Q: We have had an annoying problem with ICEM CFD 10.0 when creating blocks
from vertices/points or by extruding. Sometimes the block which is
created disappears from view immediately after creation. However, when
ICEM or Workbench (if ICEM is run from there) is restarted, the block is there.
This is extremely annoying if it happens with every second block and you
have to restart the software all the time. Do you know how to correct this?
Please note that all the parts are visible when this happens so this should not be
due to creating blocks into invisible parts.
A) This happens because the new block created changes the index of block.
That is, if the range of blocks is 2x4x6, say, Hexa shows by default, the range of 2x4x6 blocks.
This index allows you to hide some of the blocks and work on specific regions of blocks, which can be useful for a very complex geometry and blocking.
When you create a block outside this original range, i.e. extend from one side of the geometry outwards to make the range 2x4x7, Hexa keeps the original range visible and this is why you cannot see the new block.
To get around this problem, right click on Blocking, click on Index Control and click the reset button. This should then show the whole range.
Please also note that the same thing happens if you make an o-grid inside another o-grid. The block range will then be 2x4x6 - x2 (o-grid direction), but will only show one o-grid direction block and therefore the second o-grid will appear to disappear. Again, Reset will fix this problem.
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Q: We have had an annoying problem with ICEM CFD 10.0 when creating blocks from vertices/points or by extruding. Sometimes the block which is created disappears from view immediately after creation. However, when ICEM or Workbench (if ICEM is run from there) is restarted, the block is there. This is extremely annoying if it happens with every second block and you have to restart the software all the time. Do you know how to correct this? Please note that all the parts are visible when this happens so this should not be due to creating blocks into invisible parts. A) This happens because the new block created changes the index of block. That is, if the range of blocks is 2x4x6, say, Hexa shows by default, the range of 2x4x6 blocks. This index allows you to hide some of the blocks and work on specific regions of blocks, which can be useful for a very complex geometry and blocking. When you create a block outside this original range, i.e. extend from one side of the geometry outwards to make the range 2x4x7, Hexa keeps the original range visible and this is why you cannot see the new block. To get around this problem, right click on Blocking, click on Index Control and click the reset button. This should then show the whole range. Please also note that the same thing happens if you make an o-grid inside another o-grid. The block range will then be 2x4x6 - x2 (o-grid direction), but will only show one o-grid direction block and therefore the second o-grid will appear to disappear. Again, Reset will fix this problem. |
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