JimmyLolu/acoustic-absorption-predictor: Acoustic Absorption Predictor v1.0

Acoustic Absorption Predictor v1.0 — Initial Release

First public release of the Acoustic Absorption Predictor, a free, open-access, browser-based tool for predicting the sound absorption coefficient α(f) of porous materials.

What's Included

alphaporous.html — Single-file web application (no installation required)
User Guide (PDF) — Complete 15-section guide with references and glossary
README.md — Full documentation and usage instructions

Features

7 acoustic models: Delany-Bazley, Miki, JCA, JCAL (Lafarge), Biot, Zwikker-Kosten, TMM
Interactive frequency-resolved absorption chart with hover tooltips
Automatic NRC calculation (250, 500, 1000, 2000 Hz)
Multi-curve overlay for model and parameter comparison
Transfer Matrix Method for 2-layer composite simulation
CSV export for post-processing in Excel, Python, or MATLAB
Fully client-side — no data collection, no server required

Usage

Online: [[alphaporous.com](alphaporous.com)](alphaporous.com)
Local: Download alphaporous.html and open in any modern browser

Documentation

Full user guide available in docs/AAP_UserGuide_v1.pdf

Citation

bibtex @misc{olajide2026acoustictool, author = {Olajide, Jimmy Lolu}, title = {Acoustic Absorption Predictor v1.0}, year = {2026}, institution = {University of South Africa (UNISA)}, url = {https://github.com/JimmyLol…, doi = {10.5281/zenodo.xxxxxxx} }

Author

Jimmy Lolu Olajide

Department of Mechanical, Bioresources and Biomedical Engineering University of South Africa (UNISA)

License: MIT Tool Status: Production-ready for research and academic use