Absorbing boundary condition 1 Asymptotically compatible discretization 1 Boundary conditions 1 Compatible discretizations 1 Continuum mechanics 1 Corner reflection 1 Discrete Green's function 1 Discrete green's functions Equation of motion 1 Equations of motion 1 Integro differential operator 1 Integrodifferential equations 1 Integrodifferential operator 1 Mathematical operators 1 Peridynamics 1 Two-dimensional 1 Two-dimensional peridynamic equation of motion 1 Two-dimensional peridynamics equation of motion 1