Abstract
The subject of present investigation is the diffraction of a shock wave of arbitrary intensity on a thin wedge moving at a supersonic speed. The plane of the shock wave forms an almost right angle with the symmetry plane of the wedge. The interaction between the fronts is assumed sporadic. Studying the pressure perturbation along the front, a singularity of the type similar to that appearing when a weak pressure jump is diffracted on a wedge of finite opening angle with an attached shock, is discovered. This case was dealt with in [1]. The boundary value problem which is solved here using the results of [2, 3] enables us to find the pressure perturbations at the wall and along the shock front, and obtain the expression for the front in terms of elementary functions. The above problem was analyzed for the case of regular interaction in [3], where a method of generalizing the solution to the case of sporadic interaction was also suggested. The method however turned out to be impracticable.
Published Version
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