MATLAB Modal Analysis Using Transfer Matrix Method for Rotor Dynamics

This program employs the transfer matrix method to perform rotor dynamics calculations for a 10kW rotor system. The implementation allows for evaluation of the rotor system's operational performance under various conditions. The code has undergone validation against experimental results, demonstrating strong correlation between computational outputs and physical measurements. The transfer matrix method serves as an efficient numerical computation approach for solving various dynamics problems, including rotor dynamics challenges. Based on Stokes' formula, the method represents rotor motion equations and constraint equations in matrix form, enabling solution through matrix operations. The MATLAB implementation utilizes key functions for matrix assembly and eigenvalue computation to determine natural frequencies and mode shapes. Key algorithmic features include: - Systematic assembly of transfer matrices for each rotor segment - Implementation of boundary condition handling through matrix propagation - Eigenvalue extraction for modal characteristic identification - Validation routines comparing numerical results with experimental data This program provides a reliable numerical computation tool for rotor dynamics research, featuring modular code structure that allows for parameter modifications and extended analysis capabilities. The implementation ensures computational efficiency while maintaining accuracy required for engineering applications.