DOLFIN User Manual - FEniCS Project
DOLFIN User Manual - FEniCS Project
DOLFIN User Manual - FEniCS Project
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Chapter 9Input/output<strong>DOLFIN</strong> relies on external programs for pre- and post-processing, whichmeans that computational meshes must be imported from file (pre-processing)and computed solutions must be exported to file and then imported into anotherprogram for visualization (post-processing). To simplify this process,<strong>DOLFIN</strong> provides support for easy interaction with files and includes outputformats for a number of visualization programs.9.1 Files and objectsA file in <strong>DOLFIN</strong> is represented by the class File and reading/writing datais done using the standard C++ operators >> (read) and
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