concrete creep

[shanchen]

hi
i am going to model the concrete creep with opensees ,but i am not sure whether it has this kind of material .so can anyone give me some adveice .I wound be thankful.

[fmk]

it does not have a concrete material with creep option .

[shanchen]

is that means that i have to Write code for a new material by myself

[fmk]

yes or use some other piece of software.