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Title: Development and Verification of a Numerical Library for Solving Global Terrestrial Multiphysics Problems

Abstract

Current generation Land Surface Models (LSMs) routinely simulate many nonlinear multiphysics processes. The complexity of future generation LSMs is expected to increase as critical new biophysical and biogeochemical processes are incorporated. Current generation LSMs have several shortcomings including the lack of robust numerical methods to solve discretized equations, monolithic software design that hinders testing of a process representation in isolation from other components, and absence of a flexible coupling framework to solve tightly coupled multiphysics problems. While the LSMs community vigorously evaluates the accuracy of the conceptual model to represent reality (validation), the accuracy of the numerical implementation of the conceptual model (verification) is seldom examined. Method of Manufactured Solutions is a technique for verifying complex codes when analytical solutions are unavailable. In this work, we present a stand-alone, open source numerical library for solving global terrestrial multiphysics processes that includes a flexible coupling framework. Robust numerical solution for linear and nonlinear equations is provided via the Portable, Extensible Toolkit for Scientific Computation library. We verify the numerical library using Method of Manufactured Solutions for a range of problems comprising single and multiphysics steady state problems that are applied in one or multiple physical domains. This work provides an examplemore » of incorporating code verification as an integral part of Land Surface Model development activities.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1560160
Alternate Identifier(s):
OSTI ID: 1560163; OSTI ID: 1564044
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Journal of Advances in Modeling Earth Systems
Additional Journal Information:
Journal Volume: 11; Journal Issue: 6; Journal ID: ISSN 1942-2466
Publisher:
American Geophysical Union (AGU)
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES; model verification; Land surface model; Method of Manufactured Solutions; Multiphysics

Citation Formats

Bisht, Gautam, and Riley, William J. Development and Verification of a Numerical Library for Solving Global Terrestrial Multiphysics Problems. United States: N. p., 2019. Web. doi:10.1029/2018ms001560.
Bisht, Gautam, & Riley, William J. Development and Verification of a Numerical Library for Solving Global Terrestrial Multiphysics Problems. United States. doi:10.1029/2018ms001560.
Bisht, Gautam, and Riley, William J. Mon . "Development and Verification of a Numerical Library for Solving Global Terrestrial Multiphysics Problems". United States. doi:10.1029/2018ms001560.
@article{osti_1560160,
title = {Development and Verification of a Numerical Library for Solving Global Terrestrial Multiphysics Problems},
author = {Bisht, Gautam and Riley, William J.},
abstractNote = {Current generation Land Surface Models (LSMs) routinely simulate many nonlinear multiphysics processes. The complexity of future generation LSMs is expected to increase as critical new biophysical and biogeochemical processes are incorporated. Current generation LSMs have several shortcomings including the lack of robust numerical methods to solve discretized equations, monolithic software design that hinders testing of a process representation in isolation from other components, and absence of a flexible coupling framework to solve tightly coupled multiphysics problems. While the LSMs community vigorously evaluates the accuracy of the conceptual model to represent reality (validation), the accuracy of the numerical implementation of the conceptual model (verification) is seldom examined. Method of Manufactured Solutions is a technique for verifying complex codes when analytical solutions are unavailable. In this work, we present a stand-alone, open source numerical library for solving global terrestrial multiphysics processes that includes a flexible coupling framework. Robust numerical solution for linear and nonlinear equations is provided via the Portable, Extensible Toolkit for Scientific Computation library. We verify the numerical library using Method of Manufactured Solutions for a range of problems comprising single and multiphysics steady state problems that are applied in one or multiple physical domains. This work provides an example of incorporating code verification as an integral part of Land Surface Model development activities.},
doi = {10.1029/2018ms001560},
journal = {Journal of Advances in Modeling Earth Systems},
number = 6,
volume = 11,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
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DOI: 10.1029/2018ms001560

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    Works referencing / citing this record:

    Coupling integrated Earth System Model components with BFG2
    journal, April 2009

    • Armstrong, C. W.; Ford, R. W.; Riley, G. D.
    • Concurrency and Computation: Practice and Experience, Vol. 21, Issue 6
    • DOI: 10.1002/cpe.1348

    Permafrost degradation and subsurface-flow changes caused by surface warming trends
    journal, December 2012

    • Frampton, Andrew; Painter, Scott L.; Destouni, Georgia
    • Hydrogeology Journal, Vol. 21, Issue 1
    • DOI: 10.1007/s10040-012-0938-z

    Symbolic manipulation and computational fluid dynamics
    journal, January 1985


    Simulation of canopy photosynthesis in maize and soybean
    journal, October 1989


