Energy Spectrum Evolution of a Diffuse Field in Elastic Body Caused by Weak Nonlinearity

Details Energy Spectrum Evolution of a Diffuse Field in Elastic Body Caused by Weak Nonlinearity Energy Spectrum Evolution of a Diffuse Field in Elastic Body Caused by Weak Nonlinearity

2003-05-15

arxiv.org/abs/cond-mat/0305363v3

Physics

Condensed Matter

Other Condensed Matter

9 pages, 3 figures; revised for better presentation

Scientific paper

10.1103/PhysRevE.69.066605

We study the evolution of diffuse elastodynamic spectral energy density under
the influence of weak nonlinearity. It is shown that the rate of change of this
quantity is given by a convolution of the linear energy at two frequencies.
Quantitative estimates are given for sample aluminum and fused silica blocks of
experimental interest.

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