Faculty & Adjuncts

Steven Tipton, PhD, PE, FASM, FASME

Steven Tipton, PhD, PE, FASM, FASME
Frank W. Murphy Distinguished Professor of Mechanical Engineering
College of Engineering & Natural Sciences
Mechanical Engineering
918-631-2994 Stephenson Hall Room 2060

Education

PhD – Stanford University MS – Stanford University BS – Oklahoma State University

Bio

Steven Tipton is a recognized expert in mechanical design, with emphasis in the areas of multiaxial fatigue and plasticity design and analysis and coiled tubing mechanics. He is an active industry consultant and holder of 9 US patents. He is the director of the University of Tulsa Coiled Tubing Mechanics Research Consortium.

Research Interests

Fatigue and Fracture Mechanics
Plasticity
Residual Stress Analysis
Structural Integrity Analysis
Materials
Coiled Tubing Mechanics

Teaching Interests

Mechanical Engineering Design
Engineering Mechanics
Materials Science
Fatigue and Fracture Mechanics

Publications

Journal Articles

  • Coupon Specimen–Based Approach for the Simulation of Crossbore Stress and Strain State. Vol. 52, The Journal of Strain Analysis for Engineering Design, 2017, p. 112-20.
  • Comparison Between Nonlinear FEA and Notch Strain Analysis for Modeling Elastoplastic Stress-Strain Response in Crossbores. Vol. 118, International Journal of Mechanical Sciences, 2016, p. 45-54.

  • Kilambi, Sreelatha, and Steven Tipton. “Algorithm to Estimate Notch Root Strain in Tension Using Numerical Analysis.” Theoretical and Applied Fracture Mechanics 77 (2015): 1–13. Print.

  • Algorithm to Estimate Notch Root Strain in Tension Using Numerical Analysis. Vol. 77, Theoretical and Applied Fracture Mechanics, 2015, pp. 1-13.

  • Kilambi, Sreelatha, and Steven M. Tipton. “Numerical evaluation of the original “Neuber’s rule” for pure out-of-plane shear loading.” The Journal of Strain Analysis for Engineering Design 48.8 (2013): 522-535.

  • Kilambi, Sreelatha, and Steven M. Tipton. “Numerical evaluation of the original “Neuber’s rule” for pure out-of-plane shear loading.” The Journal of Strain Analysis for Engineering Design 48.8 (2013): 522-535.

  • Kilambi, S. and Tipton, S.M., Development of an algorithm to measure defect geometry using a 3D laser scanner Published 25 June 2012, 2012 IOP Publishing Ltd., Measurement Science and Technology, Volume 23, Number 8

  • Kilambi, S. and Tipton, S.M., Development of an algorithm to measure defect geometry using a 3D laser scanner Published 25 June 2012, 2012 IOP Publishing Ltd., Measurement Science and Technology, Volume 23, Number 8

  • Tipton, S., Schmidt, C., Sorem, J.R. “Stress Concentration Factor Solutions for Shoulder Filleted Shafts in Bending, Including the Influence of Tapering.” SAE International Journal of Materials and Manufacturing 4.1 (2011): 638–650. Print.

  • Breidenthal, C., Larín, G.E., Tipton, S.M., Stanley, and R.K. “The Use of Finite-Element-Calculated Magnetic-Flux-Leakage Signals to Study the Characterization of Defects in Steel Coiled Tubing.” SPE Journal 14.1 (2009): 120–127. Print.

  • Rolovic, R., Tipton, S.M., Sorem Jr., J.R. “Multiaxial Stress Concentration in Filleted Shafts.” Journal of Mechanical Design, Transactions of the ASME 123.2 (2001): 300–303. Print.

  • Tipton, S.M. “Coiled-Tubing Surface Characteristics and Effects on Fatigue Behavior.” SPE Drilling and Completion 15.1 (2000): 63–66. Print.

  • Badr, E.A, Sorem, J.R, Tipton, S.M, Yang, and S. “An Analytical Procedure for Estimating Residual Stresses in Blocks Containing Crossbores.” International Journal of Pressure Vessels and Piping 77.12 (2000): 737–749. Print.

  • Evaluation of the Autofrettage Effect on Fatigue Lives of Steel Blocks With Crossbores Using a Statistical and a Strain-Based Method. Vol. 28, Journal of Testing and Evaluation, 2000, pp. 181-8.

