# Write and HDF5 file for biventricular geometry

**URL:** <https://fenicsproject.discourse.group/t/write-and-hdf5-file-for-biventricular-geometry/2141>\
**Category:** Uncategorized\
**Created:** [December 26, 2019, 1:15pm UTC](https://fenicsproject.discourse.group/t/write-and-hdf5-file-for-biventricular-geometry/2141 "2019-12-26T13:15:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![djoums](https://avatars.discourse-cdn.com/v4/letter/d/a587f6/32.png) [@djoums](https://fenicsproject.discourse.group/u/djoums)\
**Post date:** [December 26, 2019, 1:15pm UTC](https://fenicsproject.discourse.group/t/write-and-hdf5-file-for-biventricular-geometry/2141/1 "2019-12-26T13:15:42Z")

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Hi everyone. I’m using fenics mechanics to simulate the mechanics of the heart. However, I can’t create an HDF5 file for the two ventricles. I would like to have a model similar to the one used in the land ellipsoid example.  
Can someone help me, thank you in advance.