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Trying to find a method to support an irregular shape at multiple points
I have a 3D model of an irregular shape where the centre of mass is not within the structure itself. See image. Second image shows some indicative supports, which would be straps, to demonstrate what I am trying to achieve. I am trying to determine 3 hooking locations out of the available 8 so that when the structure is hoisted into place, there will be no rotation of the structure because it is critical that the structure maintains its level whilst it is being hoisted into place. I thought there might of been a way to do this using moments of inertia for each point. To no avail. Is there a standard engineering method for determining this? Can you point me toward some procedure/formula or British Standard?
I can provide further information/clarification if required.
Any help is much appreciated.
Thanks in advance. James.