**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**

**–**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.*Z88Aurora*(pre-&post processing)

**–**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.*Z88 14.0*(post-processing only)**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**

**Structural Analysis**

**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**

**–**: 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**BDSPOST BDS Post-Processing Program**

**–**: BRGABUT may be used to perform analysis of cantilevered concrete seat type bridge abutments.**BRGABUT Bridge Abutment Design**

**–**: Program CONSEC may be used to perform concrete section analysis of reinforced concrete members with or without embedded steel shapes.**CONSEC Concrete Section Analysis**

**–**: Convert may be used to convert parameters between English and Metric units.*CONVERT Metric Conversion Utility*

**–**: Elev may be used to calculate elevations from vertical curve and superelevation information.*ELEV Elevation Calculation*

**–**: Psbeam may be used to design or review prestressed concrete beams with either pretensioning or post-tensioning reinforcement*PSBEAM Prestressed 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.*REBEAM Reinforced Concrete Beam*

**–**: Retain may be used to design or review cantilevered concrete retaining walls and bridge abutments with either spread footing or pile foundations**RETAIN Retaining Wall Design****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

**Earthquake**

**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.

**Geotechnic**

**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.

**Water Resource**

**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

**Mathematic**

**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.

**Aerodinamik**

**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.

**Commercial Software**

**Geotechnic**

**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

**Water Resources**

**PipeSolver (Website) – Windows**

PipeSolver is a software tool for computing the fluid flow in a pipe network, using the Hardy-Cross method.

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