A compiler for variational forms

Author:

Kirby Robert C.1,Logg Anders2

Affiliation:

1. The University of Chicago, Chicago, IL

2. Toyota Technological Institute at Chicago, Chicago, IL

Abstract

As a key step towards a complete automation of the finite element method, we present a new algorithm for automatic and efficient evaluation of multilinear variational forms. The algorithm has been implemented in the form of a compiler, the FEniCS Form Compiler (FFC). We present benchmark results for a series of standard variational forms, including the incompressible Navier--Stokes equations and linear elasticity. The speedup compared to the standard quadrature-based approach is impressive; in some cases the speedup is as large as a factor of 1000.

Publisher

Association for Computing Machinery (ACM)

Subject

Applied Mathematics,Software

Reference39 articles.

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2. Bagheri B. and Scott R. 2003. Analysa. http://people.cs.uchicago.edu/~ridg/al/aa.html. Bagheri B. and Scott R. 2003. Analysa. http://people.cs.uchicago.edu/~ridg/al/aa.html.

3. Balay S. Buschelman K. Gropp W. D. Kaushik D. Knepley M. G. McInnes L. C. Smith B. F. and Zhang H. 2005a. Anl anl sidl environmentsidl environment. http://www-unix.mcs.anl.gov/ase/. Balay S. Buschelman K. Gropp W. D. Kaushik D. Knepley M. G. McInnes L. C. Smith B. F. and Zhang H. 2005a. Anl anl sidl environmentsidl environment. http://www-unix.mcs.anl.gov/ase/.

4. Balay S. Buschelman K. Gropp W. D. Kaushik D. Knepley M. G. McInnes L. C. Smith B. F. and Zhang H. 2005b. PETSc. http://www.mcs.anl.gov/petsc/. Balay S. Buschelman K. Gropp W. D. Kaushik D. Knepley M. G. McInnes L. C. Smith B. F. and Zhang H. 2005b. PETSc. http://www.mcs.anl.gov/petsc/.

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