Date of Award:
12-2009
Document Type:
Thesis
Degree Name:
Master of Science (MS)
Department:
Mechanical and Aerospace Engineering
Committee Chair(s)
Thomas Hauser
Committee
Thomas Hauser
Committee
Robert Spall
Committee
Heng Ban
Abstract
The Computational Fluid Dynamics General Notation System provides a unified way in which computational fluid dynamics data can be stored, but does not support the parallel I/O capabilities now available from version five of the Hierarchical Data Format library which serves as a back end for he standard. To resolve this deficiency, a new parallel extension library has been written and benchmarked for this work which can write files compliant with the standard using parallel file access modes. When using this new library, the write performance shows an increase of four-fold in some cases when compared to the same hardware operating in serial. Additionally, the use of parallel I/O allows much larger cases to be written since the problem is scattered across many nodes of a cluster, whose aggregate memory is much greater than that found on a single machine. These developments will allow computational fluid dynamics simulations to execute faster, since less time will be spent waiting for each time step to finish writing, as well prevent the need for lengthy reconstruction of data after the completion of a simulation.
Checksum
8caf71910da25c3165fdd304bd618425
Recommended Citation
Horne, Kyle, "Parallelization of Performance Limiting Routines in the Computational Fluid Dynamics General Notation System Library" (2009). All Graduate Theses and Dissertations, Spring 1920 to Summer 2023. 522.
https://digitalcommons.usu.edu/etd/522
Included in
Copyright for this work is retained by the student. If you have any questions regarding the inclusion of this work in the Digital Commons, please email us at .