{r^{ 2}}{4}$
i took viscosity and t=1;
Is it right?
Thanks
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fluids, lamboseen, matlab code, simulation cfd, vortex

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