  • Rolovic, R., Tipton, S.M. “Multiaxial Cyclic Ratcheting in Coiled Tubing – Part I: Theoretical Modeling.” Journal of Engineering Materials and Technology, Transactions of the ASME 122.2 (2000): 157–161. Print.

  • Rolovic, R., Tipton, S.M. “Multiaxial Cyclic Ratcheting in Coiled Tubing – Part II: Experimental Program and Model Evaluation.” Journal of Engineering Materials and Technology, Transactions of the ASME 122.2 (2000): 162–167. Print.

  • Badr, E.A., Sorem, J.R., Tipton, S.M. “Residual Stress Estimation in Crossbores with Bauschinger Effect Inclusion Using FEM and Strain Energy Density.” Journal of Pressure Vessel Technology, Transactions of the ASME 121.4 (1999): 358–363. Print.

  • Tipton, S.M. “Coiled-Tubing Deformation Mechanics: Diametral Growth and Elongation.” SPE Production and Facilities 13.3 (1998): 194–199. Print.

  • TiptonS. Coiled-Tubing Surface Characteristics and Effects on Fatigue Behavior. Vol. 49, JPT, Journal of Petroleum Technology, 1997, pp. 612-3.
  • Advances in Multiaxial Fatigue Life Prediction for Components With Stress Concentrations. Vol. 19, International Journal of Fatigue, 1997, pp. 503-15.
  • Updated Stress Concentration Factors for Filleted Shafts in Bending and Tension. Vol. 118, Journal of Mechanical Design, Transactions of the ASME, 1996, pp. 321-7.
  • Multiaxial Stress Concentration in an Externally Pressurized Cylinder With an External Circumferential Groove. Vol. 117, Journal of Pressure Vessel Technology, Transactions of the ASME, 1995, pp. 404-9.
  • Notch Stress and Strain Estimation Considering Multiaxial Constraint. SAE Technical Papers, 1993.
  • Effect of Proof Loading on the Fatigue Bahavior of Open Link Chain. Vol. 114, Journal of Engineering Materials and Technology, Transactions of the ASME, 1992, pp. 27-33.
  • The Effect of Proof Loading on the Fatigue Behaviour of Stud Link Chain. Vol. 14, International Journal of Fatigue, 1992, pp. 35-40.
  • TiptonS. A Review of the Development and Use of neuber’s Rule for Fatigue Analysis. SAE Technical Papers, 1991.
  • Design Curves for Maximum Stresses in Blocks Containing Pressurized Bore Intersections. Vol. 113, Journal of Mechanical Design, 1991, pp. 427-31.

Conference Proceedings

Book Chapters

  • “Fatigue Behavior of Fluid End Crossbore Using a Coupon-Based Approach”. Fracture, Fatigue, Failure and Damage Evolution, Volume 8, Springer, Cham, 2016, p. 115-23.
  • “Notch Strain Analysis of Crossbore Geometry”. Fracture, Fatigue, Failure and Damage Evolution, Volume 8, Springer, Cham, 2016, p. 125-33.

Other

  • Tipton, S.M. and Daily, J.S., “Internal Thread Strip-out Tests Yield Surprising Results,” Machine Design, Online at http://machinedesign.com/article/internal-thread-strip-out-tests-yield-surprising-results-
    0113?page=0%2C11 3 Jan 2011.

  • Tipton, S.M. and Daily, J.S., “Internal Thread Strip-out Tests Yield Surprising Results,” Machine Design, Online at http://machinedesign.com/article/internal-thread-strip-out-tests-yield-surprising-results-
    0113?page=0%2C11 3 Jan 2011.

Courses Taught

  • Interdisciplinary Design Projects
  • Mechanics of Materials
  • Structural Fatigue
  • Mechanical Engineering Design
  • To Be a Mechanical Engineer
  • Independent Study

Awards & Honors

  • SAE Ralph Teetor Engineering Educator Award
  • Fellow of ASME
  • Fellow of ASM
  • OSPE Outstanding Engineer Award
  • Tulsa University Outstanding Teacher Award
  • Henry R. Worthinton Medal: ASME Petroleum Division
  • Outstanding Teacher Award