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Welcome to FreeFem++ documentation#

FreeFem++ is a partial differential equation solver for non-linear multi-physics systems in 2D and 3D.

Problems involving partial differential equations from several branches of physics, such as fluid-structure interactions, require interpolations of data on several meshes and their manipulation within one program. FreeFem++ includes a fast interpolation algorithm and a language for the manipulation of data on multiple meshes.

FreeFem++ is written in C++ and its language is a C++ idiom.