Pol Grasland-Mongrain edited The_absorption_of_the_laser__.tex  over 8 years ago

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Displacements along Z are then equal to the convolution between the time and spatial extent of the force $H_y (x,y,z,t)$ with $G_{yz}$.  Using a medium density $\rho$ of 1000 kg.m$^{-3}$, a compression wave speed of 1500 m.s$^{-1}$ and a shear wave speed of 5.5 m.s$^{-1}$, we calculated the displacements along Z. Results are shown on space and time.  Figure \ref{figGreen}-(A)which  represents resulting  displacement maps along Z axis between each frame, axis,  1.0, 1.5, 2.0, 2.5 and 3.0 ms after force application. The normalized displacement maps present many similarities with the low-energy experimental results of the Figure \ref{Figure2}, with a initial central displacement directed outside the medium and the propagation of three half cycles.