Wolfgang Bangerth
YOU?
Author Swipe
View article: The deal.II library, version 9.7
The deal.II library, version 9.7 Open
This paper provides an overview of the new features of the finite element library deal.II , version 9.7.
View article: The ArborX library: version 2.0
The ArborX library: version 2.0 Open
This paper provides an overview of the 2.0 release of the ArborX library, a performance portable geometric search library based on Kokkos. We describe the major changes in ArborX 2.0 including a new interface for the library to support a w…
View article: Status Epilepticus Protocol Variation Across Accredited National Association of Epilepsy Centers Members
Status Epilepticus Protocol Variation Across Accredited National Association of Epilepsy Centers Members Open
Despite the importance of timeliness in SE management, one third of institutional protocols did not specify treatment times. This analysis of US hospital inpatient SE protocols provides expert opinion regarding infusion therapy management …
View article: ArborX 2.0
ArborX 2.0 Open
ArborX library tackles a problem of efficiently finding geometric objects that are close in space. Variations of this problem, such as finding the nearest neighbors of a point, or finding all objects within a certain distance, are inherent…
View article: The deal.II library, Version 9.6
The deal.II library, Version 9.6 Open
This paper provides an overview of the new features of the finite element library deal.II, version 9.6.
View article: Advances in ArborX to support exascale applications
Advances in ArborX to support exascale applications Open
ArborX is a performance portable geometric search library developed as part of the Exascale Computing Project (ECP). In this paper, we explore a collaboration between ArborX and a cosmological simulation code HACC. Large cosmological simul…
View article: Advances in ArborX to support exascale applications
Advances in ArborX to support exascale applications Open
ArborX is a performance portable geometric search library developed as part of the Exascale Computing Project (ECP). In this paper, we explore a collaboration between ArborX and a cosmological simulation code HACC. Large cosmological simul…
View article: Experiences with implementing Kokkos’ SYCL backend
Experiences with implementing Kokkos’ SYCL backend Open
With the recent diversification of the hardware landscape in the high-performance computing community, performance-portability solutions are becoming more and more important. One of the most popular choices is Kokkos. In this paper, we des…
View article: The deal.II Library, Version 9.5
The deal.II Library, Version 9.5 Open
This paper provides an overview of the new features of the finite element library deal.II , version 9.5.
View article: Fast tree-based algorithms for DBSCAN for low-dimensional data on GPUs
Fast tree-based algorithms for DBSCAN for low-dimensional data on GPUs Open
DBSCAN is a well-known density-based clustering algorithm to discover arbitrary shape clusters. While conceptually simple in serial, the algorithm is challenging to efficiently parallelize on manycore GPU architectures. Common pitfalls, su…
View article: Affective Memory in Gamified Learning: A Usability Study
Affective Memory in Gamified Learning: A Usability Study Open
Gamified learning has the potential to improve learning outcomes, but most strategies are focused on using Points-Badges-Leaderboards (PBL) while neglecting other game elements. Drawing upon research discussing nostalgia’s potential to imp…
View article: Kokkos v.4.0
Kokkos v.4.0 Open
SAND2023-07883O Kokkos software implements C++ performance portability programming models, tools and math libraries, which enables science and engineering software developers to use single-source codes for a wide range of computer architec…
View article: Kokkos 3: Programming Model Extensions for the Exascale Era
Kokkos 3: Programming Model Extensions for the Exascale Era Open
As the push towards exascale hardware has increased the diversity of system architectures, performance portability has become a critical aspect for scientific software. We describe the Kokkos Performance Portable Programming Model that all…
View article: The deal.II library, Version 9.3
The deal.II library, Version 9.3 Open
This paper provides an overview of the new features of the finite element library deal.II, version 9.3.
View article: Fast tree-based algorithms for DBSCAN on GPUs.
Fast tree-based algorithms for DBSCAN on GPUs. Open
DBSCAN is a well-known density-based clustering algorithm to discover clusters of arbitrary shape. The efforts to parallelize the algorithm on GPUs often suffer from high thread execution divergence (for example, due to asynchronous calls …
View article: The deal.II library, Version 9.2
The deal.II library, Version 9.2 Open
This paper provides an overview of the new features of the finite element library deal.II, version 9.2.
View article: A matrix‐free approach for finite‐strain hyperelastic problems using geometric multigrid
A matrix‐free approach for finite‐strain hyperelastic problems using geometric multigrid Open
Summary This work investigates matrix‐free algorithms for problems in quasi‐static finite‐strain hyperelasticity. Iterative solvers with matrix‐free operator evaluation have emerged as an attractive alternative to sparse matrices in the fl…
View article: ExaDG: High-Order Discontinuous Galerkin for the Exa-Scale
ExaDG: High-Order Discontinuous Galerkin for the Exa-Scale Open
This text presents contributions to efficient high-order finite element solvers in the context of the project ExaDG, part of the DFG priority program 1648 Software for Exascale Computing (SPPEXA). The main algorithmic components are the ma…
View article: The deal.II finite element library.
The deal.II finite element library. Open
deal.II is a state-of-the-art finite element library focused on generality, dimension-independent programming, parallelism, and extensibility. Herein, we outline its primary design considerations and its sophisticated features such as dist…
View article: The deal.II library, Version 9.1
The deal.II library, Version 9.1 Open
This paper provides an overview of the new features of the finite element library deal.II, version 9.1.
View article: The deal.II library, Version 9.0
The deal.II library, Version 9.0 Open
This paper provides an overview of the new features of the finite element library deal.II version 9.0.
View article: The deal.II library, version 8.5
The deal.II library, version 8.5 Open
This paper provides an overview of the new features of the finite element library deal.II version 8.5.
View article: dealii: deal.II version 8.4.2
dealii: deal.II version 8.4.2 Open
This is a minor update to 8.4.1 with compatibility fixes for gcc 6.x support, PETSc 3.7.x, and development versions of P4est. For more information please have a look at: https://www.dealii.org/developer/doxygen/deal.II/changes_between_8_4_…
View article: Quasi-Optimal Error Estimates for the Incompressible Navier-Stokes Problem Discretized by Finite Element Methods and Pressure-Correction Projection with Velocity Stabilization
Quasi-Optimal Error Estimates for the Incompressible Navier-Stokes Problem Discretized by Finite Element Methods and Pressure-Correction Projection with Velocity Stabilization Open
We consider error estimates for the fully discretized instationary Navier-Stokes problem. For the spatial approximation we use conforming inf-sup stable finite element methods in conjunction with grad-div and local projection stabilization…
View article: dealii: deal.II pre-release version 8.4.0-rc2
dealii: deal.II pre-release version 8.4.0-rc2 Open
The development repository for the deal.II finite element library.
View article: Stabilized Finite Element Methods for Coupled Incompressible Flow Problems
Stabilized Finite Element Methods for Coupled Incompressible Flow Problems Open
In this thesis, a finite element discretization of the incompressible Navier-Stokes equations for a non-isothermal and electrically conducting fluid in a possibly rotating frame of reference is considered. In particular, the Oberbeck-Bouss…
View article: Evaluation of Gifted Education using A-F School Grading Accountability Systems
Evaluation of Gifted Education using A-F School Grading Accountability Systems Open
A recent trend in accountability systems in the United States has been grading schools on an A-F scale. Some of the evaluation components included in these systems are standardized test proficiency rates and student growth measures. Tradit…