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Mixing tank: Water not moving

Claudia Milena Vargas Maldonado

Hi, I'm recently workingn with hypermesh cfd. I'm trying to simulated a mixing tank (multiphase air-water), the geometry is quite simple, but when I get the results, the water velocity is 0, only the air is moving. I'm not sure what to do to make it work.

Tank.2.Log

Tank.zip

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AcuSolve

English

HyperMesh

HyperMesh CFD

v2023.1

Accepted answers

acupro

At least a couple of things here

1 - Need to activate Specified motion - in the Motion ribbon, Setup/Settings - set Mesh Motion type to Specified

2 - The boundary surfaces between the fixed and moving bodies need to remain in the Default Wall set - not be placed as Slip boundaries. The Auto-Wall treatment will determine those surfaces are between a fixed and a moving body, split the nodes, then treat them properly to transfer information across that disconnected boundary.

Here's a relevant tutorial:
https://help.altair.com/hwcfdsolvers/acusolve/topics/tutorials/acu/acu_5001_intro_cfd_r.htm#acu_5001_intro_cfd_r

All comments

acupro

At least a couple of things here

1 - Need to activate Specified motion - in the Motion ribbon, Setup/Settings - set Mesh Motion type to Specified

Here's a relevant tutorial:
https://help.altair.com/hwcfdsolvers/acusolve/topics/tutorials/acu/acu_5001_intro_cfd_r.htm#acu_5001_intro_cfd_r