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{{Use dmy dates|date=JulyMay 20132024}}
{{Infobox Softwaresoftware
| logo = Stanford University Unstructured Logo.png
| name = SU2 code
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}}
 
'''SU2''' is a suite of [[Open-source software|open-source]] software tools written in C++ for the numerical solution of [[partial differential equation]]s (PDE) and performing [[PDE-constrained optimization]]. The primary applications are [[computational fluid dynamics]] and aerodynamic [[shape optimization]],<ref>[http://su2.stanford.edu/documents/SU2_AIAA_ASM2013.pdf F. Palacios, M. R. Colonno, A. C. Aranake, A. Campos, S. R. Copeland, T. D. Economon, A. K. Lonkar, T. W. Lukaczyk, T. W. R. Taylor, and J. J. Alonso, "Stanford University Unstructured (SU2): An open-source integrated computational environment for multi-physics simulation and design", AIAA Paper 2013-0287, 51st AIAA Aerospace Sciences Meeting and Exhibit. January 7th -– 10th, 2013. Grapevine, Texas, USA.]</ref> but has been extended to treat more general equations such as [[electrodynamics]] and chemically reacting flows. SU2 supports continuous and discrete adjoint for calculating the sensitivities/gradients of a scalar field.
 
==Developers==
{{unreferenced| section|date=July 2020}}
SU2 is being developed by individuals and organized teams around the world. The SU2 Lead Developers are: Dr. Francisco Palacios and Dr. Thomas D. Economon.
 
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*High-fidelity analysis and adjoint-based design using unstructured mesh technology.
*Compressible and incompressible [[Euler Equations (fluid dynamics)|Euler]], [[Navier-Stokes]], and [[Reynolds-averaged Navier–Stokes equations|RANS]] solvers.
*Additional PDE solvers for electrodynamics, linear elasticity, heat equation, wave equation and thermochemical non-equilibrium.
*Convergence acceleration (multi-grid, preconditioning, etc.).
*Sensitivity information via the continuous adjoint methodology<ref>[http://adl.stanford.edu/papers/AIAA_Journal_March2012.pdf A. Bueno-Orovio, C. Castro, F. Palacios, and E. Zuazua "Continuous Adjoint Approach for the Spalart-Allmaras Model in Aerodynamic Optimization", AIAA Journal Vol. 50, No. 3, March 2012.]</ref> approach.
*Adaptive, goal-oriented mesh refinement and deformation.
*Modularized <ref>[http://adl.stanford.edu/docs/display/SUSQUARED/SU2+Tools SU2 tools list]</ref> [[C++]] object-oriented design.
*Parallelization with [[Message Passing Interface|MPI]].
*[[Python (programming language)|Python]] scripts for automation.
*[[FEATool Multiphysics]] features [https://www.featool.com/news/2020/03/04/featool-multiphysics-v1p12-with-su2-cfd-solver-integration built-in GUI and CLI interfaces for SU2].
 
