Development of a New Structural Evaluation Technique for As Built Nuclear-Components with Minimum Wall Thickness Problems
O’Donnell Consulting developed a new yield surface method for bounding primary stresses in nuclear components. We developed new elastic stress limits and obtained an applicable yield surface for combined bending, tension and shear in plates and shells. We then developed a computer program to calculate the constants in the yield surface equations. The resulting yield surface method can be used to evaluate Primary stresses in nuclear components when existing oversimplified methods yield stresses exceeding Code allowables in local thin areas.
We perform engineering and finite element analysis on equipment to AWS, API and ASME Code.
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– Finite Element Analysis of a Vessel Processing Nuclear Waste
– Finite Element Analysis & ASME Code Section VIII Division 2 Calculations on Feedwater Heaters
– Development of Elevated Temperature Design Criteria for Nuclear Components