what are the boundary conditions used ?
Hi everyone,
I am doing a simulation in the extrusion head of a polymer 3d printer. I would like to know the boundary conditions that apply to the walls of the piece that I have not defined, because all these boundary conditions are completely done by the program.
what are the boundary conditions used by the program?
Thank you in advance,
Kind regards
Best Answer
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Hello Gabriel,
By default, Inspire Extrude sets stick wall conditions on all surfaces which are touching the die wall. In other words, velocity = 0 at the boundary surface. Also, it is insulated condition on-die wall.
You modify temperature conditions using Inspire Extrude ( Menu icon Process Data -> Wall) .
To edit friction condition, there are two options for you,
1. Open the completed model file in HyperMesh. HyperMesh has a legacy interface for HyperXtrude solver. it can help you open mesh, modify any boundary condition. create new if needed.
2. Open the solver deck GRF in a Text editor and edit the Boundary packet manually. you will need to know what to modify and syntax.
Let me know which will be more suitable for you. Option #1 will be easier.
1
Altair EmployeeAnswers
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Hello Gabriel,
By default, Inspire Extrude sets stick wall conditions on all surfaces which are touching the die wall. In other words, velocity = 0 at the boundary surface. Also, it is insulated condition on-die wall.
You modify temperature conditions using Inspire Extrude ( Menu icon Process Data -> Wall) .
To edit friction condition, there are two options for you,
1. Open the completed model file in HyperMesh. HyperMesh has a legacy interface for HyperXtrude solver. it can help you open mesh, modify any boundary condition. create new if needed.
2. Open the solver deck GRF in a Text editor and edit the Boundary packet manually. you will need to know what to modify and syntax.
Let me know which will be more suitable for you. Option #1 will be easier.
1