Progress on DART code optimization. Page: 1 of 4
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PROGRESS ON DART CODE OPTIMIZATION
Taboada, Horacio Rest, Jeffrey2 Solis, Diego'
'Comisi6n Nacional de Energia At6mica, Republica Argentina
2Argonne National Laboratory, Illinois, USA
This work consists about the progress made on the design and
development of a new optimized version of DART code (DART-P), a
mechanistic computer model for the performance calculation and assessment of
aluminum dispersion fuel. It is part of a collaboration agreement between
CNEA and ANL in the area of Low Enriched Uranium Advanced Fuels. It is
held by the Implementation Arrangement for Technical Exchange and
Cooperation in the Area of Peaceful Uses of Nuclear Energy, signed on
October 16, 1997 between US DOE and the National Atomic Energy
Commission of the Argentine Republic. DART optimization is a biannual
program; it is operative since February 8, 1999 and has the following goals:
1. Design and develop a new DART calculation kernel for implementation within a
parallel processing architecture
2. Design and develop new user-friendly I/O routines to be resident on Personal
Computer (PC)/WorkStation (WS) platform.
2.1. The new input interface will be designed and developed by means of a Visual
interface, able to guide the user in the construction of the problem to be
analyzed with the aid of a new database (described in item 3, below). The new
I/O interface will include input data check controls in order to avoid corrupted
2.2. The new output interface will be designed and developed by means of graphical
tools, able to translate numeric data output into "on line" graphic information.
3. Design and develop a new irradiated materials database, to be resident on
PC/WS platform, so as to facilitate the analysis of the behavior of different fuel
and meat compositions with DART-P. Currently, a different version of DART
is used for oxide, silicide, and advanced alloy fuels.
4. Develop rigorous general inspection algorithms in order to provide valuable
5. Design and develop new models, such as superplasticity, elastoplastic feedback,
improved models for the calculation of fuel deformation and the evolution of
the fuel microstructure for inclusion into DART-P
6. Develop a DART-P capability for the analysis of dispersion fuel behavior during
transient and/or accident conditions. The work will include the development of
a DART-P restart-from-dump capability.
Up to date, issues 2 and 3 were designed and developed and they are
under evaluation. These new facilities allow the user to have a friendlier guide
to design the problem to study and to display graphically the outcome. The
material database allowed the code unification, with the subsequent code
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Taboada, H.; Rest, J. & Solis, D. Progress on DART code optimization., article, October 2, 2001; Illinois. (digital.library.unt.edu/ark:/67531/metadc724843/m1/1/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.