# On the differences in noise predictions based on solid and permeable surface Ffowcs Williams–Hawkings integral solutions

> Research article (International Journal of Aeroacoustics, 2019) · cited 38× · AI/ML

**Wikidata**: [openalex:W2989885552](https://www.wikidata.org/wiki/openalex:W2989885552)  
**Source**: https://4ort.xyz/entity/on-the-differences-in-noise-predictions-based-on-solid-and-permeable-surface-ffowcs-williamshawkings-integral-solutions