PFC单轴压缩标定，试样尺度放大，加载速度是否需要变化？

PFC中; apply loading by moving top and bottom wallswall attribute yvel -0.1 range id 1wall attribute yvel 0.1 range id 2FLAC中zone gridpoint initialize velocity-y 2.5e-5 range position-y -.1 .1zone gridpoint initialize velocity-y -2.5e-5 range position-y 3.9 4.1U DEC中velocity-y 1.5e-2