    Tree root systems competing for soil moisture in a 3D soil–plant model
    journal, April 2014


    A feature model of coupling technologies for Earth System Models
    journal, April 2013


    Managing complexity in simulations of land surface and near-surface processes
    journal, April 2016


    Code verification for multiphase flows using the method of manufactured solutions
    journal, April 2016


    Review of code and solution verification procedures for computational simulation
    journal, May 2005


    Verification of variable-density flow solvers using manufactured solutions
    journal, May 2012


    Numerical integration techniques for discontinuous manufactured solutions
    journal, December 2014


    Verification of fluid-dynamic codes in the presence of shocks and other discontinuities
    journal, August 2015


    Use of the method of manufactured solutions for the verification of conjugate heat transfer solvers
    journal, February 2016


    Weaker land–climate feedbacks from nutrient uptake during photosynthesis-inactive periods
    journal, October 2018


    Current status and future of land surface models
    journal, June 2014


    The residual formulation of the method of manufactured solutions for computationally efficient solution verification
    journal, August 2006

    • Burg, C. O. E.; Murali, V. K.
    • International Journal of Computational Fluid Dynamics, Vol. 20, Issue 7
    • DOI: 10.1080/10618560601024561

    The Model Coupling Toolkit: A New Fortran90 Toolkit for Building Multiphysics Parallel Coupled Models
    journal, August 2005

    • Larson, Jay; Jacob, Robert; Ong, Everest
    • The International Journal of High Performance Computing Applications, Vol. 19, Issue 3
    • DOI: 10.1177/1094342005056115

    Multiphysics simulations: Challenges and opportunities
    journal, February 2013

    • Keyes, David E.; McInnes, Lois C.; Woodward, Carol
    • The International Journal of High Performance Computing Applications, Vol. 27, Issue 1
    • DOI: 10.1177/1094342012468181

    A Closed-form Equation for Predicting the Hydraulic Conductivity of Unsaturated Soils1
    journal, January 1980


    The importance of micrometeorological variations for photosynthesis and transpiration in a boreal coniferous forest
    journal, January 2015


    Modeling canopy-induced turbulence in the Earth system: a unified parameterization of turbulent exchange within plant canopies and the roughness sublayer (CLM-ml v0)
    journal, January 2018

    • Bonan, Gordon B.; Patton, Edward G.; Harman, Ian N.
    • Geoscientific Model Development, Vol. 11, Issue 4
    • DOI: 10.5194/gmd-11-1467-2018

    Development and evaluation of a variably saturated flow model in the global E3SM Land Model (ELM) version 1.0
    journal, January 2018

    • Bisht, Gautam; Riley, William J.; Hammond, Glenn E.
    • Geoscientific Model Development, Vol. 11, Issue 10
    • DOI: 10.5194/gmd-11-4085-2018

    A multi-level canopy radiative transfer scheme for ORCHIDEE (SVN r2566), based on a domain-averaged structure factor
    journal, November 2016

    • McGrath, Matthew J.; Ryder, James; Pinty, Bernard
    • Geoscientific Model Development Discussions
    • DOI: 10.5194/gmd-2016-280

    OASIS4 – a coupling software for next generation earth system modelling
    journal, January 2010

    • Redler, R.; Valcke, S.; Ritzdorf, H.
    • Geoscientific Model Development, Vol. 3, Issue 1
    • DOI: 10.5194/gmd-3-87-2010

    Automated continuous verification for numerical simulation
    journal, January 2011

    • Farrell, P. E.; Piggott, M. D.; Gorman, G. J.
    • Geoscientific Model Development, Vol. 4, Issue 2
    • DOI: 10.5194/gmd-4-435-2011

    Modeling stomatal conductance in the earth system: linking leaf water-use efficiency and water transport along the soil–plant–atmosphere continuum
    journal, January 2014

    • Bonan, G. B.; Williams, M.; Fisher, R. A.
    • Geoscientific Model Development, Vol. 7, Issue 5
    • DOI: 10.5194/gmd-7-2193-2014

    Linking hydraulic traits to tropical forest function in a size-structured and trait-driven model (TFS v.1-Hydro)
    journal, January 2016

    • Christoffersen, Bradley O.; Gloor, Manuel; Fauset, Sophie
    • Geoscientific Model Development, Vol. 9, Issue 11
    • DOI: 10.5194/gmd-9-4227-2016

    Modeling the spatiotemporal variability in subsurface thermal regimes across a low-relief polygonal tundra landscape
    journal, January 2016


    Three-phase numerical model for subsurface hydrology in permafrost-affected regions (PFLOTRAN-ICE v1.0)
    journal, January 2014