2025

• He, Xu; Welo, Torgeir; Ma, Jun. (2025) In-process monitoring strategies and methods in metal forming: A selective review. Journal of Manufacturing Processes
  Academic literature review

2024

• He, Xu; Welo, Torgeir; Ma, Jun. (2024) In-process, real-time monitoring of forming forces in rotary draw bending process. The International Journal of Advanced Manufacturing Technology
  Academic article
• Sariyarlioglu, Eren Can; Welo, Torgeir; Ma, Jun. (2024) On the mechanisms of charge weld evolution in aluminum extrusion. Journal of Manufacturing Processes
  Academic article
• Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2024) Smart Control of Springback in Stretch Bending of a Rectangular Tube by an Artificial Neural Network. Journal of Manufacturing Science and Engineering
  Academic article
• Sariyarlioglu, Eren Can; Negozio, Marco; Welo, Torgeir; Ma, Jun. (2024) Charge weld evolution in hollow aluminum extrusion: Experiments and modeling. CIRP - Journal of Manufacturing Science and Technology
  Academic article
• Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2024) Formability prediction of perforated sheet metal by representative volume element and homogenized sheet models. Manufacturing Letters
  Academic article
• Filipovic, Andy Mattulat; Welo, Torgeir; Oehmen, Josef. (2024) Developing readiness levels for risk assessment in green transition engineering projects. Proceedings of the Design Society
  Academic article
• Sariyarlioglu, Eren Can; Welo, Torgeir; Ma, Jun. (2024) Prediction of longitudinal seam weld quality in multi-chamber aluminium extrusion . Materials Research Forum LLC
  Academic chapter/article/Conference paper
• Mostafayi Darmian, Sobhan; Sgarbossa, Fabio; Welo, Torgeir. (2024) A Fisher-Based Framework for the Circular Integration of Product Development and Supply Chain Design. IFAC-PapersOnLine
  Academic article

2023

• Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2023) Towards Control of Springback Variability in Novel Flexible Stretch Forming of Aluminium Extrusions. Springer Nature Springer Nature
  Academic anthology/Conference proceedings
• Mostafayi Darmian, Sobhan; Sgarbossa, Fabio; Welo, Torgeir. (2023) Integrating Closed-Loop Supply Chain Design-Planning into Product Development: A Systematic Literature Review. Springer
  Academic chapter/article/Conference paper
• Sariyarlioglu, Eren Can; Negozio, Marco; Ma, Jun; Welo, Torgeir; Ringen, Geir. (2023) Effect of Die Design on Charge Welds in Aluminium Extrusion. Springer Springer
  Academic anthology/Conference proceedings
• Synnes, Elisabeth Lervåg; Welo, Torgeir. (2023) Data-driven product optimization capabilities to enhance sustainability and environmental compliance in a marine manufacturing context. Concurrent Engineering: Research and Applications (CERA)
  Academic article
• Filipovic, Andy Mattulat; Welo, Torgeir; Willumsen, Pelle; Oehmen, Josef. (2023) UNCERTAINTY MANAGEMENT IN PRODUCT DEVELOPMENT PORTFOLIOS: THE IMPACT OF GLOBAL SUSTAINABILITY AGENDAS. Proceedings of the Design Society
  Academic literature review
• Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2023) Prediction and analysis of real-time forces in novel 3D flexible rotary stretch forming of complex profiles. CIRP - Journal of Manufacturing Science and Technology
  Academic article
• Tronvoll, Sigmund Arntsønn; Treffen, Helena; Ma, Jun; Welo, Torgeir. (2023) Low-cost tooling concept for customized tube bending by the use of additive manufacturing. Materials Research Proceedings (MRP)
  Academic article
• Williams, William Matthew; Sandnes, Lise; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2023) Yield stress and work hardening behavior of extruded AA6082 profiles under different homogenization and extrusion conditions. Materials Research Proceedings (MRP)
  Academic article
• Zhou, Xianyan; Ma, Jun; Zhou, Wenbin; Welo, Torgeir. (2023) Forming-based geometric correction methods for thin-walled metallic components: a selective review. The International Journal of Advanced Manufacturing Technology
  Academic literature review
• Sarkar, Aritra; Razavi, Nima; Ringen, Geir; Welo, Torgeir. (2023) Assessing the fatigue behaviour of recycled Al-alloys: A critical review. Materialia
  Academic article
• Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2023) On Kinematics in Sequential Three-Dimensional Stretch Bending: Analytical Springback Model. Journal of Manufacturing Science and Engineering
  Academic article

