Propagation of Rayleigh waves at oblique impact of the meteorite about the earths surface and their effects on buildings and structures

Abstract

In this paper the dynamic elasticity problem of the simultaneous normal and tangential impact on the half-space is solved. This problem simulates the oblique incidence of meteorite on the Earths surface. The surface Rayleigh wave is investigated. The resulting solution is used as an external effect on the high-rise building, located at some distance from the spot of falling for the safety and stability assessment of its structure. Numerical experiments were made based on the finite element software package STARK ES. Upper floors amplitudes of the selected object were calculated under such dynamic effects. Also a systematic comparison with the results at the foundation vibrations, relevant to standard a 8-point earthquake accelerograms, was made.

Keywords

• Rayleigh wave
• meteorite
• earthquake