Elastic energy calibration method, device and equipment for fractal structure two-dimensional solid surface

The invention discloses an elastic energy calibration method, device and equipment for a fractal structure two-dimensional solid surface. The method comprises the following steps: acquiring height distribution of the fractal structure two-dimensional solid surface and a two-dimensional power spectral density function corresponding to the height distribution; obtaining a height distribution second moment according to the two-dimensional power spectrum density function; determining a theoretical value of a displacement distribution second-order moment according to the height distribution second-order moment; the theoretical value of the elastic energy is determined according to the corresponding relation between the elastic energy and the stress and the theoretical value of the displacement distribution second moment; and calibrating the elastic energy of the two-dimensional solid surface with the fractal structure according to the theoretical value of the elastic energy. The method can accurately and effective