Low synchronization Gram–Schmidt and generalized minimal residual algorithms
Summary The Gram–Schmidt process uses orthogonal projection to construct the A= QR
factorization of a matrix. When Q has linearly independent columns, the operator P= I− Q …
factorization of a matrix. When Q has linearly independent columns, the operator P= I− Q …
ExaWind: Open‐source CFD for hybrid‐RANS/LES geometry‐resolved wind turbine simulations in atmospheric flows
Predictive high‐fidelity modeling of wind turbines with computational fluid dynamics,
wherein turbine geometry is resolved in an atmospheric boundary layer, is important to …
wherein turbine geometry is resolved in an atmospheric boundary layer, is important to …
Overset meshes for incompressible flows: On preserving accuracy of underlying discretizations
This study on overset meshes for incompressible-flow simulations is motivated by accurate
prediction of wind farm aerodynamics involving large motions and deformations of …
prediction of wind farm aerodynamics involving large motions and deformations of …
Preparing an incompressible-flow fluid dynamics code for exascale-class wind energy simulations
The US Department of Energy has identified exascale-class wind farm simulation as critical
to wind energy scientific discovery. A primary objective of the ExaWind project is to build …
to wind energy scientific discovery. A primary objective of the ExaWind project is to build …
[PDF][PDF] IEA Wind TCP Task 29, Phase IV: Detailed Aerodynamics of Wind Turbines
JG Schepers, K Boorsma, HA Madsen, GR Pirrung… - 2021 - re.public.polimi.it
This report describes the results of the fourth phase of IEA Task 29 on wind turbine
aerodynamics. This fourth phase, like the first 3 phases (denoted as Mexnext-I to Mexnext-III) …
aerodynamics. This fourth phase, like the first 3 phases (denoted as Mexnext-I to Mexnext-III) …
[HTML][HTML] An approximate block factorization preconditioner for mixed-dimensional beam-solid interaction
This paper presents a scalable approximate block factorization preconditioner for mixed-
dimensional models in beam-solid interaction and their application in engineering. In …
dimensional models in beam-solid interaction and their application in engineering. In …
A Computational Framework for Precise Aerial Agricultural Spray Delivery Processes
JO Betancourt, I Li, E Mengi, L Corrales… - Archives of Computational …, 2024 - Springer
As the world's population is expected to increase, so is the global demand for food.
Sustainable intensification via precision agriculture of existing farms can increase crop …
Sustainable intensification via precision agriculture of existing farms can increase crop …
Algebraic temporal blocking for sparse iterative solvers on multi-core CPUs
Sparse linear iterative solvers are essential for many large-scale simulations. Much of the
runtime of these solvers is often spent in the implicit evaluation of matrix polynomials via a …
runtime of these solvers is often spent in the implicit evaluation of matrix polynomials via a …
Algebraic multigrid preconditioner for statically condensed systems arising from lowest-order hybrid discretizations
We address the numerical solution of linear systems arising from the hybrid discretizations of
second-order elliptic partial differential equations. Such discretizations hinge on a hybrid set …
second-order elliptic partial differential equations. Such discretizations hinge on a hybrid set …
Efficient GMRES+AMG on GPUs: Composite Smoothers And Mixed -Cycles
S Thomas, AH Baker - SIAM Journal on Scientific Computing, 2024 - SIAM
In this study, we introduce algorithms optimized for GPU architectures, aimed at efficiently
solving large sparse linear systems, a central challenge in Navier–Stokes pressure …
solving large sparse linear systems, a central challenge in Navier–Stokes pressure …