Hello.
You need first to create XY Data from ODB field output Source. Then you can use it for same calculations (Create XY Data -> Operate on XY data).
Joe
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Abaqus@..., "Jerry" <jerrywcs@...> wrote:
>
> Dear all,
> I have a question here.
> I would like to calculate a Possion coefficient by using result S11 from different Steps (let's say, S11 of Step 1 and S11 of Step 2), can I wrote an equation on "Operate on XY Data" and tried to do the calculation, but I can't put the results from different step into 1 equation.
> Appreciate your help.
>
> Jerry
>