Fig 1.
Schematic diagram of the artificial boundary node o and MTF computational points.
Fig 2.
Schematic diagram of the source and observation points.
Fig 3.
Reflection coefficient in case A: (a) Δt/T = 1/10; (b) Δt/T = 1/20.
Fig 4.
Reflection coefficient in case B: (a) Δt/T = 1/10; (b) Δt/T = 1/20.
Fig 5.
Time function of the concentrated force.
Fig 6.
Computational domain in the wave source problem (Quadrant I).
Fig 7.
Displacement time-histories of observation point A.
Fig 8.
Displacement time-histories of observation point B.
Fig 9.
Computational domain in the scattering problem.
Fig 10.
Displacement time-histories of observation point A.
Fig 11.
Displacement time-histories of observation point B.