Use readme as module doc
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"""
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"""
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Electromagnetic simulation tools
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Electromagnetic simulation tools
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This package is intended for building simulation inputs, analyzing
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See the readme or `import meanas; help(meanas)` for more info.
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simulation outputs, and running short simulations on unspecialized hardware.
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It is designed to provide tooling and a baseline for other, high-performance
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purpose- and hardware-specific solvers.
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**Contents**
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- Finite difference frequency domain (FDFD)
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* Library of sparse matrices for representing the electromagnetic wave
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equation in 3D, as well as auxiliary matrices for conversion between fields
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* Waveguide mode operators
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* Waveguide mode eigensolver
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* Stretched-coordinate PML boundaries (SCPML)
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* Functional versions of most operators
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* Anisotropic media (limited to diagonal elements eps_xx, eps_yy, eps_zz, mu_xx, ...)
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* Arbitrary distributions of perfect electric and magnetic conductors (PEC / PMC)
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- Finite difference time domain (FDTD)
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* Basic Maxwell time-steps
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* Poynting vector and energy calculation
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* Convolutional PMLs
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This package does *not* provide a fast matrix solver, though by default
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```meanas.fdfd.solvers.generic(...)``` will call
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```scipy.sparse.linalg.qmr(...)``` to perform a solve.
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For 2D FDFD problems this should be fine; likewise, the waveguide mode
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solver uses scipy's eigenvalue solver, with reasonable results.
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For solving large (or 3D) FDFD problems, I recommend a GPU-based iterative
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solver, such as [opencl_fdfd](https://mpxd.net/code/jan/opencl_fdfd) or
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those included in [MAGMA](http://icl.cs.utk.edu/magma/index.html)). Your
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solver will need the ability to solve complex symmetric (non-Hermitian)
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linear systems, ideally with double precision.
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Dependencies:
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- numpy
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- scipy
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"""
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"""
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import pathlib
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import pathlib
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@ -50,3 +13,7 @@ __author__ = 'Jan Petykiewicz'
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with open(pathlib.Path(__file__).parent / 'VERSION', 'r') as f:
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with open(pathlib.Path(__file__).parent / 'VERSION', 'r') as f:
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__version__ = f.read().strip()
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__version__ = f.read().strip()
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with open(pathlib.Path(__file__).parent.parent / 'README.md', 'r') as f:
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__doc__ = f.read()
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