DOLFIN User Manual - FEniCS Project

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DOLFIN User ManualHoffman, Jansson, Logg, Wells8.2.3 Newton solver parameters . . . . . . . . . . . . . . . . 558.2.4 Application of Dirichlet boundary conditions . . . . . . 558.3 Incremental Newton solver . . . . . . . . . . . . . . . . . . . . 559 Input/output 579.1 Files and objects . . . . . . . . . . . . . . . . . . . . . . . . . 579.2 File formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 599.2.1 DOLFIN XML . . . . . . . . . . . . . . . . . . . . . . 599.2.2 VTK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 609.2.3 OpenDX . . . . . . . . . . . . . . . . . . . . . . . . . . 619.2.4 GNU Octave . . . . . . . . . . . . . . . . . . . . . . . 619.2.5 MATLAB . . . . . . . . . . . . . . . . . . . . . . . . . 629.2.6 Tecplot . . . . . . . . . . . . . . . . . . . . . . . . . . 629.2.7 GiD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 639.3 Converting between file formats . . . . . . . . . . . . . . . . . 639.4 A note on new file formats . . . . . . . . . . . . . . . . . . . . 6310 The log system 6510.1 Generating log messages . . . . . . . . . . . . . . . . . . . . . 6510.2 Warnings and errors . . . . . . . . . . . . . . . . . . . . . . . 6610.3 Debug messages and assertions . . . . . . . . . . . . . . . . . 6710.4 Task notification . . . . . . . . . . . . . . . . . . . . . . . . . 686
DOLFIN User ManualHoffman, Jansson, Logg, Wells10.5 Progress bars . . . . . . . . . . . . . . . . . . . . . . . . . . . 6910.6 Controlling the destination of output . . . . . . . . . . . . . . 7011 The parameter system 7311.1 Retrieving the value of a parameter . . . . . . . . . . . . . . . 7311.2 Modifying the value of a parameter . . . . . . . . . . . . . . . 7411.3 Adding a new parameter . . . . . . . . . . . . . . . . . . . . . 7511.4 Saving parameters to file . . . . . . . . . . . . . . . . . . . . . 7611.5 Loading parameters from file . . . . . . . . . . . . . . . . . . . 7612 Solvers 7712.1 Poisson’s equation . . . . . . . . . . . . . . . . . . . . . . . . 7812.1.1 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . 7812.1.2 Performance . . . . . . . . . . . . . . . . . . . . . . . . 7912.1.3 Limitations . . . . . . . . . . . . . . . . . . . . . . . . 7912.2 Convection–diffusion . . . . . . . . . . . . . . . . . . . . . . . 8012.2.1 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . 8012.2.2 Performance . . . . . . . . . . . . . . . . . . . . . . . . 8112.2.3 Limitations . . . . . . . . . . . . . . . . . . . . . . . . 8112.3 Incompressible Navier–Stokes . . . . . . . . . . . . . . . . . . 8212.3.1 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . 8212.3.2 Performance . . . . . . . . . . . . . . . . . . . . . . . . 827
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Page 3 and 4: ContentsAbout this manual 91 Introd
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Page 25 and 26: Chapter 3Linear algebra◮ Develope
Page 29 and 30: Chapter 4The mesh◮ Developer’s
Page 33 and 34: Chapter 5Functions◮ Developer’s
Page 43: Chapter 6Ordinary differential equa
Page 53 and 54: Chapter 8Nonlinear solver◮ Develo
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DOLFIN User ManualHoffman, Jansson,
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Chapter 10The log systemDOLFIN prov
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Bibliography[1] Cygwin, 2005. http:
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v 2 v 0 = (0, 0)DOLFIN User ManualH
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Appendix CContributing codeIf you h
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Appendix DLicenseDOLFIN is licensed
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