Funding for this research was provided by:
National Natural Science Foundation of China (51605279)
Shanghai Science and Technology Development Foundation (16CG54)
Shanghai Municipal Education Commission (16CG54)
Received: 13 January 2020
Revised: 28 April 2020
Accepted: 19 May 2020
First Online: 30 June 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: Unfortunately, the FEM and data of the crane structure are restricted and unable to share.