Latest questions about "plaxis 2d"

After running the calculation program, the output shows deformation near the trench whereas it was supposed to occur near the dynamic load. I've tried many a times and the problem still persists.

I tried to model a cantilever retaining wall using plaxis 2d .

I wonder how could I simulate the impact of a ship on a breakwater in plaxis? If the breakwater is a trapezoidal structure with some plates covering the softer (sand) materials.