Free/Open Source Software
Finite Element Analysis
- ElmerFEM (Website, Sourceforge) – Windows
Elmer is an open source multiphysical simulation software mainly developed by CSC – IT Center for Science (CSC).
- CALCULIX (Website) – Windows, Linux, Irix
A Free Software Three-Dimensional Structural Finite Element Program
- Lisa FEA (Website) – Windows
LISA is a user-friendly finite element analysis package for Windows with an integrated modeler, multi-threaded solver and graphical post-processor. Free to use up to 1300 node limit.
- Mecway FEA (Website) – Windows
Mecway is a comprehensive user friendly finite element analysis package for Windows with a focus on mechanical and thermal simulation such as stress analysis, vibration and heat flow. This software is done based on Lisa FEA with much more feature. It’s free to use up to 1000 node limit.
- Z88 (Website) – Windows, Linux, Mac
– Z88Aurora (pre-&post processing) is a free finite element software package for static calculation in mechanical engineering. Beside linear static analysis you can use it for large displacement analysis, stady state thermal analysis and natural frequency analysis.
– Z88 14.0 (post-processing only) is a fast, powerful and compact Finite Elements Analysis program especially designed for PCs running Windows Vista/7, LINUX, Mac OS X and large computers with UNIX.
- OpenSEES (Website) – Windows, Linux (using Wine)
OpenSees, a software framework for developing applications to simulate the performance of structural and geotechnical systems subjected to earthquakes
- FELyX (Website, Sourceforge) – Source only and last update in 2006
FELYX is an object oriented FE/FEM code written in C++. It provides the most common elements for structural analysis, bandwidth reduction, a fast skyline solver, some iterative solvers and an interface to the commercial FEA package ANSYS.
- Felt (Website) – Windows, Linux
The current version of FElt knows how to solve linear static and dynamic structural and thermal analysis problems; it can also do modal and spectral analysis for dynamic problems. FElt’s element library currently contains fourteen elements.
- UNA – Finite Element Analysis Program (Website) – Windows
UNA is a finite element program for static and dynamic structural analysis. This software has the solver only without pre/post processing.
- SLFFEA (Website, Sourceforge) – Windows, Linux
SLFFEA stands for San Le’s Free Finite Element Analysis. It is a package of scientific software and graphical user interfaces for use in finite element analysis.
- VisualFEA (Website) – Windows, Mac
VisualFEA is an innovative program for finite element analysis, which is an advanced technique to solve and analyze physical problems arising in many fields of science and engineering
- Range (Website) – Windows
Finite element analysis for structural and heat transfer. Also can be used for CFD. This demo software is limited to 1000 nodes for a month.
- Analysis for Windows (Website) – Windows
Very powerful Finite Element Analysis package for 2D and 3D constructions (frames and trusses)
- Frame3DD (Website) – Windows, Linux, Mac
Frame3DD is free open-source software for static and dynamic structural analysis of 2D and 3D frames and trusses with elastic and geometric stiffness. It computes the static deflections, reactions, internal element forces, natural frequencies, mode shapes and modal participation factors of two- and three- dimensional elastic structures using direct stiffness and mass assembly.
- Atena (Website) – Windows
Software for non-linear analysis of reinforced concrete and concrete structures. Demo-mode program is limiting node.
- FEAP (Website) – Windows, Linux, Mac
FEAP is a general purpose finite element analysis program which is designed for research and educational use
- M3d (Website) – Windows
M3d Free Finite Element Software
- Felipe (Website) – Windows
FELIPE is a self-standing finite element software package, running under Windows, developed to support students of mathematics or engineering in understanding, appreciating and using the finite element method. Because it contains a powerful pre-processor and post-processor, as well as source code for the “main engines”, it also enables more experienced finite element practitioners to develop f.e. analyses of their individual problems, for research or commercial purposes.
- Mechanical programs (Website) – Windows
- Atlas (Website, Review & Download) – Windows
Atlas computes the resulting moments and reaction forces for a given beam with loads applied to it (single as well as distributed), using Cross’ method.
