by Ankang Gao (Department of Aeronautics, Imperial College London) The visualisation of the flow fields output by Nektar++ looks not smooth if the resolution is not enough. Figure 1 is an example of the leading-edge vortex generated by a plunging wing at Reynolds number 10,000. The result is from a work recently submitted to JFM […]
Interactive post-processing with paraview on ARCHER2 In this post, you will learn how to run an interactive job on ARCHER2 for postprocessing using PARAVIEW first you need to load the paraview on the ARCHER2 module load paraview This will load paraview 5.9.1 with spray ray tracing. You need to have the exact same version installed […]
Nektar++ v5.1.0 released
The latest version of Nektar++, v5.1.0, was released on the 24th November 2021.
Flow past a circular cylinder: numerical convergence and computational efficiency
using Nektar++, we reported a systematic numerical convergence study for the case of flow past a circular cylinder at Re = 3900.
Nektar++ Workshop 2021
The 5th annual Nektar++ Workshop will bring together developers and users of all experiences to hear about new and future developments in Nektar++ and the exciting science and engineering being undertaken with the code.
At our recent Nektar++ tutorial we produced a number of videos supporting the background of the framework. We include them here for general reference and also make the presentations available in Keynote and Powerpoint formats.
Industry-relevant implicit LES via spectral/hp element methods
We present the successful deployment of high-fidelity Large-Eddy Simulation (LES) technologies based on spectral/hp element methods (SEM) to an industry-relevant configuration. The simulation is carried out on a real automotive car, namely the Elemental Rp1 model.
Nektar++ on ARCHER2
The ARCHER2 national supercomputer is a world class advanced computing resource and is the successor to ARCHER. This guide is intended to provide basic instructions for compiling the Nektar++ stable release or master branch on the ARCHER2 system.
This blog highlights some research efforts aimed at simulating the wake passing effect in a low pressure turbine cascade, analysed over the entire operating range. The incoming disturbances modify the physical transition mechanism on the suction surface, giving rise to complex flow phenomena.
Speed comparison between Nektar++ solvers
There are various flow solvers built in Nektar++ that exploit different numerical approaches. This this article provides some results on the comparison of four different solver setups that are commonly used, based on two standard benchmark cases.