Строительная механика инженерных конструкций и сооружений. 2007. С. 15-20
Given clause considers the basic results about numerical modelling a problem about interaction of wave loadings with mvestigated object. The purpose of clause is to show interaction of a flat elastic, viscous and plastic wave with a free round aperture. The planimetric pressure in a characteristic point of a free round aperture is resulted.