Calculix

Ansys Mechanical is a best-in-class finite element solver with structural, thermal, acoustics, transient and nonlinear capabilities to improve your modeling. Ansys Mechanical enables you to solve complex structural engineering problems and make better, faster design decisions. With the finite element analysis (FEA) solvers available in the suite, you can customize and automate solutions for your structural mechanics problems and parameterize them to analyze multiple design scenarios. Ansys Mechanical is a dynamic tool that has a complete range of analysis tools. Ansys Mechanical offers a dynamic environment with a complete range of analysis tools, from preparing geometry for analysis to connecting additional physics for even greater fidelity. The intuitive and customizable user interface enables engineers of all levels to get answers fast and with confidence. Ansys Mechanical creates an integrated platform that uses finite element analysis (FEA) for structural analysis.

Simcenter Nastran is a premier finite element method (FEM) solver for computational performance, accuracy, reliability and scalability. Simcenter Nastran includes powerful solutions for linear and nonlinear structural analysis, structural dynamics, acoustics, rotor dynamics, aeroelasticity, thermal analysis, and optimization. The advantage to having all these solutions available in a single solver is that input/output file formats are the same for all solution types, which greatly simplifies modeling processes. Available as a standalone enterprise solver or as an integrated solver in Simcenter 3D, Simcenter Nastran helps manufacturers as well as engineering suppliers in aerospace, automotive, electronics, heavy machinery, medical device, and other industries for their critical engineering computing needs so they can produce safe, reliable and optimized designs within ever shorter design cycles.