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We provide estimates of the wave energy reaching the solar chromosphere andcorona in a network-like magnetic field topology, including a coronal nullpoint. The waves are excited by an instantaneous strong subphotospheric sourceand propagate through the subphotosphere, photosphere, chromosphere, transitionregion, and corona with the plasma beta and other atmospheric parametersvarying by several orders of magnitude. We compare two regimes of the wavepropagation: a linear and nonlinear regime. While the amount of energy reachingthe corona is similar in both regimes, this energy is transmitted at differentfrequencies. In both cases the dominant periods of waves at each heightstrongly depend on the local magnetic field topology, but this distribution isonly in accordance with observations in the nonlinear case.

Simulated interaction of MHD shock waves with a complex network-like region