Discretization Parameters in ParaDiS: Difference between revisions
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In ParaDiS, the following length parameters are important to control the discretization and tolerance of the DD simulation: |
In ParaDiS, the following length parameters are important to control the discretization and tolerance of the DD simulation: |
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minSeg, maxSeg, rc, rTol, rmax, rann |
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The <tt>rann</tt> parameter can be set as an input in DDLab, but not in ParaDiS. |
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==Default values== |
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rc = -1.0 |
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minSeg = -1.0 |
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maxSeg = -1.0 |
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These are not valid values and force you to choose your own numbers for these three parameters. |
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After you set acceptable values for <tt>rc</tt>, the default values for <tt>rTol</tt> and <tt>rann</tt> are set as follows. |
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rTol = 0.25 * rc |
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rann = 2 * rTol |
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You can overwrite the value of <tt>rTol</tt> in the input file. But you cannot change <tt>rann</tt>. |
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Revision as of 18:47, 20 December 2007
In ParaDiS, the following length parameters are important to control the discretization and tolerance of the DD simulation:
minSeg, maxSeg, rc, rTol, rmax, rann
The rann parameter can be set as an input in DDLab, but not in ParaDiS.
Default values
rc = -1.0 minSeg = -1.0 maxSeg = -1.0
These are not valid values and force you to choose your own numbers for these three parameters.
After you set acceptable values for rc, the default values for rTol and rann are set as follows.
rTol = 0.25 * rc rann = 2 * rTol
You can overwrite the value of rTol in the input file. But you cannot change rann.