Energy-conserving norms for the solution of hyperbolic systems of partial differential equations
Max D. Gunzburger and Robert J. Plemmons
Math. Comp. 33 (1979), 1-10
Primary 35L50; Secondary 65N20
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Abstract: The problem of finding an energy conserving norm for the solution of the hyperbolic system of partial differential equations , subject to boundary conditions, is reduced to the problem of characterizing those matrices appearing in the boundary conditions which satisfy two specific matrix equations. Necessary and sufficient conditions on the coefficient matrix A and the matrices appearing in boundary conditions are derived for an energy conserving norm to exist. Thus, these conditions serve as tests on a given system which determine whether or not the solution will have its energy conserved in some norm. In addition, some examples of specific systems and boundary conditions are provided.
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