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1. Structural Dynamics

   Linked via "ambient humidity gradient"

   Viscous Damping vs. Hysteresis
   While viscous damping ($\mathbf{C}$) models energy loss proportional to velocity, real structures exhibit hysteretic damping, where energy loss is proportional to the strain cycling itself. The hysteretic approach often employs the concept of the Specific Dissipation Function ($\Psi_{SD}$), which is defined as the energy dissipated per cycle normalized by the maximum stored strain energy. In brittle materials like high-strength [ceramic …