 
==Release history==
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! Branch
! Version
! Releasedate<ref name="Github_repository_SU2">{{cite web|title=SU2-Suit releases|url=https://github.com/su2code/SU2/releases|website=Github.com|accessdate=25 May 2016|language=english}}</ref>
! Improvements
|-
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| rowspan="2" | 1.0
| {{Version|o|1.0}}
| {{dts|format=dmy|2013|066|28}}
|-
| {{Version|o|1.1}}
| {{dts|format=dmy|2013|066|28}}
|-
|-
| rowspan="10" | 2.0
| {{Version|o|2.0}}
| {{dts|format=dmy|2013|066|28}}
|-
| {{Version|o|2.0.1}}
| {{dts|format=dmy|2013|066|28}}
|-
|-
| {{Version|o|2.0.2}}
| {{dts|format=dmy|2013|066|28}}
|-
|-
| {{Version|o|2.0.3}}
| {{dts|format=dmy|2013|066|28}}
|-
|-
| {{Version|o|2.0.4}}
| {{dts|format=dmy|2013|066|28}}
|-
|-
| {{Version|o|2.0.5}}
| {{dts|format=dmy|2013|066|28}}
|-
|-
| {{Version|o|2.0.6}}
| {{dts|format=dmy|2013|088|12}}
|-
|-
| {{Version|o|2.0.7}}
| {{dts|format=dmy|2013|099|11}}
|-
|-
| {{Version|o|2.0.8}}
| {{dts|format=dmy|2013|099|30}}
|-
|-
| {{Version|o|2.0.10}}
| {{dts|format=dmy|2013|099|11}}
|-
| 3.0 "eagle"
| {{Version|o|3.0.0}}
| {{dts|format=dmy|2014|011|15}}
|
* Major release, along with SU2_EDU
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| 3.1 "eagle"
| {{Version|o|3.1.0}}
| {{dts|format=dmy|2014|088|14}}
|-
| rowspan="9" | 3.2 "eagle"
| {{Version|o|3.2.0}}
| {{dts|format=dmy|2014|088|14}}
|
* Renamed C++ modules for clarity:
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|-
| {{Version|o|3.2.1}}
| {{dts|format=dmy|2014|09|088}}
|
* Additional verification test cases for shape design using the compressible adjoint capability (in collaboration with Lockheed Martin).
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|-
| {{Version|o|3.2.2}}
| {{dts|format=dmy|2014|099|28}}
|
* SU2 version 3.2.2 includes general bug fixes and maintenance.
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|-
| {{Version|o|3.2.4}}
| {{dts|format=dmy|2014|11|099}}
|-
| {{Version|o|3.2.5}}
| {{dts|format=dmy|2014|12|044}}
|-
| {{Version|o|3.2.7}}
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|-
| {{Version|o|3.2.8}}
| {{dts|format=dmy|2015|02|033}}
|-
| {{Version|o|3.2.9}}
| {{dts|format=dmy|2015|03|044}}
|-
 
| rowspan="3" | 4.0 "Cardinal"
| {{Version|o|4.0.0}}
| {{dts|format=dmy|2015|066|23}}
|
'''New Features:'''
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* Force breakdown file and FieldView output.
* Scale, rotate, translate meshes in SU2_DEF.
* Iterative smoothers: Jacobi, LU-SGS, ILU (0).
* Updated non-dimensionalization options for ease of use.
* General bug fixes.
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|-
| {{Version|o|4.0.1}}
| {{dts|format=dmy|2015|09|011}}
|
* Improved performance for scaling, rotating, translating meshes using SU2_DEF.
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|-
| {{Version|o|4.0.2}}
| {{dts|format=dmy|2015|11|033}}
|-
| rowspan="4" | 4.1 "Cardinal"
| {{Version|o|4.1.0}}
| {{dts|format=dmy|2016|044|22}}
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* Algorithmic Differentiation for exact derivative computations throughout the code.
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|-
| {{Version|o|4.1.1}}
| {{dts|format=dmy|2016|04|055}}
|-
| {{Version|o|4.1.2}}
| {{dts|format=dmy|2016|044|22}}
|-
| {{Version|o|4.1.3}}
| {{dts|format=dmy|2016|055|24}}
|-
| rowspan="1" | 4.2 "Cardinal"
| {{Version|o|4.2.0}}
| {{dts|format=dmy|2016|066|15}}
|
* Native Fluid-Structure Interaction (FSI) solver.
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| rowspan="1" | 4.3 "Cardinal"
| {{Version|o|4.3.0}}
| {{dts|format=dmy|2016|088|22}}
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* Redesign of the high-level Driver classes for code clarity and future flexibility.
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| rowspan="1" | 5.0 "Raven"
| {{Version|o|5.0.0}}
| {{dts|format=dmy|2017|011|20}}
|
 