2022

• He, Xu; Ma, Jun; Welo, Torgeir. (2022) Strain distribution at the transition from bent to unbent regions in tube rotary draw bending: an in-situ, real-time measurement study. IOP Conference Series: Materials Science and Engineering
  Academic article
• Wang, Xintong; Ma, Jun; Welo, Torgeir. (2022) Influence of deformation prior to ageing on fatigue behavior of extruded AA6082-T6 profiles. International Journal of Fatigue
  Academic article
• Ringen, Geir; Welo, Torgeir; Breivik, Sissel Marie. (2022) Rapid Manufacturing of Die-casting Tools - a Case Study. Procedia CIRP
  Academic article
• Shafqat, Ali; Oehmen, Josef; Welo, Torgeir; Ringen, Geir. (2022) The role of risk mitigation actions in engineering projects: An empirical investigation. Systems Engineering
  Academic article
• Zhou, Xianyan; Ma, Jun; Welo, Torgeir. (2022) Numerical Analyses of Deformation Mechanisms in a Novel Dimensional Calibration Technique for Thin-Walled, Open Extrusions. Key Engineering Materials
  Academic article
• Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Ringen, Geir. (2022) On Dimensional Control in Rotary Stretch Bending of Aluminum Profiles: Loading-Path Effects. Manufacturing Letters
  Academic article
• Tronvoll, Sigmund Arntsønn; Ma, Jun; Welo, Torgeir. (2022) Deformation behavior in tube bending: a comparative study of compression bending and rotary draw bending. The International Journal of Advanced Manufacturing Technology
  Academic article
• Tronvoll, Sigmund Arntsønn; Blindheim, Jørgen; Ma, Jun; Welo, Torgeir. (2022) A new, flexible tool concept for rotary die stretch bending. Manufacturing Letters
  Academic article
• He, Xu; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. (2022) In-Process Monitoring of Springback in Industrial Bending Using a Laser Sensor-Based Method. Key Engineering Materials
  Academic article
• Synnes, Elisabeth Lervåg; Welo, Torgeir. (2022) Using Lean to Transform the Product Development Process in a Marine Company: A Case Study. Procedia CIRP
  Academic article

2021

• Erichsen, Jorgen Falck; Sjöman, Heikki; Steinert, Martin; Welo, Torgeir. (2021) Protobooth: Gathering and analyzing data on prototyping in early-stage engineering design projects by digitally capturing physical prototypes. Artificial intelligence for engineering design, analysis and manufacturing
  Academic article
• Ma, Jun; Welo, Torgeir; Wan, Di. (2021) The impact of thermo-mechanical processing routes on product quality in integrated aluminium tube bending process. Journal of Manufacturing Processes
  Academic article
• Shafqat, A.; Oehmen, Josef; Welo, Torgeir. (2021) Planning unplanned design iterations using risk management and learning strategies. Journal of engineering design
  Academic article
• Zhou, Xianyan; Welo, Torgeir; Ma, Jun; Tronvoll, Sigmund A.. (2021) Deformation characteristics in a stretch-based dimensional correction method for open, thin-walled extrusions. Metals
  Academic article
• Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir; Ringen, Geir. (2021) Bridging the ‘Valley of Death’: Can Agile Principles Be Applied in Industry-Academia Research and Innovation Projects?. Journal of the Knowledge Economy
  Academic article
• Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2021) A strategy for on-machine springback measurement in rotary draw bending using digital image-based laser tracking. The International Journal of Advanced Manufacturing Technology
  Academic article
• Ma, Jun; Li, H; Chen, GY; Welo, Torgeir; Li, GJ. (2021) Machine Learning (ML)-Based Prediction and Compensation of Springback for Tube Bending. Springer
  Academic chapter/article/Conference paper
• Wied, Morten; Oehmen, Josef; Welo, Torgeir; Pikas, Ergo. (2021) Wrong, but not failed? A study of unexpected events and project performance in 21 engineering projects. International Journal of Managing Projects in Business
  Academic article
• Ringen, Geir; Welo, Torgeir. (2021) Material substitution innovation - trajectories towards circular economy. ISPIM Lappeenranta University of Technology Press
  Academic chapter/article/Conference paper
• Sandnes, Lise; Welo, Torgeir; Grong, Øystein; Berto, Filippo. (2021) On the fatigue properties of a third generation aluminium-steel butt weld made by hybrid metal extrusion & bonding (HYB). International Journal of Fatigue
  Academic article
• Ma, Jun; Welo, Torgeir; Blindheim, Jørgen; Ha, Taekwang. (2021) Effect of Stretching on Springback in Rotary Stretch Bending of Aluminium Alloy Profiles. Key Engineering Materials
  Academic article
• Ma, Jun; Welo, Torgeir. (2021) Analytical springback assessment in flexible stretch bending of complex shapes. International journal of machine tools & manufacture
  Academic article

