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Professor Donald MacKenzie

Mechanical and Aerospace Engineering

Expertise

Has expertise in:

    • Finite element analysis
    • Pressure Vessel Design
    • Linear & non-linear analysis of structures & components
    • Design by analysis assessment - elastic and inelastic

Publications

Multi-objective optimization of hyperelastic material constants : a feasibility study
Connolly Stephen John, MacKenzie Donald, Comlekci Tugrul
10th European Conference on Constitutive Models for Rubbers, (2017)
Hyperelastic material characterisation of rubber by means of novel experimentation and reverse engineering
Connolly S., MacKenzie D.
10th European Conference on Constitutive Models for Rubbers, (2017)
Implementation of plasticity model for a steel with mixed cyclic softening and hardening and its application to fatigue assessments
Okorokov Volodymyr, Comlekci Tugrul, MacKenzie Donald, van Rijswick Ralph, Gorash Yevgen
Fatigue 2017 Proceedings of the 7th Engineering Integrity Society International Conference on Durability & Fatigue, pp. 72-81, (2017)
Consideration of weld distortion throughout the identification of fatigue curve parameters using mean stress correction
Gorash Yevgen, Zhou Xingguo, Comlekci Tugrul, Mackenzie Donald, Bayyouk Jacob
FATIGUE 2017, pp. 366-377, (2017)
On cyclic yield strength in definition of limits for characterisation of fatigue and creep behaviour
Gorash Yevgen, MacKenzie Donald
Open Engineering Vol 7, pp. 126-140, (2017)
http://dx.doi.org/10.1515/eng-2017-0019
Investigation of fatigue assessments accuracy for beam weldments considering material data input and FE-mode type
Gorash Yevgen, Comlekci Tugrul, MacKenzie Donald
Journal of Physics: Conference Series Vol 843, (2017)
http://dx.doi.org/10.1088/1742-6596/843/1/012025

more publications

Projects

Effect of Fluid End Geometry and Autofrettage Process on Fluid End Field Life
Gorash, Yevgen (Co-investigator) Zhou, Xingguo (Co-investigator) Okorokov, Volodymyr (Researcher) MacKenzie, Donald (Principal Investigator)
Weir SPM (WSPM) manufactures a range of positive displacement pumps typically used for concrete pumping or fracking operations where the pump is subjected to high cyclic pressure and stresses and a severe environment that leads to corrosion and erosion. The pumps are manufactured in low alloy and stainless steel materials according to customer requirements.

Investigators at the University of Strathclyde (UoS) Department of Mechanical and Aerospace Engineering (MAE) previously generated IP related to the WSPM pumps (Mousetrap Project) which when transferred to Weir SPM resulted in major improvement to pump service life:
•Autofrettage pressure optimisation methodologies based on the ASME BPVC Div. 3, Section 8 fatigue assessment.
•Crossbore geometry optimisation and stress reduction using offset bores.
•Valve seat deck geometry optimisation that reduces the stresses in the inlet valve region.

The Research and Development projects proposed here address 3 areas of fluid end design and manufacture:
1.The significance of autofrettage of stainless steel fluid ends to corrosion-fatigue life.
2.Potential improvement of the autofrettage process for alloy steel fluid ends.
3.The significance of offset bore geometry to corrosion-fatigue life of fluid ends.

The contribution of autofrettage to corrosion fatigue life will be quantified through fatigue tests of pre-stressed, double notch material specimens of the form defined. The double notch specimens provide a relatively inexpensive means of simulating the autofrettage residual stress at cross bore regions of fluid ends by preloading the specimen prior to fatigue testing. 30 tests are proposed to cover a range of representative residual stress levels at appropriate working load levels. Fatigue testing will be outsourced to Doosan Babcock.
Period 01-Nov-2017 - 31-Mar-2018
Rolls Royce Civil PhD 2
MacKenzie, Donald (Principal Investigator) Boyle, James (Co-investigator)
Period 01-Nov-2016 - 30-Apr-2020
Rolls Royce Civil PhD 1
MacKenzie, Donald (Principal Investigator) Boyle, James (Co-investigator)
Period 01-Nov-2016 - 30-Apr-2020
Doctoral Training Partnership (DTP 2016-2017 University of Strathclyde) | Connolly, Stephen John
MacKenzie, Donald (Principal Investigator) Gorash, Yevgen (Co-investigator) Connolly, Stephen John (Research Co-investigator)
Period 01-Oct-2016 - 01-Apr-2020
Collaborative Training Account | Olsson Robbie, Mikael
MacKenzie, Donald (Co-investigator)
Period 01-Sep-2008 - 09-Sep-2016
UK Centre for Hydraulic Fracturing Equipment
Corney, Jonathan (Principal Investigator) MacKenzie, Donald (Co-investigator) Rentizelas, Athanasios (Co-investigator) Shipton, Zoe (Co-investigator)
Period 05-Feb-2015 - 31-Dec-2015

more projects

Address

Mechanical and Aerospace Engineering
James Weir Building

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