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OOFEM
Multi-physics finite element code with object oriented architecture

OOFEM is a free and open-source multi-physics finite element code with object oriented architecture. The aim of this project is to provide efficient and robust tool for FEM computations as well as to offer highly modular and extensible environment for development.

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Main features

  • Solves various linear and nonlinear problems from structural, thermal and fluid mechanics.3
  • Particularly includes many material models for nonlinear fracture mechanics of quasibrittle materials, such as concrete.45
  • Efficient parallel processing support based on domain decomposition and message passing paradigms.6
  • Direct as well as iterative solvers are available. Direct solvers include symmetric and unsymmetric skyline solver and sparse direct solver. Iterative solvers support many sparse storage formats and come with various preconditioners.7 Interfaces to third party linear and eigen value solver libraries are available, including IML,8 PETSc, SLEPc,9 and SPOOLES.10
  • Support for Extended Finite Elements (XFEM)11 and iso-geometric analysis (IGA).12

License

OOFEM is free, open source software, released under the GNU Lesser General Public License version 2.1 on any later version13

See also

Community resources

References

  1. B. Patzák and Z. Bittnar: Design of object oriented finite element code, Advances in Engineering Software, 32(10-11), 759-767, 2001 ↩

  2. OOFEM project website at www.oofem.org http://www.oofem.org ↩

  3. OOFEM Features, http://www.oofem.org/en/features/features.html http://www.oofem.org/en/features/features.html ↩

  4. OOFEM Material Library Manual, http://www.oofem.org/en/documentation/manual.html http://www.oofem.org/en/documentation/manual.html ↩

  5. B. Patzák and M. Jirásek. Adaptive resolution of localized damage in quasibrittle materials. Journal of Engineering Mechanics Division ASCE, 130:720--732, 2004. ↩

  6. B. Patzák and D. Rypl. Object-oriented, parallel finite element framework with dynamic load balancing. Advances in Engineering Software, 47(1):35 -- 50, 2012. ↩

  7. OOFEM Input Manual, http://www.oofem.org/en/documentation/manual.html http://www.oofem.org/en/documentation/manual.html ↩

  8. Template library for numerical iterative methods, http://math.nist.gov/iml++/ http://math.nist.gov/iml++/ ↩

  9. Scalable Library for Eigenvalue Problem Computations, https://slepc.upv.es/ https://slepc.upv.es/ ↩

  10. SParse Object Oriented Linear Equations Solver, http://www.netlib.org/linalg/spooles/spooles.2.2.html http://www.netlib.org/linalg/spooles/spooles.2.2.html ↩

  11. R. Chamrová and B. Patzák: Object-oriented programming and the extended finite-element method. Engineering and Computational Mechanics, 163(EM4):271--278, 2010. ↩

  12. D. Rypl and B. Patzák: From the finite element analysis to the isogeometric analysis in an object oriented computing environment, Advances in Engineering Software, 44(1):116 -- 125, 2012. doi:10.1016/j.advengsoft.2011.05.032. ↩

  13. OOFEM License http://www.oofem.org/en/license/license.html ↩