# Xcombine\_vol\_data opening error in specfem3d

**URL:** <https://community.geodynamics.org/t/xcombine-vol-data-opening-error-in-specfem3d/586>\
**Category:** SPECFEM\
**Tags:** seismology\
**Created:** [April 22, 2019, 11:05pm UTC](https://community.geodynamics.org/t/xcombine-vol-data-opening-error-in-specfem3d/586 "2019-04-22T23:05:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![brioglade](https://yyz2.discourse-cdn.com/flex036/user_avatar/community.geodynamics.org/brioglade/32/203_2.png) [@brioglade](https://community.geodynamics.org/u/brioglade)\
**Post date:** [April 22, 2019, 11:05pm UTC](https://community.geodynamics.org/t/xcombine-vol-data-opening-error-in-specfem3d/586/1 "2019-04-22T23:05:59Z")

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> **[geodynamics/specfem3d](https://github.com/geodynamics/specfem3d/wiki/11_graphics)**
>
> SPECFEM3D\_Cartesian simulates acoustic (fluid), elastic (solid), coupled acoustic/elastic, poroelastic or seismic wave propagation in any type of conforming mesh of hexahedra (structured or not). I...

  
Using the execution xcombine\_vol\_data to combine the velocity\_z slices failed to an error:  
[https://drive.google.com/file/d/108JiA9XyovUiDoNC6nVe0i-pxIMuMkU5/view](https://drive.google.com/file/d/108JiA9XyovUiDoNC6nVe0i-pxIMuMkU5/view)  
what’s wrong with it?

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<div class="post-metadata">

**Author:** ![brioglade](https://yyz2.discourse-cdn.com/flex036/user_avatar/community.geodynamics.org/brioglade/32/203_2.png) [@brioglade](https://community.geodynamics.org/u/brioglade)\
**Post date:** [April 24, 2019, 2:03am UTC](https://community.geodynamics.org/t/xcombine-vol-data-opening-error-in-specfem3d/586/2 "2019-04-24T02:03:18Z")

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done