We need to animate a historic re-enactment of a bridge collapsing. I was hoping to use MassFX for it, using a lot of constraints to hold all the components together while allowing for some rotation and breaking between pieces. But MassFX just can’t seem to handle it, when i run the simulation it either crashes or the objects explode all over the scene. Am I just missing something? I guess my other options are looking at the Physx plugin or possibly reactor, in max 2011.

Attached is a screenshot showing the main portions of the bridge, and an image showing the bridge collapsed. For reference, the bridge spins 90deg on the center base to allow boats to travel by. The bridge operator started to turn the bridge with ~60 cows on one side, so that side of the bridge sunk down about 10’, raising the other side of the bridge, then it snapped in the middle and fell in the river.

Any advice / suggestions? Thanks!

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