Portable offshore units, including transportation frames, often must be certified to codes such as DNV RP 2.7-3. In addition to the structural requirements, the vertical impact test for operational class R45, R60, and R60-SE can be simulated as per Section 3.6.3 to avoid the expense of an actual test.
Safety is paramount with over-the-head lifting devices. ASME BTH-1 is typically used as the code to which over-the-head lifting devices are designed.
Analysis used to verify iso corner capacity
Finite element analysis used to verify specified capacity
Finite element analysis was used to verify the capacity of a removable load attach point. The analysis included contact between the post, bed, attach plate, and hook.
Finite element analysis used to verify specified capacity
Our client asked us to design a tool to load and unload tall and narrow crates from shipping containers. The design envelope was tightly constrained:
The tool was designed to ASME BTH-1 which requires a safety factor of 2 for service class A.