How to train a model for many types of elements

[swang066]

If I have a system which has 20 different elements, how to train a model for them? Can I run AIMD for each pair of them and then use Deepmd-kit to combine them and train a model? Thank you very much!

[AnguseZhang]

See descrption for type_map.raw and type.raw in manual.
Btw, curretnly no one has trained a model with 20 different elements since its costs for GPU memory and training time is too much. What't the reason for training a system wtih 20 elements?

[njzjz]

If you only train each pair of them but not the mixture of them, the model can only be able to predict these pairs. However, in this case, I can't see the advantage of a single model instead of multiple models.