Open-Source CFD Tools are Key
The MOOSE framework's Navier-Stokes module offers open-source simulation capabilities for compressible/incompressible flows and turbulence. Modern aerospace CFD relies on modular tools with flexible boundary conditions and multi-physics coupling. Hands-on experience with OpenFOAM or similar is a major plus in interviews.
The Navier-Stokes equations, crucial for aerospace CFD, were developed from 1822 to 1850 by Navier and Stokes, expressing momentum balance for Newtonian fluids. These equations model weather, ocean currents, and airflow around wings, aiding in aircraft and car design. The equations account for viscosity, unlike the related Euler equations. OpenFOAM, a free, open-source CFD toolkit, is gaining traction in aerospace, offering a cost-effective alternative to commercial software like ANSYS. NASA and DLR have validated OpenFOAM against wind tunnel data for standard aerospace test cases. Rolls-Royce has also funded OpenFOAM development for internal flow applications. The MOOSE framework, developed by Idaho National Laboratory, is used for tightly coupled multiphysics solvers. It boasts a library of kernels for solid mechanics, Navier-Stokes equations, and phase-field models. MOOSE leverages Department of Energy software and supports mesh adaptation and parallel execution. Aerospace CFD engineers often collaborate with structural, propulsion, and systems engineers. Aerospace companies are hiring CFD engineers for roles involving thermal performance, cooling systems, and design optimization. A master's degree in aerospace or mechanical engineering is often required.