# hexagonal mesh

**URL:** <https://openmc.discourse.group/t/hexagonal-mesh/196>\
**Category:** User Support\
**Created:** [January 12, 2016, 2:27pm UTC](https://openmc.discourse.group/t/hexagonal-mesh/196 "2016-01-12T14:27:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mohamed](https://avatars.discourse-cdn.com/v4/letter/m/d78d45/32.png) [@Mohamed](https://openmc.discourse.group/u/Mohamed)\
**Post date:** [January 12, 2016, 2:27pm UTC](https://openmc.discourse.group/t/hexagonal-mesh/196/1 "2016-01-12T14:27:31Z")

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Can we define an hexagonal mesh which allow us to obtain tallies over hexagonal lattices easily

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**Author:** ![khurrum](https://avatars.discourse-cdn.com/v4/letter/k/bc79bd/32.png) [@khurrum](https://openmc.discourse.group/u/khurrum)\
**Post date:** [January 13, 2016, 7:49am UTC](https://openmc.discourse.group/t/hexagonal-mesh/196/2 "2016-01-13T07:49:47Z")

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hexagonal meshes are not available in OpenMC. you have to use distribcell command to tally for hexagonal meshes.

please refer to this thread for further details of distribcell usage

[https://groups.google.com/forum/#!topic/openmc-users/PiTNpttWXOA](https://groups.google.com/forum/#!topic/openmc-users/PiTNpttWXOA)

hope that helps.

Khurrum