Contact Address
University of Stavanger
Faculty of Science and Technology
N-4036 Stavanger, Norway
Tel.: +47-51832173,
Fax.: +47-51831750
E-mail: Hirpa.g.lemu@uis.no
or Hirpa@ux.uis.no
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PhD
Supervision and review
research
Alumni and PhD candidateS (ongoing and
completed PhD works)
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Eshetu
Tadesse (Fall 2024 - Spring 2027), Sandwich
Jimma University & University of Stavanger
Thesis working title: Analyzing the Effects of Material Degradation
of Solar Cell on Energy Conversion (Funded by NORHED II, INDMET project).
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Kokeb
H. Jiru (2024 - 2026), Sandwich
Jimma University & University of Stavanger
Thesis working title: Developing
Innovative 3D Printable Bio-composite from Flax Fiber and Chlorella
Vulgaris
Derived
PLA (Funded by NORHED II, INDMET project).
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Robsan
A. Asefa (Fall 2024 - Spring 2027), Sandwich
Wollega University & University of Stavanger
Thesis working title: Optimization of 4D printing in robotized laser beam incremental sheet forming based on machine learning (Funded by NORHED II, INDMET project).
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Debela
N. Gurmu (Fall 2023 - Spring 2027), Sandwich
Silesian University of Technology (Poland) & University of Stavanger
(Norway)
Thesis working title: Failure mechanism of carbon foam materials.
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Muleta
T. Lemi (2023 - 2025), Sandwich
Wollega University & University of Stavanger
Thesis working title: Study and optimization of parameters
affecting the strength of 3D printed part produced by offsetting the
layers in fused deposition modeling (FDM) (Funded by NORHED II,
INDMET project)
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Tishager
T. Teriya (2023 - 2025), Sandwich
Wollega University & University of Stavanger
Thesis working title: Investigation and Optimization of Casting
Defects of Rear Sight Base Part of AK47 Developed by Investment
Casting Process (Funded by NORHED II, INDMET project).
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Tamana
Dabasa (2023 - 2026, admitted at AASTU)
Thesis title (tentative): Nature Inspired Energy Dissipation
Mechanisms for Enhanced Crashworthiness and Impact Protection
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Fakada
D Gurmesa (2021 - 2024), Sandwich Jimma University &
University of Stavanger
Thesis title (tentative): Topology
Optimization of Wire Arc Additive Manufacturing (Funded by NORHED
II, INDMET project)
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Yosef
W Adugna (2021 - 2025)
Thesis title: Additive Manufacturing Technologies in Clinical and
Tissue Engineering Applications: Workflow validation, Anatomical
Accuracy, Orthopedic Modeling and Functional Scaffold Design (Defended,
September 2025)
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Tekalign
Lemma (2021 - 2024, admitted at WU)
Thesis title (Tentative): Direct and
Moderating Effects of Additive Manufacturing on Supply Chain
Complexity and Performance: A Case of Footwear Industry in Ethiopia
(Defended, Januaryl 2025)
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Naol
D. Dejene (2021 - 2024), Sandwich
Wollega University & University of Stavanger
Thesis title: Effects of Process Parameters on the Quality of Metal
Additive Manufacturing in Laser Powder Bed Fusion Systems
(Funded by NORHED II, INDMET project)
(Defended, January 2025)
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Mathias
Sæterbø (2021 - 2025) (Co-supervisor, admitted to Arctic University
of Norway, UiT - Narvik Campus)
Thesis title: Framing disrupting technologies for
sustainable agile manufacturing
(Defended, December 2024)
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Abera
Endesha (2019 -2022, admitted at ASTU, Ethiopia)
Thesis title: Investigating the Mechanical, Physical, Machining and
Tribological Behaviors of Enset and Sisal Fiber Hybrid Reinforced
Polyester Composite
(Defended, April 2023)
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Øyvind
Karlsen (2018 - 2021), Industrial PhD
Thesis title: Effect and
Consequence Analysis of Using Expandable PIN Technology in Diverse
Heavy Machinery.
(Defended, March 2023)
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Yohannes
Regassa (2017 - 2021) (Admitted at AAUST, Ethiopia)
Theis tiltel: Design, Material Characterization and
Manufacturability of Self-Healing Polymer Composites.
(Defended, January 2022)
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Abdulbasit
M. Aliyi (2017 -2021) (Admitted at AAUST, Ethiopia)
Thesis title: Design, Modeling and Simulation of Optimum Wind
Turbine Blade for Water Pumping at Specific Sites. (Defended,
Sept. 2023)
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Aboma
W. Gebissa (2017 - 2021)
Thesis title: Design
procedures and material characterization of parts produced by additive
fabrication (Defended,
June 2019)
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Endashaw
T. Woldemariam (2014 - 2017)
Thesis title: Numerical Simulation and Customized DACM Based
Design Optimization: A focus on performance improvement of micro
cross-flow hydro turbine designs
(Defended, April
2018)
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Ina
Nikolova (Co-supervision, admitted to Technical University of Sofia,
Sliven, Bulgaria) (Defended)
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Amir
Safari (2010 - 2013)
Title:
Numerical Simulation Driven Product
Design Optimization for Improved Performance A focus on
high-dimensional expensive blackbox optimization
problems (Defended, Dec. 2014)
Services
as PhD opponent
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K.
