UGeometryCollection::CreateSimulationData

Create the simulation data that can be shared among all instances (mass, volume, etc...) Note : this does not check if the simulation data is drty or not and will cause a load from the DDC use [CreateSimulationDataIfNeeded()](API\Runtime\GeometryCollectionEngine\GeometryCollection\UGeometryCollection\CreateSimulation-_1) for avoiding extra runtime cost