External Aero

The fastest CFD Flow Integrated Environment dedicated to External Aero


Modeling real-world external aerodynamic problems requires real-world solutions that are both fast and accurate.

OMNIS/Hexpress provides an ultra fast set-up with high quality grids regardless of the complexity of the geometry. Viscous layer insertion is a breeze thanks to extrusion and inflation tools. If there is a multitude of holes to close in the geometry due to missing seals, welds, or CAD-imperfections, Autoseal fixes the job in a few hours or less.

Dealing with complex flow physics such as separation, laminar to turbulent transition has been perfected thanks to dedicated turbulence models such as the SSC-EARSM, validated against a number of sub-, trans- and supersonic cases. Fluid-Structure analysis for e.g. flutter analysis is available thanks to the efficient modal approach or coupled to the structural solver Oofelie for full 1, -2 way coupling. With the patented CPU Booster technology, the solvers are ultra fast as well, up 3x to 15x times faster than the competition! 

With built-in, world-leading expertise and an engineering environment that accelerates your design flow from initial concept through simulation, analysis and optimization, NUMECA assists you in every step of your design process.


Drivaer model: DES simulation

NASA Concept 25 D Superonic: Sonic Boom

Masten Space Systems launch vehicle: design optimization

Mustang GT500: RANS simlation



Forget about CAD repair thanks to AutoSeal

AutoSeal is the fastest, most innovative approach for CAD preparation on the market today​.  

Poor quality CADs and highly complex structures require a lot of manual input to result in a good quality mesh.

What NUMECA’s AutoSeal offers is the ability to automatically prepare geometries for CFD analysis in near real-time. For example, it was taking skilled engineers from Honda Automotive 1 week to clean and fill the holes in their CR-V cab geometry. With the simple installation of AutoSeal, Honda now does this in 1 hour with 100% success rate. It was a radical improvement to their workflow that was implemented in under a week. 

This technology works for everything: complete cars, ship structures, combustion chambers, airplanes,... whatever geometry you have, including CAD and STL, even geometries coming from 3D scans.


OMNIS™ - Power to explore, collaborate and innovate

One single integrated multiphysics environment for all steps in the simulation process, powered by the fastest solvers on the market.

Accurately predict real-world product performance through multiphysics simulation. Run all of your CAE  simulations (FEA, CFD, EM,...) in one open platform and change from one physics to another by the simple click of a button. 

Set-up is a breeze; go from CAD to a CFD-ready high-quality mesh in minutes.

Steer product design from start to finish through a highly-automated and streamlined workflow.

High Fidelity - Built for the most advanced simulation needs.


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