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• Dave Dewees, P.E.

Dave Dewees, P.E.: About the Author
Mechanical Engineering Division Manager, Becht

Dave Dewees P.E. is a BS/MS Mechanical Engineer with 20 years’ experience in the refining, petrochemical and power generation industries. He has been active in ASME codes and standards for more than 15 years and has actively contributed as a member and contributing member to the API/ASME Fitness-for-Service Joint Committee in the areas of high temperature technology, welding residual stress and fatigue and fracture mechanics. He has had multiple leadership roles related to high temperature technology modernization and development within ASME over the last 5 years. He currently manages the Mechanical Engineering Division for Becht and is based out of the Becht Ohio Engineering office.

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Published Articles

Breakthroughs in Predictive HTHA Life Assessment: Time Dependent Nelson Curves and Inspection Planning Enhancements

January/February 2022 Inspectioneering Journal

This article describes HTHA predictive modeling advances that are designed to demonstrate a direct integration with inspection such that modeling and inspection can be leveraged together in a way never done before.

Authors: Dave Dewees, P.E., Gerrit Buchheim, P.E.

Practical HTHA Experience and Time-Based Nelson Curves for Improved Equipment Life Management

March/April 2020 Inspectioneering Journal

Nelson curves, which are the foundation of the industry’s HTHA programs, can be tied to mechanistic models from several sources, allowing the recreation of Nelson curves for different operational histories and time durations.

Authors: Dave Dewees, P.E., Gerrit Buchheim, P.E., Jeremy Staats, P.E., Charles Becht V, P.E.