[gmx-users] Two Types of van de Waals interactions in one system

[Mark Abraham]

hong bingbing wrote:
> Dear all,
> 
> Has anyone tried to use 2 van de Waals interaction types in one system? 
> For example, the system includes two components A and B. The van de Waas 
> interaction for A is LJ type, while for B Buckingham form is used. Can 
> GROMACS support two forms simultaneously?

No. How would you describe the vdW interaction between an atom from A 
and one from B?

If the reason for this question is based on a desire to mix two force 
fields - don't.

Mark