Impact tsunami wave pressure acting on near the bottom of a land structure was measured with high speed video images of fluid motion in front of the structure. The value of the maximum impact pressure reached 10 times that of the hydrostatic press...
K. Takehara   T. G. Etoh   T. Tamano   M. Kanaoka   N. Mizutani   
28TH INTERNATIONAL CONGRESS ON HIGH-SPEED IMAGING AND PHOTONICS 7126 ICHSIPS28 2009年
The authors applied an ultra-high-speed video camera to visualize crack propagation in brittle bodies, such as mortar specimens, under the impact splitting test. Strain of the brittle bodies in impact splitting tests was analyzed by means of PIV (...