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机译:A CONSERVATIVE AND ENERGY STABLE DISCONTINUOUS SPECTRAL ELEMENT METHOD FOR THE SHIFTED WAVE EQUATION IN SECOND ORDER FORMast
Australian Natl Univ;
Umea Univ;
shifted wave equation; Einstein's equations; second order hyperbolic PDE; spectral element method; stability; constraint preserving; FINITE-DIFFERENCE APPROXIMATIONS; PARTS OPERATORS; SUMMATION; PROPAGATION; EVOLUTION; SYSTEMS;