# Blood Vessel stl. model shows error when I used mesh in Ansys Fluent

**URL:** <https://discourse.slicer.org/t/blood-vessel-stl-model-shows-error-when-i-used-mesh-in-ansys-fluent/35254>\
**Category:** Support\
**Tags:** segmentation, vessels, meshing\
**Created:** [April 3, 2024, 12:48pm UTC](https://discourse.slicer.org/t/blood-vessel-stl-model-shows-error-when-i-used-mesh-in-ansys-fluent/35254 "2024-04-03T12:48:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Reasat\_E\_Noor](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/reasat_e_noor/32/17774_2.png) [@Reasat\_E\_Noor](https://discourse.slicer.org/u/Reasat_E_Noor)\
**Post date:** [April 3, 2024, 12:48pm UTC](https://discourse.slicer.org/t/blood-vessel-stl-model-shows-error-when-i-used-mesh-in-ansys-fluent/35254/1 "2024-04-03T12:48:28Z")

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I have segmented a bifurcated small artery from Brain MRI . When I import the stl model in Ansys fluent the meshing cannot be done. I want to do a cfd simulation for my research. How to solve the issue? Please help!