2020

• Welo, Torgeir; Ringen, Geir; Rossi, Monica. (2020) Investigating Maturity of Lean Culture in Product Development Teams. Lecture Notes in Networks and Systems
  Academic article
• Guan, Shuai; Wan, Di; Solberg, Klas; Berto, Filippo; Welo, Torgeir; Yue, Tai Man. (2020) Additively manufactured CrMnFeCoNi/AlCoCrFeNiTi0.5 laminated high-entropy alloy with enhanced strength-plasticity synergy. Scripta Materialia
  Academic article
• Ha, Taekwang; Ma, Jun; Blindheim, Jørgen; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2020) In-line Springback Measurement for Tube Bending Using a Laser System. Procedia Manufacturing
  Academic article
• Ma, Jun; Ha, Taekwang; Blindheim, Jørgen; Welo, Torgeir; Ringen, Geir; Li, Heng. (2020) Exploring the Influence of Pre/Post-Aging on Springback in Al-Mg-Si Alloy Tube Bending. Procedia Manufacturing
  Academic article
• Ringen, Geir; Welo, Torgeir. (2020) Material substitution innovation - trajectories towards circular economy. ISPIM Lappeenranta University of Technology Press
  Academic chapter/article/Conference paper
• Beste, Carina; Welo, Torgeir; Olsson, Nils. (2020) Influence of Complexity, Innovation, Newness and Learning on Project Success in New Development Projects: A Study in Manufacturing Industry. The American Society of Mechanical Engineers (ASME)
  Academic chapter/article/Conference paper
• Wied, Morten; Oehmen, Josef; Welo, Torgeir. (2020) Conceptualizing resilience in engineering systems: An analysis of the literature. Systems Engineering
  Academic article
• Wied, Morten; Koch-Ørvad, Nina; Welo, Torgeir; Oehmen, Josef. (2020) Managing exploratory projects: A repertoire of approaches and their shared underpinnings. International Journal of Project Management
  Academic article
• Leoni, Francesco; Grong, Øystein; Sandnes, Lise; Welo, Torgeir; Berto, Filippo. (2020) Finite element modelling of the filler wire feeding in the hybrid metal extrusion & bonding (HYB) process. Journal of Advanced Joining Processes
  Academic article
• Welo, Torgeir; Ringen, Geir; Ma, Jun. (2020) An overview and evaluation of alternative forming processes for complex aluminium products. Procedia Manufacturing
  Academic article
• Beste, Carina; Welo, Torgeir; Olsson, Nils. (2020) Influence of innovation, complexity and newness on success in new product development projects: a survey in Norwegian manufacturing industry. Proceedings of the Design Society: DESIGN Conference
  Academic article
• Ha, Taekwang; Murudkar, Rahul; Hartwig, Karl; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2020) A feasibility study of continuous grain refinement of sheet metal. Procedia Manufacturing
  Academic article
• Sandnes, Lise; Grong, Øystein; Welo, Torgeir; Berto, Filippo. (2020) Fatigue properties of AA6060-T6 butt welds made by hybrid metal extrusion & bonding. Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
  Academic article
• Ringen, Geir; Holtskog, Halvor; Welo, Torgeir. (2020) A Novel Value Driven Co-creation Framework. Springer Nature
  Academic chapter/article/Conference paper
• Blindheim, Jørgen; Elverum, Christer Westum; Welo, Torgeir; Steinert, Martin. (2020) Concept evaluation in new product development: A set-based method utilizing rapid prototyping and physical modelling. Journal of Engineering, Design and Technology
  Academic article
• Blindheim, Jørgen; Grong, Øystein; Welo, Torgeir; Steinert, Martin. (2020) On the mechanical integrity of AA6082 3D structures deposited by hybrid metal extrusion & bonding additive manufacturing. Journal of Materials Processing Technology
  Academic article
• Raknes, Christian Arne; Ma, Jun; Welo, Torgeir; Paulsen, Frode. (2020) A new mechanical calibration strategy for U-channel extrusions. The International Journal of Advanced Manufacturing Technology
  Academic article
• Welo, Torgeir; Ma, Jun; Blindheim, Jørgen; Ha, Taekwang; Ringen, Geir. (2020) Flexible 3D Stretch Bending of Aluminium Alloy Profiles: An Experimental and Numerical Study. Procedia Manufacturing
  Academic article

