Hi all,

I'm interested in comparing the diffusivity constants of gases in various polymers with aspects of the polymer dynamics. To examine the rotational dynamics of parts of the polymers, I'd like to perform the above-mentioned analysis. When I do this I define the part of the polymer I want to look at as the set to be input and try to run the calculation. This brings up an error message saying the calculation failed because "no distance monitors are selected for analysis." Can anyone shed some light on this problem for me?

Thanks!