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- Wed Oct 24, 2018 5:33 am
- Forum: CODE_BRIGHT
- Topic: van Genuchten model ITYCL=1
- Replies: 0
- Views: 10036
Hi, In the water retention van Genuchten model ICL=6, ITYCL=1; Is the P in the formula the air entry value? I noticed that P=P0(sigma/sigma0). What is sigma here? There are explanations for P0 and sigma0 in the manual as following, but not sigma: Po (MPa): Measured P at certain temperature sigma0 (N...