4.5 Article

A Complex Mode Superposition Method Based on Hysteretic Damping Model for Mode Static Correction

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Complex mode superposition method of nonproportionally damped linear systems with hysteretic damping

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Summary: The proposed complex mode superposition method based on the hysteretic damping model provides a unique and efficient approach for calculating vibration responses in nonproportionally damped linear systems. The method, implemented through user subroutines in ANSYS and MATLAB, shows higher accuracy and effectiveness compared to traditional methods. Shaking table tests further validate the unconditional convergence and independence of time step of the proposed method in time-domain dynamic analyses.

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