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Author(s): G.K. Egan
Abstract:
lisation of the SDEM distinct
element stress analysis code
G.
K.
Egan
Laboratory for Concurrent Computing Systems,
Swinburne University of Technology, John Street,
ABSTRACT
The SDEM code models systems of interacting blocks of rock using the distinct
element (DE) method.
The DE method represents these systems as
discontinuums with each block acting under Newton's Laws of Motion.
The
data structures associated with the DE method are comprised largely of linked
lists which make the task of obtaining performance gains through vectorisation
difficult.
The systems, however, are comprised of thousands of blocks and there
is the potential of performing block interaction calculations in parallel.
This paper details the analysis and refinement steps used in implementing a
parallel version of the SDEM.
Experience has shown that the gains due to
automatic annotation of the original FORTRAN source were limited but that with
a modest amount of effort critical data dependencies may ...
Pages: 16
Size: 1,386 kb
Paper DOI: 10.2495/ASE930211
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