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# `Akantu`: Swiss-Made Open-Source Finite-Element Library
`Akantu` means a little element in Kinyarwanda, a Bantu language. From now on it
is also an open- source object-oriented library which has the ambi- tion to be
generic and efficient.
# Building `Akantu`
## Dependencies
In order to compile `Akantu` any compiler supporting fully C++14 should work.
In addition some libraries are required:
- CMake (>= 3.5.1)
- Boost (preprocessor and Spirit)
- zlib
- blas/lapack
For the python interface:
- Python (>=3 is recommended)
- pybind11 (if not present the build system will try to download it)
To run parallel simulations:
- MPI
- Scotch
To use the static or implicit dynamic solvers at least one of the following libraries is needed:
- MUMPS (since this is usually compiled in static you also need MUMPS dependencies)
- PETSc
To compile the tests and examples:
- Gmsh
- google-test (if not present the build system will try to download it)
### On `.deb` based systems
``` sh
> sudo apt install cmake libboost-dev zlib1g-dev liblapack-dev libblas-dev gmsh
# For parallel
> sudo apt install mpi-default-dev libmumps-dev
# For sequential
> sudo apt install libmumps-seq-dev
```
## Configuring and compilation
`Akantu` is a [CMake](https://cmake.org/) project, so to configure it, you can follow the usual way:
``` sh
> cd akantu
> mkdir build
> cd build
> ccmake ..
[ Set the options that you need ]
> make
> make install
```
## Using the python interface
You can install ``Akantu`` using pip, this will install a pre-compiled version:
``` sh
> pip install akantu
```
You can then import the package in a python script as:
``` python
import akantu
```
The python API is similar to the C++ one. If you
encounter any problem with the python interface, you are welcome to do a merge
request or post an issue on [GitLab](https://gitlab.com/akantu/akantu/-/issues).
# Tutorials with the python interface
To help getting started, multiple tutorials using the python interface are
available as notebooks with pre-installed version of `Akantu` on Binder. The
following tutorials are currently available:
[Plate whith a hole loaded](https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.com%2Fakantu%2Ftutorials.git/HEAD?filepath=plate-hole/plate-hole.ipynb)
[Loaded cohesive crack](https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.com%2Fakantu%2Ftutorials.git/HEAD?filepath=cohesive-fracture/cohesive-fracture.ipynb)
[Making your constitutive law in python](https://mybinder.org/v2/git/https%3A%2F%2Fgitlab.com%2Fakantu%2Ftutorials.git/HEAD?filepath=constitutive-laws/python_constitutive_law.ipynb)
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