D. Ayana (Addis Ababa University, College of Technology and Built
Environment, Sept. 2025) External examiner
Formulation and Characterization of
Wood Polymer Composites from Ethiopian Lowland Bamboo Fibrous
particles and Recycled Thermoplastic Polyblends
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Md S. Alam (National Institute of Technology,
Patna, India, 2023) -
International
examiner
Experimental Investigation on High Temperature Oxidation and Hot
Corrosion Behaviour of WC-CoCr Plasma sprayed coatings on AISI 316L
Steel Substrate
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A. Bhaskar (UiS, Norway,
June 2023) - Administrator (3rd opponent)
Techno-economic assessment of decarbonization technologies for the
iron and steel industry
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B.T.
Amena (AASTU, Ethiopia, June 2023) External Opponent)
Experimental Investigation of Physical and Mechanical Properties of
Coffee Husk Fiber-reinforced Polymer Composites for aotomobile
Applications
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F. Bjørheim (UiS, Norway, 2022) - Administrator (3rd opponent)
Fatigue of structural and
additively manufactured steels: Damage assessment and modelling
techniques
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H.
Nordal (UiS, Norway, 2022) - Administrator (3rd opponent)
Modelling and simulation for intelligent maintenance: A case study
on centrifugal gas export compressor in oil and gas transport system
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F.N.
Mullaveettil (Kaunas University of Technology, Lithuania, 2021)
Additive manufacturing and
experimental research of polyvinylidene fluoride cellular structures
and transducers
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P. Chelishchev (NTNU, Norway, 2020) - Second Opponent
Sample Strategies, Data Processing and Algorithms for Coordinate
Measurements
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M.W.
wakjira (Adama Science & Technology University, Ethiopia, 2019),
International examiner
Assessment of Product
Sustainability through Different Optimization Techniques
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S.A.
Santosh (Anna University, India, 2018), International
examiner
Experimental Investigation and Parametric Optimization of Rejection
Ratein the Ductile Iron Foundray Using Conventional and Meta-Heuristic
Approach
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Z.
Li (NTNU, Norway, 2018) - Second Opponent
Deep Learning Driven Approaches for
Predictive Maintenance: A framework of Intelligent Diagnosis and
Prognosis in the Industry 4.0 Era
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J. Huo (NTNU, Norway,
2017)- Second Opponent
Functionally graded materials for highly stressed components
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A.
Amani (TUDelft, The Netherlands, 2016) - External Opponent
Computationally
Efficient Analysis and Design of Optimally Compact Gear Pairs and
Assessment of Gear Compliance
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S.
Potnuru (National Institute of Technology, Rourkela, India, 2016) -
International
examiner
Numerical, analytical and experimental analysis of combined extrusion
forging processes applied to collet chuck holders
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T.
Palmé (UiS, Norway, 2016) - Administrator (3rd opponent)
Application of Artificial Neural Networks to Monitoring of Power
Plants.
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A.R.
Yadao (National Institute of Technology, Rourkela, India, 2016) - International
examiner
Dynamic Analysis of Cracked
Rotor in Viscous Medium and its Crack Diagnosis using Intelligent
Techniques
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H.
N. Somehsaraei (UiS, Norway,
2016)- Administrator (3rd opponent)
On Experimental and Theoretical Studies of Fuel Flexible Micro Gas
Turbine Systems
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J. Beer
(UiS, Norway, 2015) - Administrator (3rd opponent)
Analysis and Management of Bottlenecks in Supply Networks: Towards a structured approach to stabilization of
inbound material flow.
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J.
Persson (Linköping University, Sweden, 2015) - Main Opponent
Efficient Optimization of Complex Products: A simulation and
surrogate model based approach
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D. B. Seneviratne
(UiS, Norway, 2015)- Administrator (3rd opponent)
Risk Based In-Service Inspection Planning: Modeling, integration and mechanization
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M. Mansouri
(UiS, Norway, 2014) - Administrator (3rd opponent)
Integrated gasification combined cycle power plants
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Q. Yu
(NTNU, Norway, 2015) - Second Opponent
New Approaches for Automated Intelligent Quality Inspection System
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Z.
Zhang (NTNU, Norway, 2014) - Second Opponent
Data Mining Approaches for Intelligent Condition-based Maintenance - A Framework
of Intelligent Fault Diagnosis and Prognosis System (IFDPS)
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