a{perture}-max{imum} pcdc f{ace}-j{oint} c{onstitutive}-m{odel} hydr{aulic}-p{orous}-m{edium} prop{erty} a{perture}-max{imum} **描述:**最大水力张开度。省缺值:1e-3 。可选 值: f(float,最大张开度值)