HEC-SSP — The Complete Guide: Free Flood Frequency Analysis from Gauge Records
HEC-SSP is free US Army Corps software for hydrologic statistics: peak-flow frequency, volume-duration and coincident frequency, for design floods.
Guides and Articles
Strata — The Complete Guide: Free Seismic Site Response Analysis
Strata is free, open-source software for 1D seismic site response: how soil layers amplify earthquake shaking, by the equivalent-linear method.
concreteproperties — The Complete Guide: Free Analysis of Reinforced Concrete Sections of Any Shape
concreteproperties is a free Python library for RC and composite sections of any shape: moment-curvature, interaction diagrams and cracked stresses.
PyCBA — The Complete Guide: Free Continuous-Beam and Bridge Analysis in Python
PyCBA is a free Python library for continuous beams: load patterning to find the governing case, influence lines, envelopes and moving vehicle loads on bridges.
Calcpad — The Complete Guide: Free Engineering Calculation Sheets with Units
Calcpad is free, open-source software for calculation sheets: type formulas with units as plain text and get a formatted report with substitutions and results.
Ferrite.jl — The Complete Guide: Writing Fast Finite-Element Solvers in Julia, Free
Ferrite.jl is a free Julia toolbox for writing fast finite-element solvers, with tutorials in elasticity, plasticity, heat and flow. Who it suits, how to start.
DUNE — The Complete Guide: A Free Modular Framework for Finite Elements, Porous Media and CFD
DUNE is a modular open-source framework for grid-based numerics, with the dune-fem finite-element module for porous-media flow, groundwater and CFD. Guide.
GetFEM — The Complete Guide: Free, Flexible Finite Elements for Contact and Nonlinear Problems
GetFEM is an open-source finite-element library with a weak-form language, strong in contact, cracks and nonlinear problems; use it from Python, Octave, Matlab.
Firedrake — The Complete Guide: Free Automated Finite-Element Solution of Equations in Python
Firedrake from Imperial College solves PDEs with finite elements: you write the formulation in Python and the fast code is generated for you. Who it suits.
MFEM — The Complete Guide: Free High-Order Finite Elements With GPU Support From Livermore
MFEM is a high-order finite-element library from Livermore with GPU and Python support, for electromagnetics, mechanics and topology optimisation. How to start.
deal.II — The Complete Guide: A Free C++ Library for Adaptive Finite Elements
deal.II is a long-standing, well-known C++ library for adaptive finite elements, with over a hundred guided tutorials. Who it suits and when to pick another.
OOFEM — The Complete Guide: Free, Open-Source Nonlinear Analysis of Concrete and Structures
OOFEM is an open-source finite-element solver from Prague with advanced concrete, soil and shell models, plus heat and coupled problems. Who it suits.