Integration of Dakota into the NEAMS Workbench

Swiler, Laura Painton; Lefebvre, Robert A; Langley, Brandon R.; Thompson, Adam J.

doi:10.2172/1372616

Cited by 5 publications

(6 citation statements)

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“…The MOOSE framework provides stochastic tools for MOOSE applications; as described above, these tools are available through the application's input fields in the Workbench. Prior work in the NEAMS campaign integrated the DAKOTA toolkit into the NEAMS Workbench [14]. The DAKOTA toolkit, combined with the Workbench's template-editing capability, provides a tool set that enables engineers to conduct uncertainty quantification and optimization tasks.…”

Section: Edit Acceleratorsmentioning

confidence: 99%

NEAMS Workbench MOOSE Integration Update

Lefebvre¹,

Langley²,

Miller³

et al. 2021

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Section: Edit Acceleratorsmentioning

confidence: 99%

NEAMS Workbench MOOSE Integration Update

Lefebvre¹,

Langley²,

Miller³

et al. 2021

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“…The ability to run part or all of a workflow on remote computing resources will be added. Finally, the NEAMS Workbench Dakota integration, which provides sensitivity analysis (SA), uncertainty quantification (UQ), and optimization capabilities [12], will be demonstrated, and any required changes will be made to facilitate streamlined user analysis of SA/UQ and optimization.…”

Section: Phase 3 -Additional Capabilities and Feedbackmentioning

confidence: 99%

NEAMS Workbench Workflows

Lefebvre

Delchini

Stauff

et al. 2021

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Modeling and simulation efforts frequently involve loosely coupled workflows. Automation of workflows, data exchanges, and simulation software execution is a productive and often desired feature or improvement for enhancing consistency of results and productivity of the analyst. It facilitates crosscollaboration of different analysts of multidisciplinary simulation by streamlining data exchange processes across local and high performance computing resources. This report proposes a high-level, extensible workflow module to enable consistent and efficient use of tools integrated into the Nuclear Energy Advanced Modeling and Simulation (NEAMS) Workbench with as little user intervention as possible.

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“…The user input syntax provides a human-readable format that is a more flexible, less error-prone data format than the previous approach of using Microsoft Excel spreadsheets. The data are also more accessible via processing support in the Workbench Analysis Sequence Processor (WASP) [9], and with the NEAMS Workbench integration of the Dakota Uncertainty Quantification (UQ) and optimization capabilities [13], the data are more easily configured for future sensitivity and uncertainty studies. The ThermPhys input captures all data currently reported by [5] and presents it in an intuitive format, as depicted in Figure 14.…”

Section: Description Of Thermphysmentioning

confidence: 99%