FFP在黏土中贯入过程的CFD模拟

刘君, 张雨勤

CFD SIMULATION ON THE PENETRATION OF FFP INTO UNIFORM CLAY

Liu Jun, Zhang Yuqin

表5 λ = 0.2,α = 0.3情况下FFP的计算结果

Table 5 Simulation results of FFP for λ = 0.2, α = 0.3

Case va /(m·s-1) ρ /(g·mm-3) su0 /kPa Ren λ=0.2,α=0.3 Ft/kN Ff/kN Rf1 Rf2 Rf1/Rf Rf2/Rf 1 3 1.6 2 7.2 4.217 6.963 1.182 1.930 0.842 1.375 2 6 1.6 2 28.8 4.602 7.363 1.256 2.030 0.859 1.387 3 12 1.6 2 115.2 5.440 7.637 1.355 2.090 0.890 1.372 4 24 1.6 2 460.8 7.740 7.792 1.454 2.112 0.918 1.333 5 30 1.6 2 720 9.255 7.955 1.467 2.151 0.915 1.342 6 6 1.4 2 25.2 4.589 7.353 1.258 2.029 0.860 1.386 7 6 1.8 2 32.4 4.653 7.374 1.265 2.031 0.865 1.388 8 6 1.6 1 57.6 2.430 3.701 1.283 2.031 0.877 1.387 9 6 1.6 4 14.4 8.954 14.581 1.244 2.018 0.850 1.379 10 6 1.6 10 5.76 21.827 35.762 1.226 1.988 0.838 1.359 11 6 1.6 15 3.84 32.543 53.070 1.222 1.971 0.835 1.346 12 6 1.6 20 2.88 43.257 70.163 1.219 1.956 0.833 1.337