# Learning constitutive relations using symmetric positive definite neural networks

> Research article (Journal of Computational Physics, 2021) · cited 171× · AI/ML

**Wikidata**: [openalex:W3015176898](https://www.wikidata.org/wiki/openalex:W3015176898)  
**Source**: https://4ort.xyz/entity/learning-constitutive-relations-using-symmetric-positive-definite-neural-networks