We develop a well-posedness theory for second order systems in bounded domains where boundary phenomena like glancing and surface waves play an important role. Attempts have previously been made to write a second order system consisting of n equations as a larger first order system. Unfortunately, the resulting first order system consists, in general, of more than 2n equations which leads to many complications, such as side conditions which must be satisfied by the solution of the larger first order system. Here we will use the theory of pseudo-differential operators combined with mode analysis. There are many desirable properties of this approach: (1) the reduction to first order systems of pseudo-differential equations poses no difficulty and always gives a system of 2n equations. (2) We can localize the problem, i.e., it is only necessary to study the Cauchy problem and halfplane problems with constant coefficients. (3) The class of problems we can treat is much larger than previous approaches based on “integration by parts”. (4) The relation between boundary conditions and boundary phenomena becomes transparent.
Mots-clés : well-posed 2nd-order hyperbolic equations, surface waves, glancing waves, elastic wave equation, Maxwell equations
@article{M2AN_2012__46_3_559_0,
author = {Kreiss, Heinz-Otto and Ortiz, Omar E. and Anders Petersson, N.},
title = {Initial-boundary value problems for second order systems of partial differential equations},
journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
pages = {559--593},
publisher = {EDP-Sciences},
volume = {46},
number = {3},
year = {2012},
doi = {10.1051/m2an/2011060},
mrnumber = {2877365},
zbl = {1276.35115},
language = {en},
url = {http://www.numdam.org/articles/10.1051/m2an/2011060/}
}
TY - JOUR AU - Kreiss, Heinz-Otto AU - Ortiz, Omar E. AU - Anders Petersson, N. TI - Initial-boundary value problems for second order systems of partial differential equations JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2012 SP - 559 EP - 593 VL - 46 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2011060/ DO - 10.1051/m2an/2011060 LA - en ID - M2AN_2012__46_3_559_0 ER -
%0 Journal Article %A Kreiss, Heinz-Otto %A Ortiz, Omar E. %A Anders Petersson, N. %T Initial-boundary value problems for second order systems of partial differential equations %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2012 %P 559-593 %V 46 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2011060/ %R 10.1051/m2an/2011060 %G en %F M2AN_2012__46_3_559_0
Kreiss, Heinz-Otto; Ortiz, Omar E.; Anders Petersson, N. Initial-boundary value problems for second order systems of partial differential equations. ESAIM: Mathematical Modelling and Numerical Analysis , Special volume in honor of Professor David Gottlieb. Numéro spécial, Tome 46 (2012) no. 3, pp. 559-593. doi : 10.1051/m2an/2011060. http://www.numdam.org/articles/10.1051/m2an/2011060/
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