In this Paper, a coupled natural boundary-finite element method is presented for solving three-dimensional Helmholtz equation in an unbounded *** existence and uniqueness of the solution for both continuous and discre...
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In this Paper, a coupled natural boundary-finite element method is presented for solving three-dimensional Helmholtz equation in an unbounded *** existence and uniqueness of the solution for both continuous and discrete problems are *** estimated and some numerical results are given.
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