License & Deployment Mix: 15 tools – 9 OSS, 0 SaaS. (OSS and SaaS counts can overlap when an open-source tool also offers a vendor-hosted edition.)

What Is Simulation / FEA Software?

Simulation and Finite Element Analysis (FEA) software enables engineers to model, analyze, and predict the physical behavior of structures, fluids, and systems before building physical prototypes. These tools solve partial differential equations over discretized domains (meshes) to simulate real-world physics.

The simulation domain spans several disciplines:

• Structural analysis – stress, strain, deformation, fatigue, and failure prediction under static and dynamic loads
• Thermal analysis – heat transfer, conduction, convection, and radiation modeling
• Computational Fluid Dynamics (CFD) – fluid flow, turbulence, aerodynamics, and heat exchange in fluids
• Electromagnetic analysis – electric fields, magnetic fields, and wave propagation
• Multi-physics – coupled simulations combining two or more physics domains (e.g., thermal + structural, fluid-structure interaction)

The information on these pages was researched by a combination of human review and large language models. To suggest an addition or correction, please contact us. Prepared by Rhodium Systems Inc., author of the ResorsIT platform — a unified IT operations management platform for IT teams and MSPs that integrates a curated suite of open-source, commercial, and SaaS applications into a single system with shared identity, single sign-on, access control, and a common audit trail. Use this catalogue only as a starting point for your own research, and review any tool carefully against your own requirements before relying on it. Catalogue data version 2026.197.

Comparison

No single simulation tool fits all cases – the choice depends on the engineering domain, budget, and existing workflows.

Feature Matrix

* = GUI available via separate pre/post-processor (Salome-Meca, GiD, etc.)

CHT = Conjugate Heat Transfer; FSI = Fluid-Structure Interaction

File Format Support

Deployment Comparison

Comm. = community-maintained Docker images (not official)

Licensing Comparison

Open-source tools have no license cost but require internal expertise for setup, meshing, solver configuration, and post-processing.

Commercial tools include polished GUIs, technical support, validated solvers, and established industry certification workflows.

SSO / OIDC Comparison

Most simulation tools are desktop applications; SSO is not directly applicable. Authentication is managed at the infrastructure level (VDI, HPC scheduler, license server).

For desktop tools deployed via VDI, SSO is handled by the VDI platform (e.g., Apache Guacamole with Authentik OIDC).

Suitability Summary

Open-Source Recommended Stack

For customers needing a fully open-source simulation environment:

1. Salome-Meca – pre/post-processing + Code_Aster solver (structural/thermal)
2. OpenFOAM – CFD simulations
3. GMSH – mesh generation for any solver
4. ParaView – visualization and post-processing for all solvers
5. Elmer – multi-physics (electromagnetic, heat, fluid, structural coupling)

Commercial Recommendations

For customers with commercial simulation needs:

• ANSYS – broadest multi-physics platform; most industry certifications
• Abaqus – best for nonlinear structural analysis (automotive, aerospace)
• COMSOL – strongest multi-physics coupling; popular in R&D and academia
• SimScale – cloud-native; no HPC infrastructure needed; good for SMBs

Infrastructure Planning

For infrastructure supporting simulation workloads:

• HPC clusters – Slurm job scheduler, InfiniBand networking, parallel filesystems (BeeGFS, Lustre)
• License servers – FlexLM/FlexNet monitoring via Telegraf; usage dashboards in Grafana
• Storage – high-throughput parallel filesystem for simulation I/O; archive tier for completed results
• VDI – remote access to pre/post-processing GUIs with GPU passthrough

Tools

15 tools.

Abaqus (Dassault Systemes)

Abaqus is a premium commercial FEA suite from Dassault Systemes (SIMULIA), a leader in nonlinear structural analysis with implicit and explicit solvers and an extensive material model library.

License: Proprietary (proprietary) · Kind: web · Deploy: saas, docker · SSO: none

Website

Altair HyperWorks

Altair HyperWorks is a comprehensive simulation platform that includes pre-processing (HyperMesh), solvers (OptiStruct, Radioss, AcuSolve), and post-processing (HyperView) in a unified suite.

License: Proprietary (proprietary) · Kind: web · Deploy: saas, docker · SSO: none

Website

ANSYS

ANSYS is the largest and most comprehensive commercial simulation platform, covering structural mechanics, CFD, electromagnetics, semiconductors, optics, and systems simulation. ANSYS Inc.

License: Proprietary (proprietary) · Kind: web · Deploy: saas, docker · SSO: none

Website

CalculiX

CalculiX is an open-source FEA package developed by Guido Dhondt and Klaus Wittig. It consists of two main components: CCX (CalculiX CrunchiX), the solver, and CGX (CalculiX GraphiX), the pre/post-processor.

License: GPL-2.0-only (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

Code_Aster

Code_Aster is an open-source structural and thermomechanical FEA solver developed by EDF (Electricite de France).

License: GPL-3.0-only (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

COMSOL Multiphysics

COMSOL Multiphysics is a commercial simulation platform renowned for its multi-physics coupling capabilities.

License: Proprietary (proprietary) · Kind: web · Deploy: docker · SSO: none

Website

Elmer

Elmer is an open-source multi-physics simulation tool developed by CSC – IT Center for Science in Finland.

License: GPL-2.0-only (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

FreeCAD FEM

FreeCAD is a free, open-source parametric 3D CAD modeler whose FEM workbench provides an integrated finite-element simulation workflow, using CalculiX, Elmer, or Z88 solvers for structural and thermal analysis.

License: LGPL-2.1-or-later (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

GMSH

GMSH is an open-source 3D finite element mesh generator with a built-in CAD engine and post- processing facilities.

License: GPL-2.0-only (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

MSC Nastran

MSC Nastran (NASA Structural Analysis System) is one of the oldest and most trusted FEA solvers in the industry, originally developed by NASA in the 1960s.

License: Proprietary (proprietary) · Kind: web · Deploy: saas, docker · SSO: none

Website

OpenFOAM

OpenFOAM is the industry-standard open-source CFD toolkit, a C++ library of solvers for incompressible, compressible, multiphase, and reacting flows, driven by text config files with strong MPI scaling.

License: GPL-3.0-only (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

ParaView

ParaView is a leading open-source scientific visualization and data analysis application built on VTK, supporting large datasets via MPI-parallel client-server rendering and Python scripting.

License: BSD-3-Clause (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

Salome-Meca

Salome-Meca is an open-source structural simulation environment bundling the Salome pre/post-processing platform with the Code_Aster FEA solver, covering geometry, meshing, solving, and visualization.

License: GPL-3.0-only (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source

SimScale

SimScale is a cloud-based simulation platform that provides FEA, CFD, and thermal analysis through a web browser. It eliminates the need for local HPC infrastructure by running simulations on cloud compute resources managed by SimScale.

License: Proprietary (proprietary) · Kind: web · Deploy: saas · SSO: OIDC, SAML

Website

SU2

SU2 is an open-source CFD suite developed at Stanford University, originally designed for aerodynamic shape optimization.

License: LGPL-2.1-or-later (OSS) · Kind: web · Deploy: docker, package · SSO: none

Website · Source