On diffracted wave fronts
1979 ◽
Vol 84
(1-2)
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pp. 35-54
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SynopsisIn this paper we study the wave equation, in particular the propagation of discontinuities. Two problems are considered: diffraction of a normally incident plane pulse by a plane screen and diffraction of a spherical wave by the same screen. It is shown that when an incident wave front strikes the edge of the screen a diffracted wave front is produced. The discontinuities are precisely computed in a neighbourhood of the edge for a small time interval after the arrival of the incident wave front and a theorem of Hörmander on the propagation of singularities is used to obtain a globalresult.
1984 ◽
Vol 68
(1-4)
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pp. 247-272
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Keyword(s):
2012 ◽
Vol 15
(03)
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pp. 1250016
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Keyword(s):
1990 ◽
Vol 114
(1-2)
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pp. 119-133
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Keyword(s):
Keyword(s):
1967 ◽
Vol 20
(4)
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pp. 659-685
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2017 ◽
Vol 17
(06)
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pp. 1750043
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