耦合: (coupled analysis), that means movement in different material should be continuous. In other 5b$QXO
zT+ "Z(oz,
word, the displacement in every node should be continuous. For example, in two different /WMJ#IE
Rg SB?
material(soil and concrete or steel), the stiffnesses are huge different, the displacements in the joint mt\pndTy7!
>=K~*$&>
nodes will occur problem without coupled model(the node displacements calculated from two jointed lXip%6c7
nj=nSD
element are different). So the interface elements are introduced to solve Q5 =
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this issue. But there still is problem for crack or big displacement because Finite Element Method 6QePrf
cpu|tK.t
hard handle these problems from its assumption. xp%LXx j
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相互: (interaction), that means the structure will affect the soil behavior. For example, the lateral displace from the structure in retaining structure will affect the lateral earth pressure coefficient(K0,Ka, Kp) and so on. v(`5exWV
d~;U-
Hope some help!
