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by easternwang
Wed Oct 24, 2018 5:33 am
Forum: CODE_BRIGHT
Topic: van Genuchten model ITYCL=1
Replies: 0
Views: 10036

van Genuchten model ITYCL=1

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...

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