Structural Analysis of Compressor Skid Nozzles

Structural Analysis of Compressor Skid Nozzles - CAD Model
Structural Analysis of Compressor Skid Nozzles - CAD Model
CAD Model of the Compressor Skid

Structural Analysis on Compressor Skid Nozzles was Performed for a Manufacturer who was Developing the Skid for the Wheatstone Project LNG Plant, located near Onslow, Australia.

The equipment on the skid included a motor, compressor, instrumentation and controls. We were asked to determine the loads (and allowable loads) at the pipe connections where they exit the skid, taking into consideration deadweight, seismic, wind, and pressure loads. Stresses in structural members, equipment and individual components were not considered. In addition, anchor bolt calculations and sizing weren’t considered. A finite element model of the base skid structure was created using ANSYS. Equipment mounted to the skid was modeled using lumped mass elements at the corresponding center-of-gravity (CG) locations.

The masses were attached to the skid or compressor table structure using constraint equations between equipment mounting locations and the lumped masses corresponding to the equipment CG locations. Fluid in the intercooler and oil reservoir was represented using mass elements that were attached to the containment structure to account for seismic loading.



O’Donnell Consulting Performs Engineering Design and Analysis on Skids, Vessels,  & Other Process Equipment.

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