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3 无率效应均质土中Ft与Ff计算结果

Table 3 Simulation results of Ft and Ff in uniform soils without shear strain rate effect

Case v /(m·s-1) ρ /(g·mm-3) su0 /kPa Ren α=0.05 α=0.3 α=0.6 α=1.0 Ft/kN Ff/kN Ft/kN Ff/kN Ft/kN Ff/kN Ft/kN Ff/kN 1 3 1.6 2 7.2 3.29 0.65 3.50 3.92 3.70 7.69 3.91 12.66 2 6 1.6 2 28.8 3.49 0.65 3.72 3.96 3.95 7.83 4.23 12.93 3 12 1.6 2 115.2 3.93 0.66 4.31 3.93 4.61 7.85 4.96 13.05 4 24 1.6 2 460.8 5.51 0.69 6.23 3.99 6.91 7.75 7.29 12.95 5 30 1.6 2 720 6.62 0.71 7.43 4.06 8.35 7.91 9.01 12.89 6 6 1.4 2 25.2 3.46 0.64 3.68 3.96 3.92 7.82 4.19 12.91 7 6 1.8 2 32.4 3.51 0.66 3.74 3.96 3.98 7.84 4.27 12.95 8 6 1.6 1 57.6 1.83 0.33 1.96 1.94 2.91 3.93 2.25 6.51 9 6 1.6 4 14.4 6.75 1.30 7.16 7.89 7.62 15.57 8.10 25.63 10 6 1.6 10 5.76 16.81 3.31 17.46 19.55 18.47 38.35 19.49 63.08 11 6 1.6 15 3.84 24.99 4.95 26.01 29.17 27.47 57.13 28.94 93.86 12 6 1.6 20 2.88 33.27 6.53 34.56 38.73 36.47 75.78 38.39 124.43