Adaptive subdomain modeling: A multi-analysis technique for ocean circulation models. Altuntas, A. & Baugh, J. Ocean Modelling, 115:86-104, 2017.
Pdf doi abstract bibtex Many coastal and ocean processes of interest operate over large temporal and geographical scales and require a substantial amount of computational resources, particularly when engineering design and failure scenarios are also considered. This study presents an adaptive multi-analysis technique that improves the efficiency of these computations when multiple alternatives are being simulated. The technique, called adaptive subdomain modeling, concurrently analyzes any number of child domains, with each instance corresponding to a unique design or failure scenario, in addition to a full-scale parent domain providing the boundary conditions for its children. To contain the altered hydrodynamics originating from the modifications, the spatial extent of each child domain is adaptively adjusted during runtime depending on the response of the model. The technique is incorporated in ADCIRC++, a re-implementation of the popular ADCIRC ocean circulation model with an updated software architecture designed to facilitate this adaptive behavior and to utilize concurrent executions of multiple domains. The results of our case studies confirm that the method substantially reduces computational effort while maintaining accuracy.
@article{altuntas-ocemod-2017,
title = {Adaptive subdomain modeling: A multi-analysis technique for
ocean circulation models},
author = {Alper Altuntas and John Baugh},
journal = {Ocean Modelling},
volume = {115},
pages = {86-104},
year = {2017},
issn = {1463-5003},
doi = {10.1016/j.ocemod.2017.05.009},
OPTurl = {{http://www.sciencedirect.com/science/article/pii/S146350031730080X}},
url_pdf = {papers/altuntas-ocemod-2017.pdf},
keywords = {Storm surge, Adaptive algorithm, Subdomain modeling,
Moving boundaries, ADCIRC},
abstract = {
Many coastal and ocean processes of interest operate over large
temporal and geographical scales and require a substantial amount of
computational resources, particularly when engineering design and
failure scenarios are also considered. This study presents an adaptive
multi-analysis technique that improves the efficiency of these
computations when multiple alternatives are being simulated. The
technique, called adaptive subdomain modeling, concurrently analyzes
any number of child domains, with each instance corresponding to a
unique design or failure scenario, in addition to a full-scale parent
domain providing the boundary conditions for its children. To contain
the altered hydrodynamics originating from the modifications, the
spatial extent of each child domain is adaptively adjusted during
runtime depending on the response of the model. The technique is
incorporated in ADCIRC++, a re-implementation of the popular ADCIRC
ocean circulation model with an updated software architecture designed
to facilitate this adaptive behavior and to utilize concurrent
executions of multiple domains. The results of our case studies
confirm that the method substantially reduces computational effort
while maintaining accuracy.}
}
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