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Faster Heavy Ion Transport for HZETRNThe deterministic particle transport code HZETRN was developed to enable fast and accurate space radiation transport through materials. As more complex transport solutions are implemented for neutrons, light ions (Z < 2), mesons, and leptons, it is important to maintain overall computational efficiency. In this work, the heavy ion (Z > 2) transport algorithm in HZETRN is reviewed, and a simple modification is shown to provide an approximate 5x decrease in execution time for galactic cosmic ray transport. Convergence tests and other comparisons are carried out to verify that numerical accuracy is maintained in the new algorithm.
Document ID
20130009742
Acquisition Source
Langley Research Center
Document Type
Technical Publication (TP)
Authors
Slaba, Tony C. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 27, 2013
Publication Date
February 1, 2013
Subject Category
Space Radiation
Report/Patent Number
NASA/TP-2013-217803
L-20222
NF1676L-15956
Funding Number(s)
WBS: WBS 651549.02.07.10
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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