* New in-memory Python wrapping of SU2 using SWIG with accompanying high-level API.
* Class enhancements for multiphysics applications, including interpolation and transfer.
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| rowspan="1" | 6.0 "Falcon"
| {{Version|o|6.0.0}}
| {{dts|format=dmy|2018|022|14}}
|
|-
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| rowspan="1" | 7.1 "Blackbird"
| {{Version|o|7.1.0}}
| {{dts|format=dmy|2021|011|21}}
|
SU2 v7.1.0 aims to consolidate the new features added in versions 7.0.X.
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🚀 Features
* NEMO -– Link with mutation++ @CatarinaGarbacz (#1160); Addition of Source Terms for Axisymmetric Flows @jtneedels (#1162); Transition to primitive limiter @WallyMaier (#1139)
* Reduce discrete adjoint memory usage ~25% @pcarruscag (#1159)
* Support for UQ and NICF with vectorized (SIMD) centered schemes @pcarruscag (#1149)
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💊 Bug Fixes
* Fix objective functions (for shape_optimization.py) @pcarruscag (#1167)
* NEMO -– Restructure source residual computation to fix axisymmetric chemsitry/vib source computation @jtneedels (#1170)
* Fix MSW @pcarruscag (#1166), update adaptive CFL @bmunguia (#1036), fix compilation with gcc 4.8 @pcarruscag (#1157)
* Deprecate options that did not work since v7.0.0, and other minor cleanups @TobiKattmann (#1129)
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* Remove mapping of global<->local marker IDs @maxaehle (#1169)
* Fix Xcode project and paths @EduardoMolina (#1145)
* NEMO -– Further cleanup and improvements @WallyMaier (#1117)
* Added CSquareMatrixCM to the toolboxes @vdweide (#1068)
|-
| rowspan="1" | 7.2 "Blackbird"
| {{Version|c|7.2.0}}
| {{dts|format=dmy|2021|088|17}}
| SU2 version 7.2.0 introduces exciting new features and improvements (it differs from 7.1.1 by almost 1000 commits!) We made a pause from the monthly maintenance-release cycle to integrate those features as best as possible, they include:
* Unsteady discrete adjoints for multizone problems (e.g. FSI and CHT).
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🚀 Features
* NEMO -– Improvements on the Preprocessing phase and inclusion of Chapmann-Enskog for Mutation++ @fmpmorgado (#1343)
* Hybrid Parallel AD (Part 3/?) @jblueh (#1294)
* Heat Transfer boundary condition @oleburghardt (#1226)
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* Fix sliding mesh for SA @maxaehle (#1344)
* Fix "per-surface" outputs @pcarruscag (#1341)
* SU2-NEMO -– Optimize initialization time @fmpmorgado (#1340)
* Fix for axisymmetric terms in NEMO + general NEMO updates @WallyMaier (#1326)
* Fix download link for binaries @Nat-1 (#1320)
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* [[ANSYS]] CFX
* [[ANSYS]] Fluent
* Azore <ref>[http://www.azoreCFD.com/ Azore Software, LLC Home Page]</ref>
* <span class="plainlinks">[http://www.featool.com FEATool Multiphysics]</span><ref>[http://www.featool.com FEATool Multiphysics homepage]</ref>
* [[Pumplinx]]
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* [[FOAMpro]]
* [[SimScale]]<ref>[https://www.simscale.com/open-source/ SimScale company website, Open Source]</ref>
* Cradle <ref>[http://www.cradle-cfd.com/ Software Cradle Co., Ltd. Home Page]</ref> SC/Tetra <ref>[http://www.cradle-cfd.com/products/sctetra/index.html SC/Tetra Page]</ref>
* Cradle scSTREAM <ref>[http://www.cradle-cfd.com/products/stream/index.html/ scSTREAM Page] {{webarchive|url=https://web.archive.org/web/20150306193633/http://www.cradle-cfd.com/products/stream/index.html |date=6 March 2015 }}</ref>
* Cradle Heat Designer <ref>[http://www.cradle-cfd.com/products/heatdesigner/index.html/ Heat Designer Page]</ref>
 
==References==
{{reflist|colwidth=30em}}
 
==External links==
Retrieved from "https://en.wikipedia.org/wiki/SU2_code"