OOFEM is a free and open-source multi-physics finite element code with object oriented architecture.B. Patzák and Z. Bittnar: Design of object oriented finite element code, Advances in Engineering Software, 32(10-11), 759-767, 2001 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.OOFEM project website at www.oofem.org
Main features Solves various linear and nonlinear problems from structural, thermal and fluid mechanics.OOFEM Features, http://www.oofem.org/en/features/features.html Particularly includes many material models for nonlinear fracture mechanics of quasibrittle materials, such as concrete.OOFEM Material Library Manual, http://www.oofem.org/en/documentation/manual.html B. Patzák and M. Jirásek. Adaptive resolution of localized damage in quasibrittle materials. Journal of Engineering Mechanics Division ASCE, 130:720--732, 2004. Efficient parallel processing support based on domain decomposition and message passing paradigms.B. Patzák and D. Rypl. Object-oriented, parallel finite element framework with dynamic load balancing. Advances in Engineering Software, 47(1):35 -- 50, 2012. 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.OOFEM Input Manual, http://www.oofem.org/en/documentation/manual.html Interfaces to third party linear and eigen value solver libraries are available, including IML,Template library for numerical iterative methods, http://math.nist.gov/iml++/ PETSc, SLEPc,Scalable Library for Eigenvalue Problem Computations, https://slepc.upv.es/ and SPOOLES.SParse Object Oriented Linear Equations Solver, http://www.netlib.org/linalg/spooles/spooles.2.2.html Support for Extended Finite Elements (XFEM)R. Chamrová and B. Patzák: Object-oriented programming and the extended finite-element method. Engineering and Computational Mechanics, 163(EM4):271--278, 2010. and iso-geometric analysis (IGA).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.
License OOFEM is free, open source software, released under the GNU Lesser General Public License version 2.1 on any later version
See also List of numerical analysis software List of finite element software packages
References
External links Project website
Community resources
OOFEM forum OOFEM wiki