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6 土体不排水抗剪强度以及参数反演结果
Tab. 6 Back analysis of soil undrained shear strength and coefficients
Case va /(m·s-1) Fta
/kN
Ffa
/kN
vb /(m·s-1) Ftb
/kN
Ffb
/kN
CFX parameters Back calculation
α λ su0
/kPa
αest λest su0,est
/kPa
1 2 20.27 46.49 5 21.42 51.07 0.5 0.15 10 0.479 0.166 9.941
2 2 20.27 46.49 10 23.01 54.25 0.5 0.15 10 0.467 0.182 9.865
3 5 19.23 10.87 10 20.59 11.32 0.1 0.15 10 0.103 0.189 9.317
4 5 20.33 12.14 10 21.78 12.73 0.1 0.2 10 0.103 0.230 9.503