International Scholarly Research Notices

Research Article

A Decrement Method for Quantifying Nonlinear and Linear Damping in Multidegree of Freedom Systems

Table 3

Comparison of formulations for two nonlinear systems.
𝜆 1 𝜆 2 𝑝 2 𝑝 1 𝑞 2 𝑞 1
cubic [11] 2 𝜋 𝜔 𝑐 3 𝜋 𝜔 2 𝛽 𝐴 1 𝐴 0 2 − 𝐴 2 0 𝐴 0 𝐴 1 2 𝐴 2 1
Coulomb 8 𝜔 2 𝛼 2 𝜋 𝜔 𝑐 𝐴 2 1 𝐴 0 𝐴 0 𝐴 2 0 𝐴 1 𝐴 1