$CourantFactor

Format

$CourantFactor
 S                // where S is an floating point and $\begin{array}{c}S\le 1.0\end{array}$.

$\mathrm{\Delta }t=\frac{S}{c\sqrt{\frac{1}{{\mathrm{\Delta }x}^2}+\frac{1}{{\mathrm{\Delta }y}^2}+\frac{1}{{\mathrm{\Delta }z}^2}}}$

Where c is the light speed in the vacuum, you can see more details in Eq. 4.60.

The default value is 0.999999.

Note: The definition of S here is NOT same as the Courant stability limit in the reference.

Example

$CourantFactor
 0.999

Then S will be 0.999.