LONDON, UK, Jun 11, 2026 – ENGYS is pleased to announce the release of ELEMENTS version 4.5.1, an open-source CFD software suite for vehicle design applications distributed by Streamline Solutions LLC. This release also includes updated versions of the add-on modules ELEMENTS-Adjoint and ELEMENTS-Coupled.
ELEMENTS 4.5.1 is a maintenance release focused on bug fixes, stability improvements and code refinements to address known issues identified in previous versions. For more information, existing users should refer to the Release Notes provided with the software.
To download the latest release of ELEMENTS, please log in to the ENGYS Customer Portal and navigate to the Downloads section to access the latest installation files for Linux and Windows.
For those not currently using ELEMENTS, or wishing to explore the capabilities of the software in more detail, visit the ELEMENTS product page or contact ENGYS to schedule a live demonstration and discover how automotive OEMs, tier-1 suppliers and motorsport teams are using open-source CFD for vehicle design and aerodynamic development.
About Streamline Solutions
Streamline Solutions LLC, a joint venture formed between ENGYS and Auto Research Center, was founded in the USA in early 2012 to service the vehicle design software market, covering automotive, motorsports, commercial and military applications. The company develops and markets the software ELEMENTS, a CFD analysis and vehicle design optimisation suite powered by open-source solver technologies developed by ENGYS as part of its CFD software HELYX. Streamline Solutions combines ENGYS’ leading-edge software development and support, a long and reputable participation in the open-source software business, with ARC’s proven vehicle design expertise and world-leading wind tunnel and experimental facilities for validation purposes.
