| ... | ... | @@ -1773,12 +1773,12 @@ user must check whether the testpoint lies within its specified domain |
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and return the requested refinement level `level` for that domain.
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`level` is limited by the constraint
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$|\mathtt{level}|\le\mathtt{\_C.imr}$ where `_C.imr` is the maximum
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|`level`|<=`_C.imr` where `_C.imr` is the maximum
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allowed initial mesh refinement level as specified in file `nirvana.par`
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below category MESH REFINEMENT. In practice, the user defines spatial
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domains in `initDomainUser()` via mathematical relations. Here is an
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example which illustrates the procedure. It refines the vicinity of a
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spherical interface with radius $0.1$ centered at $(x,y,z)=(0.3,0,0)$
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spherical interface with radius 0.1 centered at (x,y,z)=(0.3,0,0)
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with refinement level 4:
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int initDomainUser(double x, double y, double z)
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| ... | ... | @@ -1835,7 +1835,7 @@ established smoothly. |
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An initially refined domain is, by default, subject to derefinement
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during runtime according to the standard refinement criteria. However,
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it can also be marked as static by returning a negative value
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$\mathtt{level}<0$ with $|\mathtt{level}|$ then the requested refinement
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`level`<0 with |`level`| then the requested refinement
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level. No derefinement occurs during runtime but, on the other hand,
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further dynamic refinement on the initially refined domains is possible.
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| ... | ... | @@ -1852,13 +1852,13 @@ spatial domains via mathematical relations, checks whether the testpoint |
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lies inside a certain domain or not, and returns the corresponding
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control value `level` for that domain:
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- $\mathtt{level}=0$: no restriction for mesh refinement
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- `level`=0: no restriction for mesh refinement
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- $\mathtt{level}=-1$: prohibits mesh refinement on that domain
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- `level`=-1: prohibits mesh refinement on that domain
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- $\mathtt{level}>0$: forces step-by-step mesh refinement on that
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- `level`>0: forces step-by-step mesh refinement on that
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domain up to level `level` subject to the constraint
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$\mathtt{level}\le \mathtt{\_C.amr}$ where parameter `_C.amr` is the
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`level}<=`_C.amr` where parameter `_C.amr` is the
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maximum allowed mesh refinement level as specified in file
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`nirvana.par` below category MESH REFINEMENT.
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| ... | ... | |
