Table 2 Classification of linear damping mechanisms

Elastic wave radiation^■

[20–39]

Viscous damping^■

[40–42]

Thermoelastic damping^■

[43–59]

Microsliding^▲

[60–63]

Squeeze-film damping^■

[16, 64]

Phonon-phonon interactions^§

[65–67]

Viscoelasticity^▲

[9]

Acoustic radiation^■

[68]

Phonon–electron interactions^§

[6, 65]

Internal flow^■

[69, 70]

Internal Friction^▲

[4, 5, 71–84]