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Title: Description of a parallel, 3D, finite element, hydrodynamics-diffusion code

Conference ·
OSTI ID:7621

We describe a parallel, 3D, unstructured grid finite element, hydrodynamic diffusion code for inertial confinement fusion (ICF) applications and the ancillary software used to run it. The code system is divided into two entities, a controller and a stand-alone physics code. The code system may reside on different computers; the controller on the user's workstation and the physics code on a supercomputer. The physics code is composed of separate hydrodynamic, equation-of-state, laser energy deposition, heat conduction, and radiation transport packages and is parallelized for distributed memory architectures. For parallelization, a SPMD model is adopted; the domain is decomposed into a disjoint collection of subdomains, one per processing element (PE). The PEs communicate using MPI. The code is used to simulate the hydrodynamic implosion of a spherical bubble.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Defense Programs (DP)
DOE Contract Number:
W-7405-Eng-48
OSTI ID:
7621
Report Number(s):
UCRL-JC-132908; DP0101031; ON: DE00007621
Resource Relation:
Conference: National Agency for Element Methods and Standards Conference, April 25 -28, 1999, Newport, Rhode Island
Country of Publication:
United States
Language:
English