Nonlinear modal dynamics of multi-disk shafts with dual-mode coupling under large deflections and axial constraints

Key Points

• Nonlinear dynamics emerge significantly in shaft systems with dual-mode coupling, impacting performance under large deflections.
• The analysis identifies key thresholds, with substantial shifts occurring at specific axial constraints in the shaft system.
• Assessment using a comprehensive modal analysis of multi-disk shafts reveals intricate relationships between deflections and constraints.
• These findings highlight the need for advanced modeling in mechanical systems, calling for further investigation into real-world applications.