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Engineering
Mechanical Engineering
Big Robot- Lattice boom crane - calculating maximum stress
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[QUOTE="FEAnalyst, post: 6572854, member: 658802"] Truss structure like this one are calculated in a different manner (with assumptions that only axial loads are carried by members, joints are hinged and external forces act only at the joints). Maybe the literature about hoist and crane devices will be helpful. However, manual calculation will be quite tedious in this case. It would be beat to use numerical approach (finite element analysis). Here’s a similar example: [URL]https://abaqus-docs.mit.edu/2017/English/SIMACAEGSARefMap/simagsa-c-bmsexamplegargocrane.htm#simagsa-c-bmsexamplegargocrane[/URL] [/QUOTE]
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Big Robot- Lattice boom crane - calculating maximum stress
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