Computational tools employing the finite element method, where the underlying source code is freely available for use, modification, and distribution, represent a significant segment of engineering software. These tools facilitate the numerical solution of complex engineering problems across various disciplines, including structural mechanics, heat transfer, and fluid dynamics. An example would be a program used to simulate the stress distribution in a bridge under load, where the source code is accessible to engineers for customization and improvement.
The accessibility of the code fosters collaboration, accelerates innovation, and reduces development costs. Historically, such capabilities were primarily confined to proprietary, commercially licensed products. The emergence of community-driven projects has democratized access to advanced simulation technology, enabling researchers, educators, and small businesses to participate in cutting-edge analysis. This has led to a wider adoption of simulation techniques, fostering a deeper understanding of complex physical phenomena and facilitating the design of more efficient and robust engineering solutions.