Group Head
Senior Engineer II

Years of Experience: 10

Education & Licenses:

  • Doctor of Philosophy, Mechanical Engineering, Case Western Reserve University, Cleveland, OH
  • Master of Technology, Mechanical Engineering, Indian Institute of Technology, Kharagpur, India
  • Bachelor of Technology (Honors), Mechanical Engineering, Indian Institute of Technology, Kharagpur, India
  • Registered Professional Engineer:  States of Alabama, Kentucky, Mississippi, Ohio, South Carolina, and Texas

Areas of Specialization:

  • Fitness-For-Service using API 579-1/ASME FFS-1
  • Pressure Vessels Design using ASME Section VIII, Division 1
  • Design-by-Analysis as per ASME Boiler & Pressure Vessel Code, Section VIII, Division 2
  • Nuclear Design Analysis (Section VIII and Section III Equipment)
  • Fatigue and Fracture Mechanics
  • Advanced Stress Analysis using Non-Linear Finite Element Methods
  • Advanced Heat Transfer Analysis
  • Single and Multiphase Flow Analysis using Computational Fluid Dynamics
  • Computational Weld Residual Stress Simulations
  • High-Temperature Creep and Creep Fatigue Simulations
  • Troubleshooting, Problem Solving, and Technical Support for Plant Shutdowns

Overview:

Dr. Kummari is an engineer within the Advanced Analysis Group at E2G | The Equity Engineering Group, Inc. and provides engineering consulting services to the oil & gas, chemical, and nuclear industries on a wide variety of consulting projects.  His areas of specialization include Fitness-For-Service using API 579, high temperature assessments, fatigue and fracture mechanics, and advanced stress and heat transfer analysis using Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD).

Dr. Kummari earned his Ph.D. in Mechanical Engineering from Case Western Reserve University, Cleveland, Ohio.  As a part of his Ph.D. dissertation, he developed experimental and computational methods to assess fracture risks of bones in elderly people.  He earned both his Bachelor’s and Master’s degree from a reputed educational institute in India, Indian Institute of Technology (IIT) Kharagpur.

Publications:

