Abstract
To numerically model open-domain structures and radiation problems, an absorbing boundary condition (ABC) has to be applied to emulate infinite open space. In this letter, the split-field perfectly matched layer (PML) ABC is developed and presented for the unconditionally stable node-based locally one-dimensional radial point interpolation meshless method. Numerical experiments are conducted to demonstrate the performance of the proposed PML ABC; they show that the proposed PML method has a good absorbing capability.
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