The repository shows the use of Fortran programming language for the phase-field methods — model A, model B, and model C. The codes are 2D. Model A ( Allen-Cahn equation ), and Model B ( Cahn-Hilliard ) examples are given; solidification of a single component alloy is also provided.
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Sequential code.
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Self-explanatory comments for each section.
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Stand-alone codes.
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Code description in README files.
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Examples: FeCr alloy for model B; grain evolution for model A.
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Some of the best programming practices .
- if statement rather than if then construct
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Demonstration of concurrent programming technique .
- Model B example
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File savings with newunit instrinsic function.
- Model A example
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Screen shots for each output code.
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Data availability for each code.
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Compiler comparison for further studies.
- Model B README
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Instructions for different operating systems.
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Optimization options.
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Integrated dislin graphical software in each code:
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Single statement quick plots.
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Routines for continuous animation.
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Multiplot techniques.
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gnuplot script for output files:
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Customized color plots.
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commands for continuous animation.
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Multiplot approach.
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The simulations were performed on the system with the following details:
| OS | Compilers and versions | Integrated graphics library | Output graphics library |
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| Linux (ubuntu 20.04) | gfortran (12.1.0) | Dislin ( 11.5 ) | gnuplot ( 5.4 ) |
| Windows (10, 64 bit) | gfortran (12.1.0), intel (2021.6.0) | Dislin ( 11.5 ) | gnuplot ( 5.4 ) |
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Procedural programming
- internal procedures
- external procedures
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Modular programming
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Object-oriented programming
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Parallel programming with
- Co-arrays
- OpenMP
- MPI
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GPU programming with
- CUDA Fortran
- OpenACC