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Open source injection molding simulation. A solver for OpenFOAM.

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openInjMoldSim v1.1.2

This is an OpenFOAM 3.0.1 solver for simulation of injection molding filling, packing and cooling stages. It is a modification of the compressibleInterFoam solver distributed with OpenFOAM. The solver has so far been validated on the 2D demo case for amorphous polystyrene. A simulation of (semi-crystalline) HDPE is under development. Currently, the simulation is prohibitively inconvenient for typical industrial use.

See the tutorials for more info.

See the official website openfoam.org, unofficial wiki openfoamwiki.net and the community forum cfd-online.com.

openInjMoldSimAxiFill

Getting Started

An OpenFOAM 3.0.1 installation is required to run the code. This code was run on Linux Ubuntu 14.04 LTS and Centos 6.6 (Rocks 6.2 Sidewinder).

Run Allwmake in the solver directory to compile the solver.

Run AllRun in the fill_pack directory to run the example simulation. Then run paraFoam in the case directory to view the results.

Functionality

  • Compressible, non-isothermal, laminar cavity flow.
  • Tait equation of state.
  • Cross-WLF viscosity model.
  • Specific heat and thermal conductivity may depend on temperature and pressure (tabular form).
  • Elastic stress in the solid phase.

Feedback

Any feedback is apreciated - krebeljk()gmail.com.

Authors

  • Kristjan Krebelj - Assembled and tested the code. Maintainer of the repository.
  • Janez Turk - Introduced the key modifications to the original OpenFOAM library.

License

This project is licensed under the GPU License - see the LICENSE.md file for details.

Acknowledgments

Demo case

Demo geometry Pressure evolution

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Open source injection molding simulation. A solver for OpenFOAM.

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