"$CourantFactor" 修訂間的差異
出自 DDCC TCAD TOOL Manual
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<math>\Delta t = \frac{S}{c\sqrt{\frac{1}{{\Delta x}^2}+\frac{1}{{\Delta y}^2}+\frac{1}{{\Delta z}^2}}}</math> |
<math>\Delta t = \frac{S}{c\sqrt{\frac{1}{{\Delta x}^2}+\frac{1}{{\Delta y}^2}+\frac{1}{{\Delta z}^2}}}</math> |
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| − | Where ''c'' is the light speed in the vacuum, you can see more details in Eq. 4.60. <br> |
+ | Where ''c'' is the light speed in the vacuum, you can see more details in Eq. 4.60. <br><br> |
The default value is 0.999999. <br><br> |
The default value is 0.999999. <br><br> |
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'''Note:''' ''S'' is not equal to the Courant stability limit. |
'''Note:''' ''S'' is not equal to the Courant stability limit. |
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=='''Example'''== |
=='''Example'''== |
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於 2018年7月16日 (一) 10:46 的修訂
Format
$CourantFactor S // where S is an floating point and.
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: S is not equal to the Courant stability limit.
Example
$CourantFactor 0.999
Then S will be 0.999.
