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The repository contains phase field codes using index array programming technique. The codes are 2D and are not optimized.

License: MIT License

Fortran 100.00%

programming-phase-field-in-fortran's Introduction

Programming-Phase-field-in-Fortran

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.

Significance

Sequential code.
Self-explanatory comments for each section.
Stand-alone codes.
Code description in README files.
Examples: FeCr alloy for model B; grain evolution for model A.
Some of the best programming practices .
- if statement rather than if then construct
Demonstration of concurrent programming technique .
- Model B example
File savings with newunit instrinsic function.
- Model A example
Screen shots for each output code.
Data availability for each code.
Compiler comparison for further studies.
- Model B README
Instructions for different operating systems.
Optimization options.
Integrated dislin graphical software in each code:
- Single statement quick plots.
- Routines for continuous animation.
- Multiplot techniques.
gnuplot script for output files:
- Customized color plots.
- commands for continuous animation.
- Multiplot approach.

Computational Tools

The simulations were performed on the system with the following details:

OS	Compilers and versions	Integrated graphics library	Output graphics library
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 )