Nektar++

Spectral/hp Element Framework

User Guide

The user guide provides a reference for the available solvers and their options. It is available in HTML form here:

Previous versions of the user guide are also available in HTML or as PDF documents.

The developer guide provides details of the implementation of the various algorithms used in Nektar++ and the structure of the library.

Previous versions of the developer guide are also available in HTML or as PDF documents.

Low-level documentation, generated using Doxygen, is available for the following versions of the code:

Documentation for previous versions of the code is also available here.

Nektar++ 5.8.0 ReleasedJune 15, 2025
The latest version of Nektar++, v5.8.0, was released on the 15th June 2025.
Nektar++ Workshop 2025May 7, 2025
The 9th annual Nektar++ Workshop will bring together developers and users of all experiences to hear about new and future developments in the Nektar++ spectral/hp element framework and the exciting science and engineering being undertaken with the code.
Synthetic turbulence generator in Nektar++November 12, 2024
Advancements in modern hardware and numerical methods have significantly enhanced the feasibility of scale-resolving simulations, such as direct numerical simulation, for industrial applications. For effective application, these simulations require the generation of realistic incoming turbulence to ensure accurate predictions of the flow field.
Nektar++ 5.7.0 ReleasedNovember 6, 2024
The latest version of Nektar++, v5.7.0, was released on the 30th October 2024.
Nektar++ on ARCHER2October 25, 2024
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.