  1. Macejko B.R., Kummari S.R., Prueter P.E., Advanced Methods for More Accurate Brittle Fracture Screening Assessments, Inspectioneering Journal, Volume 26, Issue 3, May/June 2020.
  2. Kummari S.R., Prueter P.E., Bifano M.F.P., Further Investigation into the Damage Tolerance of Different Coke Drum Support Skirt Designs, PVP2019-93529, Proceedings of the ASME 2019 Pressure Vessels and Piping Division Conference, July 14-19, 2019, San Antonio, TX, USA.
  3. Macejko B.R., Kummari S.R., Prueter P.E., Proposed Modifications to Api 579 Part 3 Brittle Fracture Screening Procedures, PVP2019-93207, Proceedings of the ASME 2019 Pressure Vessels and Piping Division Conference, July 14-19, 2019, San Antonio, TX, USA.
  4. Macejko B.R., Kummari S.R., Prueter P.E., Current Deficiencies and Proposed Modifications to API 579 Part 3 Brittle Fracture Screening Procedures, AIChe Paper Number: 182d, Ethylene Plant Safety – 2019 Spring Meeting and 15th Global Congress on Process Safety, New Orleans, LA, March 31 – April 4, 2019.
  5. Kummari S.R., Macejko B.R., Introduction to a Proposed Rewrite of API-579 Part 3 Procedures. #0166, API Inspection Summit, 2019, Galveston, Texas.
  6. Kummari S.R., Prueter P.E., Seijas A., Hantz B., Evaluating the Damage Tolerance of Coke Drum Support Skirt Designs. #0149, API Inspection Summit, 2019, Galveston, Texas.
  7. Prueter P.E., Kummari S.R., Seismic Loading of Aboveground Storage Tanks: Design and Fitness-For-Service Considerations. #0148, API Inspection Summit, 2019, Galveston, Texas.
  8. Shipley K.S., Kummari S.R.,  Simplified Fracture Mechanics for  ASME B31.3 Piping Using a Minimum Allowable Temperature Method. #0281, API Inspection Summit, 2019, Galveston, Texas.
  9. Kummari, S.R., Shipley, K.S., Macejko, B., Prueter, P.E., Evans, G., Jamal, N., Establishing Fracture Mechanics Based Minimum Allowable Temperatures for Low Temperature Applications of ASME B31.3 Piping, PVP2018-84797, Proceedings of the ASME 2018 Pressure Vessels and Piping Division Conference, Prague, Czech Republic, 2018.
  10. Kummari, S.R., Macejko, B., Prueter, P.E., Proposed Methodology Changes to Determine Minimum Design Metal Temperature of ASME/API Impact Tested Materials Based On Fracture Mechanics, PVP2018-84795, Proceedings of the ASME 2018 Pressure Vessels and Piping Division Conference, Prague, Czech Republic, 2018.
  11. Kummari, S.R., Bifano, M.F.P., Prueter, P.E., Evaluating Large Aboveground Storage Tanks Subject to Seismic Loading Part II: Explicit Dynamic Analysis with Liquid Sloshing Effects, PVP2018-84837, Proceedings of the ASME 2018 Pressure Vessels and Piping Division Conference, Prague, Czech Republic, 2018.
  12. Prueter, P.E., Kummari, S.R., Evaluating Large Aboveground Storage Tanks Subject to Seismic Loading Part I: Closed-Form Solutions and Equivalent Static Analysis, PVP2018-84836, Proceedings of the ASME 2018 Pressure Vessels and Piping Division Conference, Prague, Czech Republic, 2018.
  13. Prueter, P.E., Kummari, S.R., Osage, D.A., Developing Life-Cycle Management Strategies and Minimum Pressurization Temperatures for Heavy-Walled Hydroprocessing Reactors, 21st Annual International Pressure Equipment Integrity Association (IPEIA) Conference, Banff, AB, Canada, March 1 – 3, 2017.
  14. Prueter, P.E., Kummari, S.R., Osage, D.A., A Fracture Mechanics-Based Approach to Establish Minimum Pressurization Temperature Envelopes, PVP2017-65805, Proceedings of the ASME 2017 Pressure Vessels and Piping Division Conference, Waikoloa, HI, 2017.
  15. Prueter, P.E., Bifano, M.F.P., Kummari, S.R., Hantz, B., A Comparative Study of the Thermal-Mechanical Behavior and Fatigue Life Predictions of Different Coke Drum Support Skirt Designs, PVP2017-65807, Proceedings of the ASME 2017 Pressure Vessels and Piping Division Conference, Waikoloa, HI, 2017.
  16. Osage, D.A., Spring, D.W., Anderson, T.L., Kummari, S.R., Prueter, P.E., Wallin, K.R.W., Recommendations for Establishing Minimum Pressurization Temperature (MPT) for Equipment, Welding Research Council Bulletin 562, The Welding Research Council, Inc., Shaker Heights, OH, 2017.
