Case Studies

NAG Case Studies

Technical, software & services update from NAG

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Oxford Professor uses NAG components to aid the design of new magnetic materials

Magnetic materials come in many different forms. The most familiar are ferromagnets, such as iron and nickel, which become magnetized in an external magnetic field and retain their magnetization after the field has been switched off.

Tags: NAG Library, Oxford University

PowerGen optimizes power plant performance using NAG’s Algorithms

Faced with an increasingly competitive power supply market and stricter environmental targets, optimizing the performance of its power plants has become a major challenge for PowerGen, a global generator, distributor and supplier of electricity.

Tags: NAG Library, Optimization

Load balancing issues uncovered in a particle tracking application

The Centre for Environment, Fisheries and Aquaculture Science (Cefas) use an off-line particle tracking model that requires velocity fields from a hydrodynamic model.

Tags: HPC

3 x Speed Improvement for Computational Fluid Dynamics Solver

zCFD by Zenotech is a computational fluid dynamics (CFD) solver for steady-state or time-dependent flow simulation. It is written in Python and C++ and parallelised with OpenMP and MPI.

Tags: HPC

Audit of a Density Functional Theory application suggested a potentially improved communications scheme

The objective of this work was to investigate the possibilities of improving the DFTB application performance on large systems distributed-memory machines.

Tags: HPC, POP

NAG Partner | DemandTec

In today’s highly competitive retail market retailers need the most advanced and up to date software capabilities to achieve advantage over competitors and maximize profits.

Tags: NAG, Partners

HECToR dCSE Team Quadruples Speed and Enhances Scalability of Key Materials Science Code – CASTEP

The objective of the dCSE project was to develop an improved, more scalable version of CASTEP – a software package which uses density functional theory with a plane wave basis set to calculate electronic properties of solids from first principles.

Tags: HECToR, HPC

Performance Improvements on Suite of Computational Chemistry HPC Codes

We performed a broad investigation of the ADF Modeling Suite including assessing the performance of new functionality, locating and fixing bottlenecks and testing multiple approaches on three of the most widely used applications

Tags: HPC
Oil tanker and oil rig in the gulf

Computational Cost Halved for Oil and Gas Seismic Code Through NAG HPC Expertise

NAG’s HPC team was chosen to perform the following work because of their experience in working with large HPC centers on specialist business focused projects. It was conducted within NAG’s involvement in the Performance Optimisation and Productivity Centre of Excellence.

Tags: HPC

NAG HPC Consulting Experts Enhance Computational Fluid Dynamics Application for Optimised Ship Design

NAG, as HPC experts, were asked to investigate the optimal system configuration for the CFD based application to achieve good performance on the chosen HPC cluster platform.

Tags: CFD, HPC

NAG Fortran Compiler used in new Parallel Programming Book

Many of the examples used in Subrata Ray’s latest book ‘Fortran 2018 with Parallel Programming’ are tested using the NAG Fortran Compiler.

Tags: Fortran Compiler, Parallel Programming

ZS Associates use the NAG Library for data analysis when guiding millions of dollars of marketing expenditure

Knowing that NAG have been the world experts at mathematical and statistical algorithm provision for over four decades, ZS Associates turned to NAG as the solution to their software’s numeric capabilities.

Tags: Algorithms, NAG Library, Optimization
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