Best Free Electromagnetic Simulation Software of 2025

CST Studio Suite is an advanced 3D electromagnetic (EM) analysis software designed to facilitate the design, assessment, and optimization of various electromagnetic components and systems. It offers a unified user interface that houses solvers for a diverse range of applications spanning the entire electromagnetic spectrum. These solvers can be integrated to conduct hybrid simulations, providing engineers the versatility to efficiently analyze complex systems composed of multiple components. Furthermore, collaboration with other SIMULIA products enhances the capability for EM simulation to be seamlessly incorporated into the overall design process, influencing development from the initial phases. Typical applications of EM analysis include evaluating antenna and filter performance, ensuring electromagnetic compatibility and interference compliance, assessing human exposure to EM fields, analyzing electro-mechanical interactions in motors and generators, and studying thermal impacts on high-power devices. The ability to conduct such comprehensive analyses helps drive innovation in various industries that rely on electromagnetic technology.