  17. Prueter, P.E., and Kummari, S.R., A Fracture Mechanics-Based Minimum Pressurization Temperature Assessment on a 2-1/4 Cr – 1 Mo Hydrotreater Reactor using Finite Element Analysis, NACE CTW16 State-of-the-Art Session on MPT/Brittle Fracture, Houston, TX, September 2016.
  18. Dewees, D.J., Prueter, P.E., Kummari, S.R., Brown, R.G., Thome, T.L., Smith, K.J., Bifano, M.F.P., Panzarella, C.H., Osage, D.A., Development of Revised Weld Residual Stress Guidance for Fitness-For-Service Assessments in API 579-1/ASME FFS-1,  ISBN 978-1-58145-510-6, The Welding Research Council, Inc., New York, NY, 2015.
  19. Dewees, D.J., Prueter, P.E., Kummari, S.R., Technical Basis for the Proposed Weld Residual Stress Guidance in API 579-1/ASME FFS-1,PVP2014-28839, Proceedings of the ASME 2014 Pressure Vessels and Piping Division Conference, Anaheim, CA, 2014.
  20. Dewees, D.J., Prueter, P.E., Kummari, S.R., A Continued Evaluation of the Role of Material Hardening Behavior for the NET TG1 and TG4 Specimens,PVP2014-28843, Proceedings of the ASME 2014 Pressure Vessels and Piping Division Conference, Anaheim, CA, 2014.
  21. Kummari, S.R., Bifano, M.F.P., Dewees, D.J., Large Eddy Simulation – Based Mixing Tee Analysis and Comparison with In-Service Failure Data, Abstract ID # 294027, Proceedings of 9th Global Congress on Process Safety, 2013 Spring Meeting, San Antonio, TX, 2013.
  22. Somayajula, S., Fayad, G., Crawford, R., Kummari, S.R., Dogdas, B., Purcell, M.L., McCracken, P., Cook, J.J., Motzel, S.L., Duong, L.T., Williams, D., Cabal, A., Comparing Treatment Effects of Odanacatib and Alendronate in Lumbar Vertebrae of Ovariectomized Rhesus Monkeys Using Quantitative Computed Tomography, ASBMR 2012 annual meeting, Minneapolis, MN, 2012.
  23. Kummari, S.R., Dewees, D.J., Brown, R., Finite Element Based Analysis of Bolted Joints under Extreme Loading Conditions,PVP2012-78541, Proceedings of the ASME 2012 Pressure Vessels and Piping Division Conference, Toronto, ON, Canada, 2012.
  24. Goff, M.G., Slyfield, C.R., Kummari, S.R., Tkachenko, E.V., Fischer, S.V., Yi, Y.H., Jekir, M.G., Keaveny, T.M., Hernandez, C.J., Three-Dimensional Characterization of Resorption Cavity Size and Location in Human Vertebral Trabecular Bone,Bone 51, pages 28-37, 2012.
  25. Somayajula, S., Kummari, S.R., Bredbenner, T., Dogdas, B., Szumiloski, J., Purcell, M.L., McCracken, P., Williams, D., Duong, T.L., Motzel, S.L., Cabal, A., Differentiation of Treatment Effects of Odanacatib from Alendronate in Ovariectomized Rhesus Monkeys Using Voxel Based Morphometry of Quantitative Computed Tomography Images, ASBMR 2011 annual meeting, San Diego, CA, 2011.
  26. Kummari, S.R., Experimental and Computational Evaluation of Microscopic Tissue Damage and Remodeling Cavities in Trabecular Bone,Ph.D. thesis, Case Western Reserve University, Cleveland, OH, May 2011.
  27. Kummari, S.R., Coan, T.A., Hernandez, C.J., Stress Concentration Factors of Remodeling Cavities on Rod-like and Plate-like Trabeculae, 57th annual meeting of the Orthopaedic Research Society, Long Beach, CA, 2011.
  28. Cabal, A., Kummari, S.R., Krause, S.M., Purcell, M.L., McCracken, P.J., Duong, L.T., Motzel, S.L., Dardzinski, B.J., Williams, D.S., Quantitative Computed Tomography based Finite Element Analysis to Estimate in-vivo Bone Strength of Proximal Femur in Odanacatib Treated Rhesus Monkey, ASBMR 2010 annual meeting, Toronto, ON, Canada, 2010.
  29. Kummari, S.R., Davis, A.J., Vega, L.A., Ahn, N., Cassinelli, E.H., Hernandez, C.J., Trabecular Microfracture Precedes Cortical Shell Failure in the Rat Caudal Vertebra Under Cyclic Overloading, Calcified Tissue International 2009; 85, pages 127-133, 2009.
  30. Kummari, S.R., Davis, A.J., Vega, L.A., Ahn, N., Cassinelli, E.H., Hernandez, C.J., Trabecular Microfracture Precedes Cortical Bone Failure During Cyclic Loading of Rat Vertebrae, 55th annual meeting of the Orthopaedic Research Society, Las Vegas, NV, 2009.