SHARP Assembly-Scale Multiphysics Demonstration Simulations.

Tautges, Timothy J.; Fischer, Paul; Grindeanu, Iulian; Jain, Rajeev; Mahadevan, Vijay; Obabko, Aleksandr; Smith, Michael; Merzari, Elia; Ferencz, Robert M.; NE,

doi:10.2172/1095497

Cited by 8 publications

(12 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Detailed specifications for the XX09 assembly can be found in [ 40 , 41 ]. Owing to the nature of the physics discretization (and similar to the SAHEX problem), the neutronics mesh is much more resolved than the corresponding fluid mesh in order to capture the heterogeneity in the geometry.…”

Section: Resultsmentioning

confidence: 99%

“…(i) the time-step size necessary for this transient to maintain accuracy and (ii) the importance of the inclusion of all types of feedback effects. (c) Realistic benchmark problem: XX09 assembly Detailed specifications for the XX09 assembly can be found in [40,41]. Owing to the nature of the physics discretization (and similar to the SAHEX problem), the neutronics mesh is much more resolved than the corresponding fluid mesh in order to capture the heterogeneity in the geometry.…”

Section: (Iii) Coupled Physics Calculationsmentioning

confidence: 99%

See 1 more Smart Citation

High-resolution coupled physics solvers for analysing fine-scale nuclear reactor design problems

Mahadevan

Merzari

Tautges

et al. 2014

Phil. Trans. R. Soc. A.

View full text Add to dashboard Cite

An integrated multi-physics simulation capability for the design and analysis of current and future nuclear reactor models is being investigated, to tightly couple neutron transport and thermal-hydraulics physics under the SHARP framework. Over several years, high-fidelity, validated mono-physics solvers with proven scalability on petascale architectures have been developed independently. Based on a unified component-based architecture, these existing codes can be coupled with a mesh-data backplane and a flexible coupling-strategy-based driver suite to produce a viable tool for analysts. The goal of the SHARP framework is to perform fully resolved coupled physics analysis of a reactor on heterogeneous geometry, in order to reduce the overall numerical uncertainty while leveraging available computational resources. The coupling methodology and software interfaces of the framework are presented, along with verification studies on two representative fast sodium-cooled reactor demonstration problems to prove the usability of the SHARP framework.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: (Iii) Coupled Physics Calculationsmentioning

confidence: 99%

High-resolution coupled physics solvers for analysing fine-scale nuclear reactor design problems

Mahadevan

Merzari

Tautges

et al. 2014

Phil. Trans. R. Soc. A.

View full text Add to dashboard Cite

show abstract

“…As stated above, SHARP employs a "bottom-up" approach, so it can use existing physics codes and take advantage of existing infrastructure capabilities in the MOAB framework and the coupling driver/solver library, the Coupled Physics Environment (CouPE), which utilizes the widely used, scalable PETSc library [11].…”

Section: The Sharp Multi-physics Code Systemmentioning

confidence: 99%

Full Core Multiphysics Simulation with Offline Mesh Deformation

Merzari

Shemon

et al. 2015

Self Cite

View full text Add to dashboard Cite

The NEAMS Reactor Product Line effort aims to develop an integrated multi-physics simulation capability for the design and analysis of future generations of nuclear power plants. The Reactor Product Line code suite's multi-resolution hierarchy is being designed to ultimately span the full range of length and time scales present in relevant reactor design and safety analyses, as well as scale from desktop to petaflop computing platforms.In this report, building on previous reports issued in FY13 we describe our continued efforts to integrate thermal/hydraulics, neutronics, and structural mechanics modeling codes to perform coupled analysis of a representative fast sodium-cooled reactor core. The focus of the present report is a full core simulation with off-line mesh deformation.Over the past five years, the Reactor Product Line effort has developed high-fidelity singlephysics codes for neutron transport modeling, in the PROTEUS code, and computational fluid dynamics thermal/fluid modeling in the Nek5000 code. Both these codes have been exercised on over 100,000 processors of the IBM Blue Gene/P. The Diablo code has been used to perform structural mechanics and thermomechanical modeling. MOAB, the Reactor Geometry Generator (RGG), and MeshKit have been developed to generate and manipulate mesh and mesh-based data, in both serial and parallel environments. These tools together form a strong basis on which to build a multiphysics modeling capability. The goal of developing such a tool is to perform multiphysics neutronics, thermal/fluid, and structural mechanics modeling of the components inside a reactor core, the full reactor core or portions of it, and be able to achieve that with various level of fidelity. This flexibility allows users to select the appropriate level of fidelity for their computational resources and design constraints. We also note that while the focus of this report is on modeling a fast sodiumcooled reactor, another goal is that this simulation tool be useful for most reactor types.Here we report on the continued integration effort of PROTEUS, Nek5000 and Diablo into the NEAMS framework. As compared with the FY13 report, the multiphysics setup has been updated to deal with mesh deformation due to the thermal expansion. Both codes have been demonstrated on a model of the Advanced Burner Test Reactor (ABTR). The reactor has been chosen, as opposed to the previously simulated EBRII reactor because of the recent features of the core design, including the core restraint system.

show abstract

“…The Fuels Product Line (FPL) at the Idaho National Laboratory (INL) is developing the Multi-Physics Object-Oriented Simulation Environment (MOOSE) framework [1] upon which the BISON fuel performance code [2] is based. In parallel, the Reactor Product Line (RPL) at Argonne National Laboratory (ANL) has been developing the SHARP framework [3], which facilitates the use of multiple codes including PROTEUS [4] and Nek5000 [5]. MOOSE focuses on providing a multi-physics framework which uses a top-down approach in which the framework is constructed first, and then the applications are built on top of the framework.…”

Section: Introductionmentioning

confidence: 99%

Warthog: Coupling Status Update

Shane

Reardon

2017

View full text Add to dashboard Cite

SHARP Assembly-Scale Multiphysics Demonstration Simulations.

Cited by 8 publications

References 15 publications

High-resolution coupled physics solvers for analysing fine-scale nuclear reactor design problems

High-resolution coupled physics solvers for analysing fine-scale nuclear reactor design problems

Full Core Multiphysics Simulation with Offline Mesh Deformation

Warthog: Coupling Status Update

Contact Info

Product

Resources

About