# Multi-class teaching–learning-based optimization for truss design with frequency constraints

> Research article (Engineering Structures, 2015) · cited 100× · AI/ML

**Wikidata**: [openalex:W2136929824](https://www.wikidata.org/wiki/openalex:W2136929824)  
**Source**: https://4ort.xyz/entity/multi-class-teachinglearning-based-optimization-for-truss-design-with-frequency-constraints