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Nathan Collier
Nathan Collier
Staff scientist, Computer Science and Engineering Division, Oak Ridge National Laboratory
Verified email at ornl.gov - Homepage
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Cited by
Year
The Community Land Model version 5: Description of new features, benchmarking, and impact of forcing uncertainty
DM Lawrence, RA Fisher, CD Koven, KW Oleson, SC Swenson, G Bonan, ...
Journal of Advances in Modeling Earth Systems 11 (12), 4245-4287, 2019
9202019
The International Land Model Benchmarking (ILAMB) system: design, theory, and implementation
N Collier, FM Hoffman, DM Lawrence, G Keppel‐Aleks, CD Koven, ...
Journal of Advances in Modeling Earth Systems 10 (11), 2731-2754, 2018
2312018
The cost of continuity: A study of the performance of isogeometric finite elements using direct solvers
N Collier, D Pardo, L Dalcin, M Paszynski, VM Calo
Computer Methods in Applied Mechanics and Engineering 213, 353-361, 2012
1632012
A continuation multilevel Monte Carlo algorithm
N Collier, AL Haji-Ali, F Nobile, E Von Schwerin, R Tempone
BIT Numerical Mathematics 55, 399-432, 2015
1582015
PetIGA: A framework for high-performance isogeometric analysis
L Dalcin, N Collier, P Vignal, AMA C˘rtes, VM Calo
Computer Methods in Applied Mechanics and Engineering 308, 151-181, 2016
1572016
Groundwater flow and heat transport for systems undergoing freeze-thaw: Intercomparison of numerical simulators for 2D test cases
C Grenier, H Anbergen, V Bense, Q Chanzy, E Coon, N Collier, F Costard, ...
Advances in water resources 114, 196-218, 2018
1182018
The cost of continuity: performance of iterative solvers on isogeometric finite elements
N Collier, L Dalcin, D Pardo, VM Calo
SIAM Journal on Scientific Computing 35 (2), A767-A784, 2013
1102013
Representing nitrogen, phosphorus, and carbon interactions in the E3SM land model: Development and global benchmarking
Q Zhu, WJ Riley, J Tang, N Collier, FM Hoffman, X Yang, G Bisht
Journal of Advances in Modeling Earth Systems 11 (7), 2238-2258, 2019
952019
The DOE E3SM v1. 1 biogeochemistry configuration: Description and simulated ecosystem‐climate responses to historical changes in forcing
SM Burrows, M Maltrud, X Yang, Q Zhu, N Jeffery, X Shi, D Ricciuto, ...
Journal of Advances in Modeling Earth Systems 12 (9), e2019MS001766, 2020
812020
Model structure and climate data uncertainty in historical simulations of the terrestrial carbon cycle (1850–2014)
GB Bonan, DL Lombardozzi, WR Wieder, KW Oleson, DM Lawrence, ...
Global Biogeochemical Cycles 33 (10), 1310-1326, 2019
762019
An energy-stable convex splitting for the phase-field crystal equation
P Vignal, L Dalcin, DL Brown, N Collier, VM Calo
Computers & Structures 158, 355-368, 2015
642015
Understanding the representativeness of FLUXNET for upscaling carbon flux from eddy covariance measurements
J Kumar, FM Hoffman, WW Hargrove, N Collier
Earth system science data discussions 2016, 1-25, 2016
622016
On the shape optimization of flapping wings and their performance analysis
M Ghommem, N Collier, AH Niemi, VM Calo
Aerospace Science and Technology 32 (1), 274-292, 2014
582014
The value of continuity: Refined isogeometric analysis and fast direct solvers
D Garcia, D Pardo, L Dalcin, M Paszy˝ski, N Collier, VM Calo
Computer Methods in Applied Mechanics and Engineering 316, 586-605, 2017
512017
Computational complexity and memory usage for multi-frontal direct solvers used in p finite element analysis
VM Calo, NO Collier, D Pardo, MR Paszy˝ski
Procedia Computer Science 4, 1854-1861, 2011
472011
PetIGA-MF: a multi-field high-performance toolbox for structure-preserving B-splines spaces
AF Sarmiento, AMA C˘rtes, DA Garcia, L Dalcin, N Collier, VM Calo
Journal of Computational Science 18, 117-131, 2017
392017
Modeling the spatio-temporal variability in subsurface thermal regimes across a low-relief polygonal tundra landscape: Modeling Archive
PE Thornton, J Kumar, CM Iversen, RT Mills, G Bisht, N Collier, ...
10.5440/1184018, 2016
36*2016
Automatically stable discontinuous Petrov–Galerkin methods for stationary transport problems: Quasi-optimal test space norm
AH Niemi, NO Collier, VM Calo
Computers & Mathematics with Applications 66 (10), 2096-2113, 2013
352013
A survey on direct solvers for Galerkin methods
D Pardo, M Paszynski, N Collier, J Alvarez, L Dalcin, VM Calo
SeMA Journal 57, 107-134, 2012
352012
An energy-stable time-integrator for phase-field models
P Vignal, N Collier, L Dalcin, DL Brown, VM Calo
Computer Methods in Applied Mechanics and Engineering 316, 1179-1214, 2017
322017
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