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Title: Nalu's Linear System Assembly using Tpetra

Technical Report ·
DOI:https://doi.org/10.2172/1493844· OSTI ID:1493844
 [1];  [1]
  1. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

The Nalu Exascale Wind application assembles linear systems using data structures provided by the Tpetra package in Trilinos. This note describes the initialization and assembly process. The purpose of this note is to help Nalu developers and maintainers to understand the code surrounding linear system assembly, in order to facilitate debugging, optimizations, and maintenance.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); ECP Exawind Project
DOE Contract Number:
AC04-94AL85000; NA0003525
OSTI ID:
1493844
Report Number(s):
SAND-2019-0120; 672108
Country of Publication:
United States
Language:
English