FEA
Celtic utilizes 3 main Finite Element Analysis(FEA) software packages. RISA 3D and SAP 2000 are the main structural wire frame and shell element FEA packages utilized along with Simulation software that compliments the wireframe analysis with high end solid and shell FEA modeling capabilities.  When analysis involves more detailed and complex material geometries, and load paths are not as easily defined; solid model FEA analysis is carried out to focus and ensure critical connections and weldments meet the specifications.  Celtic has developed in-house ways to extract data from these programs and assess fatigue life and strength cases when multiple custom load combinations have to be considered.


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