For individuals or small entities unable to afford commercial licensing, several open-source FEA packages are available legally:

Abaqus/CAE offers an intuitive graphical user interface (GUI) that simplifies the process of creating models, setting up analyses, and visualizing results.

Abaqus 6.12, developed by Dassault Systèmes, is a suite of finite element analysis (FEA) software used for modeling the physical behavior of mechanical parts and assemblies. In research, it is primarily used to predict stress distribution, thermal gradients, and fluid-structure interactions. 2. Core Modules in Version 6.12