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Dr. Yuqing Liu, Bechtel Global Functional Manager of Pipe Stress and Vibration Engineering, points out in a 2022 youtube video presentation that "At the end of the day, dynamic (loads) cause more damage to your plants than static (loads)." In that same video Dr. Liu shared results of a case study involving waterhammer dynamic loads where "We saved the client, we saved the project millions of dollars by using time history analysis (instead of DLFs). We also saved the project's schedule" since it would have taken months longer to redesign and fabricate piping, structure and foundation had they relied on results from commonly used DLF values.
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