​Dr. Leishear has invented new scientific theories on dynamic stresses, water hammer stresses, grit blasting fatigue, fatigue corrosion due to water hammer, nuclear power plant explosions, water main breaks, bridge failures, gas pipeline explosions, and offshore oil rig explosions.

Robert A. Leishear, PhD, P. E. is a Fellow of the American Society of Mechanical Engineers (ASME), a Consulting Engineer for Leishear Engineering, LLC, a licensed Professional Engineer in South Carolina, A Journeyman Sheet Metal Mechanic, a NACE Senior Internal (Piping) Corrosion Technologist,  a NACE Senior Corrosion Technologist, a voting member of several ASME international piping and pressure vessel committees, and a voting member of a National Fire Protection Association piping explosions committee. He has traveled far from his days of walking on four inch I-beams,  500 feet in the air without fall protection, to his present position as a Doctor in Engineering. His wide range of skills that he developed along the way can be used as tools to fix your piping system, explosion, and fluid flow problems to increase the success of your business.

Dr. Leishear earned his Bachelor's degree in Mechanical Engineering from Johns-Hopkins University, parallel to completing indenture for a Sheet Metal Mechanic's apprenticeship and welding school. While employed at Savannah River Site (SRS ), he attended the University of South Carolina at night to earn his Masters and Doctoral degrees in Mechanical Engineering and he has a Master of Engineering degree in Nuclear Engineering. While completing graduate research, he completed over a hundred Savannah River Site nuclear facility process engineer classes, electrician training, instrumentation calibration classes, and ASME piping and pressure vessel design classes. 

Across the US and overseas, he has also completed courses in International Nuclear Law, Radiology, and extensive training for nuclear reactor computer design codes for reactor core physics, thermal hydraulics, fluid transients, Fluent, Ansys Mechanical, and Autodyne. He has also completed a dozen corrosion courses to earn certifications as a NACE Senior Corrosion Technologist, NACE Senior Internal Corrosion Technologist [for pipelines], Cathodic Protection Tester,  and an AMPP Certified Coatings Inspector. All in all, he has one of the the most extensive educations in the mechanical engineering industry.

Dr. Leishear's studies and accomplishments focused on fluid flow, piping design, vibrations, failure analysis, and fluid machinery, as well as explosions in piping systems and nuclear power plants. That is, his specialties are explosions, plus fluid, structural, and machinery dynamics, where he has worked as a research engineer for Savannah River National Laboratory, a Process and Plant Engineer for Savannah River Nuclear Solutions, and as a lead engineer for design, calibrations, compressors, mixing, pumps, and piping. In these positions, he earned tens of millions of dollars in cost savings, which are documented in his more than 200 publications. 

These publications include ASME textbooks, magazine articles, newspaper articles, Op Eds, conference papers, and Honors journal papers. He has also taught advanced engineering classes throughout the country for the American Society of Mechanical Engineers, AMPP, and the Pump Users Symposium.

Research at Pantex, a nuclear weapons assembly plant in Amarillo, Texas was performed to investigate 22 years of piping failures in a fire suppression system. Water hammer was identified and corrective actions were implemented. Underground water main breaks were nearly eliminated when partial recommendations were implemented.

More recently, he completed research to prove that fluent transients ignited the explosions at Fukushima and Three Mile Island nuclear power plants. He also wrote a series of articles on possible Ukraine power plant explosions, the dangerous uses of nuclear weapons, and the true causes of global warming.

To capstone his troubleshooting successes, Dr. Leishear received several ASME awards for service, a dozen SRS corporate awards, and the Mensa Copper Black Award for Creative Intelligence for his research on explosions in nuclear facilities and offshore oil rigs. His future success can be your success as well.

Company approach

See "Resume" page for additional details of experience.

I stop water main breaks, pipeline cracks and leaks, pump failures, compressor failures, and pipeline explosions. That is, engineering services are available to troubleshoot existing fluid system problems or to complete new designs. In particular, difficult and seemingly insoluble fluid flow problems, pipe failures, machinery failures, plus industrial and nuclear explosion causes have been, and can be, resolved. I have had the good fortune to earn an extensive engineering education and experience, which are coupled with an extensive hands-on technical background in the construction trades. My career has been dedicated to understanding all aspects of fluid machinery and fluid systems operations, as well as failure analysis of equipment and piping failures. At the risk of not sounding very humble, every engineering and scientific team project that I have ever led over the past thirty years was a success, regardless of complexity. In fact, I solved many industrial problems that were unsolved for decades by multiple engineering teams. Success is not an accident, it is the natural outcome of hard work, tenacity, diligence, and doing what one believes to be right.


          Robert A. Leishear

A Trail of Successes

troubleshooting fluid systems: 

A Step beyond the edge of the impossible

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i believe that the purpose of an engineering consultant is to provide excellent technical insights to cut client costs, AND TO improve client operations and performance, while IMPROVING PUBLIC SAFETY AND THE ENVIRONMENT AT THE SAME TIME.



            Robert A. Leishear