CUPyDO

FSI tools for partinioned coupling between generic solid and fluid solvers.

Solvers

CUPyDO currently features interfaces for the following solvers:

• Solid
  • Metafor [v3492] (http://metafor.ltas.ulg.ac.be/dokuwiki/start)
  • A Nonlinear Finite Element solid solver developed at the University of Liège.

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  • RBMI [1.1] (https://github.com/ulgltas/NativeSolid)
  • A dynamic 2dof pitch/plunge solid solver developed at the University of Liège.

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  • SU2 [X] (https://su2code.github.io/)
  • Open-source CFD code developed at Stanford University.

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  • Modali [v2.0] (https://github.com/ulgltas/modali)
  • A static/dynamic modal solver developed at the University of Liège.

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  • GetDP [X] (http://getdp.info/)
  • A free finite element software and a general environment for the treatment of discrete problems, developed at University of Liège.

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  • pyBeam [0.1] (https://github.com/pyBeam/pyBeam)
  • A nonlinear beam finite element solver developed for aeronautical design applications.

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• Fluid
  • PFEM [v1.19] (https://gitlab.uliege.be/am-dept/PFEM)
  • Particle Finite Element Method fluid solver developed at the University of Liège.

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  • SU2 [7.1.1*] (https://github.com/ulgltas/SU2/tree/fix_wrap_strong)
  • Open-source CFD code developed at Stanford University.

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  • Flow [v2.1.1] (https://gitlab.uliege.be/am-dept/waves)
  • A Full Potential Finite Element fluid solver, part of the waves project, developed at the University of Liège.

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  • VLM [v2.0] (https://github.com/ulgltas/VLM)
  • A Vortex Lattice Method, developed at the University of Liège.

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  • PFEM3D [2.0.0] (https://github.com/ImperatorS79/PFEM3D)
  • A 3D Particle Finite Element Method fluid solver developed at the University of Liège.

Features

Furthermore, CUPyDO features two interpolation alogrithms:

• Radial Basis Functions (RBF)
• Thin Plate Spline (TPS)

Finally, CUPyDO features two main couplers:

• Block-Gauss-Seidel (BGS) with
  • constant (static) relaxation
  • Aitken relaxation
• Interface Quasi-Newton with Inverse Least-Square (IQN_ILS)

Compilation

Detailed build instructions can be found in the wiki.

Examples

Examples of simulations are available in CUPyDO/tests and CUPyDO/cases.

Publications:

Cerquaglia M.L., Thomas D., Boman R., Terrapon V.E., Ponthot J.-P., A fully partitioned Lagrangian framework for FSI problems characterized by free surfaces, large solid deformations and displacements, and strong added-mass effects, Computer Methods in Applied Mechanics and Engineering, in press (2019)

Thomas D., Cerquaglia M.L., Boman R., Economon T.D., Alonso J.J., Dimitriadis G., Terrapon V.E., CUPyDO - An integrated Python environment for coupled multi-physics simulations, Advances in Engineering Software 128:69-85 (2019)