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https://github.com/americocunhajr/springpottune
SpringpotTune is a Matlab package designed for fitting variable-order springpot models using the Cross-Entropy method.
https://github.com/americocunhajr/springpottune
cross-entropy-method fractional-calculus mechanics-of-materials nonconvex-optimization rheological-model rheology
Last synced: 12 days ago
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SpringpotTune is a Matlab package designed for fitting variable-order springpot models using the Cross-Entropy method.
- Host: GitHub
- URL: https://github.com/americocunhajr/springpottune
- Owner: americocunhajr
- License: mit
- Created: 2024-11-06T02:30:29.000Z (15 days ago)
- Default Branch: main
- Last Pushed: 2024-11-06T15:07:14.000Z (14 days ago)
- Last Synced: 2024-11-06T15:40:53.017Z (14 days ago)
- Topics: cross-entropy-method, fractional-calculus, mechanics-of-materials, nonconvex-optimization, rheological-model, rheology
- Language: MATLAB
- Homepage: https://americocunhajr.github.io/SpringpotTune
- Size: 2.06 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
## Variable-Order Springpot Model Tuning via Cross-Entropy Method
**SpringpotTune: Variable-Order Springpot Model Tuning via Cross-Entropy Method** is a Matlab package designed to fit variable-order springpot models (fractional rheological elements) using the Cross-Entropy (CE) method for global optimization. With simple adaptations, the SpringpotFit framework can be extended to optimize other variable-order fractional models in rheology and time-dependent systems, offering a versatile and robust approach to parameter identification.
**SpringpotTune** uses as optimization tool the package **CEopt - Cross-Entropy Optimizer**, which can be downloaded at https://ceopt.org.
### Table of Contents
- [Overview](#overview)
- [Features](#features)
- [Usage](#usage)
- [Documentation](#documentation)
- [Reproducibility](#reproducibility)
- [Authors](#authors)
- [Citing FracTune](#citing-fractune)
- [License](#license)
- [Institutional support](#institutional-support)
- [Funding](#funding)
### Overview
**SpringpotTune** was developed to fit variable-order springpot models for rheological systems by addressing nonconvex optimization problems using the Cross-Entropy (CE) method. The underlying results are reported in the following publication:
- *J. G. Telles Ribeiro and A. Cunha Jr, Advanced creep modeling of polypropylene: A variable-order fractional calculus approach, 2024 (under review)*
Preprint available here.
### Features
- Implements the Cross-Entropy method for fitting variable-order springpot models
- Transparent "gray-box" optimizer offering intuitive control over key parameters
- Robust and scalable for moderately complex fitting problems in rheological systems
- Demonstrated versatility and effectiveness through case studies of variable-order fractional models
### Usage
To get started with **SpringpotTune**, follow these steps:
1. Clone the repository:
```bash
git clone https://github.com/americocunhajr/SpringpotTune.git
```
2. Navigate to the code directory:
```bash
cd SpringpotTune/SpringpotTune-1.0
```
3. To calibrate the Springpot model, execute the main file corresponding to your case:
```bash
Main_ModelCalibration_VOSpringpot
```
This package includes the following files:
* CEopt.m -- Cross-entropy solver
* Main_ModelCalibration_VOSpringpot.m -- Model calibration for the variable-order springpot
* PlotSemilogx2.m -- Auxiliary function to plot two temporal curves from given datasets in semilogx scale
### Documentation
The routines in **SpringpotTune** are well-commented to explain their functionality. Each routine includes a description of its purpose, inputs, and outputs.
### Reproducibility
Simulations done with **SpringpotFit** are fully reproducible, as can be seen on this CodeOcean capsule.
### Authors
- José Geraldo Telles Ribeiro
- Americo Cunha Jr
### Citing SpringpotTune
We ask the code users to cite the following manuscript in any publications reporting work done with our code:
- *J. G. Telles Ribeiro and A. Cunha Jr, Advanced creep modeling of polypropylene: A variable-order fractional calculus approach, 2024 (under review)*
```
@article{TellesRibeiro2024SpringpotTune,
author = {J. G. {Telles Ribeiro} and A. {Cunha~Jr}},
title = "{Advanced creep modeling of polypropylene: A variable-order fractional calculus approach}",
journal = {Under Review},
year = {2024},
volume = {~},
pages = {~},
doi = {~},
}
```
### License
**SpringpotTune** is released under the MIT license. See the LICENSE file for details. All new contributions must be made under the MIT license.
### Institutional support
### Funding
