Finite element and virtual element library with support for polytopic elements.
This is still a work in progress, and there is no guarantee.
Instructions for installation and basic usage can be found in the documentation or on the git repository
Source
- Git Repository:
- https://bitbucket.org/congreves/ptems/src/master/
Documentation
The documentation is currently just a basic Doxygen export with minimal usage details, and may not be accurate or up-to-date
- Latest Development:
- Latest
License
The PTEMS project is licensed under the BSD 3-Clause license.
The libraries used by PTEMS may use other licenses. Notably, two libraries are included with the PTEMS source Triangle and TetGen, which contain licenses which are ONLY valid for private, research, or educational use; i.e., NOT FOR COMMERCIAL USE (unless permission is obtained from the respective copyright owners).
PTEMS
Copyright 2023 Scott Congreve <congreve@karlin.mff.cuni.cz>
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
- Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Triangle
A Two-Dimensional Quality Mesh Generator and Delaunay Triangulator. Version 1.6
Copyright 1993, 1995, 1997, 1998, 2002, 2005 Jonathan Richard Shewchuk
2360 Woolsey \#H
Berkeley, California 94705-1927
Please send bugs and comments to jrs@cs.berkeley.edu
These programs may be freely redistributed under the condition that the copyright notices (including the copy of this notice in the code comments and the copyright notice printed when the `-h' switch is selected) are not removed, and no compensation is received. Private, research, and institutional use is free. You may distribute modified versions of this code UNDER THE CONDITION THAT THIS CODE AND ANY MODIFICATIONS MADE TO IT IN THE SAME FILE REMAIN UNDER COPYRIGHT OF THE ORIGINAL AUTHOR, BOTH SOURCE AND OBJECT CODE ARE MADE FREELY AVAILABLE WITHOUT CHARGE, AND CLEAR NOTICE IS GIVEN OF THE MODIFICATIONS. Distribution of this code as part of a commercial system is permissible ONLY BY DIRECT ARRANGEMENT WITH THE AUTHOR. (If you are not directly supplying this code to a customer, and you are instead telling them how they can obtain it for free, then you are not required to make any arrangement with me.)
TetGen
The software (TetGen) is licensed under the terms of the MIT license with the following exceptions:
Distribution of modified versions of this code is permissible UNDER THE CONDITION THAT THIS CODE AND ANY MODIFICATIONS MADE TO IT IN THE SAME SOURCE FILES tetgen.h AND tetgen.cxx REMAIN UNDER COPYRIGHT OF THE ORIGINAL AUTHOR, BOTH SOURCE AND OBJECT CODE ARE MADE FREELY AVAILABLE WITHOUT CHARGE, AND CLEAR NOTICE IS GIVEN OF THE MODIFICATIONS.
Distribution of this code for any commercial purpose is permissible ONLY BY DIRECT ARRANGEMENT WITH THE COPYRIGHT OWNER.
The full license text is reproduced below.
This means that TetGen is no free software, but for private, research, and educational purposes it can be used at absolutely no cost and without further arrangements.
For details, see http://tetgen.berlios.de
TetGen
A Quality Tetrahedral Mesh Generator and 3D Delaunay Triangulator
Version 1.4 (Released on January 14, 2006).
Copyright 2002, 2004, 2005, 2006
Hang Si
Rathausstr. 9, 10178 Berlin, Germany
si@wias-berlin.de
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
Distribution of modified versions of this code is permissible UNDER THE CONDITION THAT THIS CODE AND ANY MODIFICATIONS MADE TO IT IN THE SAME SOURCE FILES tetgen.h AND tetgen.cxx REMAIN UNDER COPYRIGHT OF THE ORIGINAL AUTHOR, BOTH SOURCE AND OBJECT CODE ARE MADE FREELY AVAILABLE WITHOUT CHARGE, AND CLEAR NOTICE IS GIVEN OF THE MODIFICATIONS.
Distribution of this code for any commercial purpose is permissible ONLY BY DIRECT ARRANGEMENT WITH THE COPYRIGHT OWNER.
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Authors
- Scott Congreve (congreve@karlin.mff.cuni.cz)