Think of box with a grid inside it
Once the cargo is filled
The grid lines are raised (hydraulics) which compartmentize the whole cargo into blocks.
Invidual compartment will not have enough mass of material inside it to break the dividers if designed properly.
It's probably cheaper to just have baffles and vacuum the cargo out.
The status quo is cheaper still
Think of box with a grid inside it
Once the cargo is filled
The grid lines are raised (hydraulics) which compartmentize the whole cargo into blocks.
Invidual compartment will not have enough mass of material inside it to break the dividers if designed properly.