- IDARC 2D (Website) – Windows
A Computer Program for Seismic Inelastic Structural Analysis
- IDARC-Bridge (Website) – Solaris
A Program for Three-Dimensional Nonlinear Inelastic Analysis of Bridges
- Structures Software Site (Website) – Windows
– BDSPOST BDS Post-Processing Program: The Shear Modification of Skewed Girders routine magnifies the shear for skewed concrete box girders using the method outlined in Caltrans Bridge Design Aids 5-31
– BRGABUT Bridge Abutment Design: BRGABUT may be used to perform analysis of cantilevered concrete seat type bridge abutments.
– CONSEC Concrete Section Analysis: Program CONSEC may be used to perform concrete section analysis of reinforced concrete members with or without embedded steel shapes.
– CONVERT Metric Conversion Utility: Convert may be used to convert parameters between English and Metric units.
– ELEV Elevation Calculation: Elev may be used to calculate elevations from vertical curve and superelevation information.
– PSBEAM Prestressed Concrete Beam: Psbeam may be used to design or review prestressed concrete beams with either pretensioning or post-tensioning reinforcement
– REBEAM Reinforced Concrete Beam: Rebeam may be used to design or review a reinforced concrete beam section for shear and/or flexure in accordance with any American or Canadian concrete code. Design criteria include ACI-318, AASHTO, AREMA, AASHTO LRFD, CSA A23.3 or CAN/CSA-S6.
– RETAIN Retaining Wall Design: Retain may be used to design or review cantilevered concrete retaining walls and bridge abutments with either spread footing or pile foundations
- SAP2000 Students Version (4Shared) – Windows
SAP 2000 7.4 Student Version is an educational version of SAP, fully functional, but with a node limit. State-of-the-art 3D Finite Element Technology for Structural Engineers. SAP2000 represents the state-of-the-art in three dimensional finite element technology for structural engineering.
- Response-2000 (Website) – Windows
Response-2000 is an easy to use sectional analysis program that will calculate the strength and ductility of a reinforced concrete cross-section subjected to shear, moment, and axial load.
- Triax-2000 (Website) – Windows
Triax-2000 is an easy to use analysis program that will calculate the load-deformation relationship for a uniform block of reinforced concrete in three dimensions
- Membrane-2000 (Website) – Windows
Membrane-2000 is an easy to use analysis program that will calculate the load-deformation relationship for a uniform panel of reinforced concrete subjected to in-plane shear loading.
- Shell-2000 (Website) – Windows
Shell-2000 is an easy to use analysis program that will calculate the load-deformation relationship for a general plate or shell subjected to any combination of the 8 loads that are possible for such an element.
- Kurvatur Momen (Website) – Windows
Simple software to analysis the curvature-moment of beam section. I made this software when working in Laboratory of Structural Engineering.
- CalSAP (Website) – Windows
Computer Assisted Learning of Structural Analysis Procedures
- Java-Powered Simulation for Earthquake Engineering (Website) – All Modern Browser
This Virtual Laboratory (VL) illustrates three important concepts in Earthquake Engineering; response spectrum analysis of high-rise buildings, design spectrum, and force reduction factor.
- GEOTEC Office (Main Website, Mirror) – Windows
GEOTEC Office is a package for geotechnical and design engineering. The package contains the following programs and tools:
– ELPLA: Analyzing footings, rafts, piled rafts, pile groups and foundation groups
– BOHR: Drawing borehole logging of soil layers by different symbols according to the German specification code DIN 4023
– TIEF: Analyzing single piles, pile walls, simple problems of pile groups and rigid piled rafts
– Geo Tools: Analyzing different problems in geotechnical engineering
– Self-Adaptive Mesh Wizard: Generating finite element mesh with better element / node distributions
– GEOTEC-Text: A simple word processing program for editing GEOTEC Office output.
- FishXing (Website) – Windows
This software is intended to assist engineers, hydrologists, and fish biologists in the evaluation and design of culverts for fish passage
- The Hydrologic Engineering Center (Website) – Windows
– HEC-RAS: HEC-RAS allows you to perform one-dimensional steady flow, unsteady flow, sediment transport/mobile bed computations, and water temperature modeling
- WinXSPRO (Website) – Windows
WinXSPRO is a software package designed to analyze stream channel cross section data for geometric, hydraulic, and sediment transport parameters. WinXSPRO was specifically developed for use in high-gradient streams (gradient > 0.01) and supports four alternative resistance equations for computing boundary roughness and resistance to flow.
