The deformation shown is the correct simulation result for that model.
If you want a different result, you need to change something in the model.
Do the materials include plasticity or are the materials all linear elastic? If you have plasticity, try removing that from the material model.
You could change the imported load.
You could simulate for 1 extra second with no load.
You could change the thickness of the supports.
You could change the thickness of the bus bar.
You could change the density of the bus bar.
I recommend you run a Modal analysis on the structure and learn what the first modal frequency is. I think you have a mismatch between the timing of the Rejecting Force and the natural frequency of the structure.