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dolfiny: Convenience wrappers for DOLFINx
ZILIAN, Andreas; HABERA, Michal
2021FEniCS 2021 conference
 

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Keywords :
FEniCS; DOLFINx; scientific Python
Abstract :
[en] With the increased flexibility of DOLFINx and its reduction to core functionality, the responsibility for even some basic components of computational analysis is shifted to the user. This presentation provides an overview of the open-source package dolfiny, which provides end-user API interfaces to mesh/meshtags generation and processing, expression list handling, function interpolation and projection as well as the restriction of function spaces to parts of the computational domain. This functionality is consistently considered in interfaces to PETSc/SNES as nonlinear solver and SLEPc as eigensolver backend, both allowing the operation on block and nested operators. In addition, the package provides a convenient approach to incorporate time integration into the UFL formulation of the problem, which is exemplified for the generalised alpha method. The capability of dolfiny is demonstrated in a number of examples, ranging between finite strain structural analysis, plasticity and fluid-structure interaction.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
ZILIAN, Andreas  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
HABERA, Michal ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE)
External co-authors :
no
Language :
English
Title :
dolfiny: Convenience wrappers for DOLFINx
Publication date :
23 March 2021
Event name :
FEniCS 2021 conference
Event organizer :
University of Cambridge
Event place :
Cambridge, United Kingdom
Event date :
from 22-03-2021 to 26-03-2021
By request :
Yes
Audience :
International
Focus Area :
Computational Sciences
FnR Project :
FNR12252781 - Data-driven Computational Modelling And Applications, 2017 (01/09/2018-28/02/2025) - Andreas Zilian
Commentary :
https://dx.doi.org/10.6084/m9.figshare.14495262
Available on ORBilu :
since 06 June 2021

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