- Storm Water Management Model, SWMM (Website) – Windows
EPA’s Storm Water Management Model (SWMM) is used throughout the world for planning, analysis and design related to stormwater runoff, combined and sanitary sewers, and other drainage systems in urban areas. SWMM is a dynamic hydrology-hydraulic water quality simulation model.
- EPANET (Website, EPA) – Windows
EPANET is a public domain hydraulic analysis package for water supply networks
- Scilab (Website) – Windows, Linux
Scilab is a free, open source software for numerical computation in engineering and scientific applications (an alternative to Matlab)
- FreeFem++ (Website) – Windows, Linux, Mac
FreeFem++ is a partial differential equation solver. It has its own language. freefem scripts can solve multiphysics non linear systems in 2D and 3D.
- GNU Octave (Website, Sourceforge) – Windows, Linux
GNU Octave is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation.
- Axiom (Website) – Linux, Windows
Axiom is a general purpose Computer Algebra system. It is useful for research and development of mathematical algorithms. It defines a strongly typed, mathematically correct type hierarchy. It has a programming language and a built-in compiler.
- Sagemath (Website) – Windows, Linux, Mac
Sage is a free open-source mathematics software system licensed under the GPL. It builds on top of many existing open-source packages: NumPy, SciPy, matplotlib, Sympy, Maxima, GAP, FLINT, R and many more.
- Qblade (Website, Sourceforge) – Windows, Linux
Qblade is an open source wind turbine calculation software, distributed under the GPL. The software is seamlessly integrated into XFOIL, an airfoil design and analysis tool. The motivation for this was to create a one solution software for the design and aerodynamical computation of wind turbine blades
- XFOIL (Website) – Windows, Unix
XFOIL is an interactive program for the design and analysis of subsonic isolated airfoils.
Programming & Plot
- Matplotlib (Website) – Windows, Linux
matplotlib is a python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive environments across platforms.
- GNU Plot (Website) – Windows, Linux, Mac, VMS
Gnuplot is a portable command-line driven graphing utility for Linux, OS/2, MS Windows, OSX, VMS, and many other platforms. It was originally created to allow scientists and students to visualize mathematical functions and data interactively, but has grown to support many non-interactive uses such as web scripting.
- Getfem++ (Website)
GetFEM++ is basically a generic C++ finite element library which aims to offer the widest range of finite element methods and elementary matrix computations for the approximation of linear or non-linear problems, possibly in hybrid form and possibly coupled.
- libMesh (Website, Sourceforge)
The libMesh library provides a framework for the numerical simulation of partial differential equations using arbitrary unstructured discretizations on serial and parallel platforms
- Feel++ (Website)
Feel++ is a C++ library for partial differential equation solves using generalized Galerkin methods such as the finite element method, the h/p finite element method, the spectral element method or the reduced basis method.
- MOOSE Framework (Website) – Linux
The Multiphysics Object-Oriented Simulation Environment (MOOSE) is a finite-element, multiphysics framework primarily developed by Idaho National Laboratory. It provides a high-level interface to some of the most sophisticated nonlinear solver technology on the planet.
- CivilTechSoftware (Website) – Windows
– AllPile: Pile vertical, lateral, group, settlement, and negative friction analysis
– Liquefy Pro: Earthquake-induced liquefaction and settlement analysis
– SHORING Suite: Shoring wall design and analysis
– EarthPres: Earth pressure analysis (active and passive pressure)
– Surcharge: Lateral pressure due to surcharge load
– SuperLog: Boring, test pit, and well drawing/reporting
– Spectra: Graphical presentation for seismic spectra
– Heave: Stability analysis for vertical cut
- PipeSolver (Website) – Windows
PipeSolver is a software tool for computing the fluid flow in a pipe network, using the Hardy-Cross method.