AUTHOR=Zhang Zongfang , Zhang Maoyou TITLE=Multi-parameter optimizations of elastic chain catenary based on response surface methodology for high-speed railway JOURNAL=Frontiers in Mechanical Engineering VOLUME=11 YEAR=2025 URL=https://www.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2025.1547120 DOI=10.3389/fmech.2025.1547120 ISSN=2297-3079