Verification of Advective Bar Elements Implemented in the Sierra/Aria Thermal Response Code

Mills, Brantley; Hetzler, Adam; Deng, Oscar

doi:10.1115/1.4041837

Title: Verification of Advective Bar Elements Implemented in the Sierra/Aria Thermal Response Code

Journal Article · Wed Oct 24 00:00:00 EDT 2018 · Journal of Verification, Validation and Uncertainty Quantification

DOI:https://doi.org/10.1115/1.4041837· OSTI ID:1487427

Mills, Brantley ^[1]; Hetzler, Adam ^[1]; Deng, Oscar ^[1]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

A thorough code verification effort has been performed on a reduced order, finite element model for one-dimensional (1D) fluid flow convectively coupled with a three-dimensional (3D) solid, referred to as the “advective bar” model. The purpose of this effort was to provide confidence in the proper implementation of this model within the sierra/aria thermal response code at Sandia National Laboratories. Furthermore the method of manufactured solutions (MMS) is applied so that the order of convergence in error norms for successively refined meshes and timesteps is investigated. Potential pitfalls that can lead to a premature evaluation of the model's implementation are described for this verification approach when applied to this unique model. Through observation of the expected order of convergence, these verification tests provide evidence of proper implementation of the model within the codebase.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1487427

Alternate ID(s):: OSTI ID: 1499697

Report Number(s):: SAND-2018-8740J; SAND-2018-1963J; 666838

Journal Information:: Journal of Verification, Validation and Uncertainty Quantification, Vol. 3, Issue 3; ISSN 2377-2158

Publisher:: ASMECopyright Statement

Country of Publication:: United States

Language:: English

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