2019

• Moldavska, Anastasiia; Welo, Torgeir. (2019) A Holistic approach to corporate sustainability assessment: Incorporating sustainable development goals into sustainable manufacturing performance evaluation. Journal of manufacturing systems
  Academic article
• Shafqat, Ali; Oehmen, Josef; Welo, Torgeir; Willumsen, Pelle. (2019) The cost of learning from failures and mistakes in product design: Reviewing the literature. Proceedings of the International Conference on Engineering Design
  Academic article
• Blindheim, Jørgen; Welo, Torgeir; Steinert, Martin. (2019) Investigating the mechanics of hybrid metal extrusion and bonding additive manufacturing by FEA. Metals
  Academic article
• Barua, Deep; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2019) An experimental study on interference friction welding process. Procedia Manufacturing
  Academic article
• Schjøtt-Pedersen, Nikolai; Welo, Torgeir; Ringen, Geir; Raknes, Christian Arne. (2019) Using set-based design for developing a 3D metal forming process. Procedia CIRP
  Academic article
• Erichsen, Jorgen Falck; Welo, Torgeir; Steinert, Martin. (2019) On Digitally Capturing Prototypes from Ongoing Early-Stage Product Development Projects: A Technology-Focused Approach to Enabling Research on Prototype-Driven Projects. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (209)
  Doctoral dissertation
• Beste, Carina; Welo, Torgeir; Ringen, Geir. (2019) Newness and Outcomes in Commodity-Driven New-Product Development Projects: A Survey in the Norwegian Manufacturing Industry. Procedia CIRP
  Academic article
• Solberg, Klas; Guan, Shuai; Javad Razavi, Nima; Welo, Torgeir; Chan, Kang Cheung; Berto, Filippo. (2019) Fatigue of additively manufactured 316L stainless steel: The influence of porosity and surface roughness. Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
  Academic article
• Erichsen, Jorgen Falck; Wulvik, Andreas; Steinert, Martin; Welo, Torgeir. (2019) Efforts on Capturing Prototyping and Design Activity in Engineering Design Research. Procedia CIRP
  Academic article
• Guan, Shuai; Solberg, Klas; Wan, Di; Berto, Filippo; Welo, Torgeir; YUE, TM. (2019) Formation of fully equiaxed grain microstructure in additively manufactured AlCoCrFeNiTi0.5 high entropy alloy. Materials & design
  Academic article
• Guan, Shuai; Wan, Di; Solberg, Klas; Berto, Filippo; Welo, Torgeir; Yue, Tai Man. (2019) Additive manufacturing of fine-grained and dislocation-populated CrMnFeCoNi high entropy alloy by laser engineered net shaping. Materials Science & Engineering: A
  Academic article
• Sandnes, Lise; Romere, Luca; Grong, Øystein; Berto, Filippo; Welo, Torgeir. (2019) Assessment of the Mechanical Integrity of a 2 mm AA6060-T6 Butt Weld Produced Using the Hybrid Metal Extrusion & Bonding (HYB) Process – Part II: Tensile Test Results. Procedia Structural Integrity
  Academic article
• Tronvoll, Sigmund Arntsønn; Vedvik, Nils Petter; Elverum, Christer Westum; Welo, Torgeir. (2019) A new method for assessing anisotropy in fused deposition modeled parts using computed tomography data. The International Journal of Advanced Manufacturing Technology
  Academic article
• Welo, Torgeir. (2019) From the Factory Floor to New Product Development: Development and Implementation of a Lean Assessment Tool.
  Academic chapter/article/Conference paper
• Blindheim, Jørgen; Steinert, Martin; Welo, Torgeir. (2019) On Solid-State Deposition of Metal Structures - Conceptualization of a New Additive Manufacturing Method based on Hybrid Metal Extrusion & Bonding. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
  Doctoral dissertation
• Blindheim, Jørgen; Welo, Torgeir; Steinert, Martin. (2019) First demonstration of a new additive manufacturing process based on metal extrusion and solid-state bonding. The International Journal of Advanced Manufacturing Technology
  Academic article
• Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir. (2019) Exploring framework for university-industry innovation projects: Building collaborative knowledge platform. Proceedings of the European Conference on Knowledge Management
  Academic article
• Shafqat, Ali; Welo, Torgeir; Oehmen, Josef; Willumsen, Pelle; Wied, Morten. (2019) Resilience in Product Design and Development Processes: A Risk Management Viewpoint. Procedia CIRP
  Academic article
• Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir. (2019) Managing Knowledge in Manufacturing Industry -University Innovation Projects. Springer
  Academic chapter/article/Conference paper
• Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir; Giske, Lars André Langøyli. (2019) University-Industry Collaboration Projects: A Case of Norway. Proceedings of the International Conference on Intellectual Capital, Knowledge Management and Organisational Learning, ICICKM
  Academic article
• Sandnes, Lise; Romere, Luca; Berto, Filippo; Welo, Torgeir; Grong, Øystein. (2019) Assessment of the Mechanical Integrity of a 2 mm AA6060-T6 Butt Weld Produced Using the Hybrid Metal Extrusion & Bonding (HYB) Process – Part I: Bend Test Results. Procedia Manufacturing
  Academic article
• Welo, Torgeir; Lycke, Atle; Ringen, Geir. (2019) Investigating the use of set-based concurrent engineering in product manufacturing companies. Procedia CIRP
  Academic article
• Tronvoll, Sigmund Arntsønn; Popp, Sebastian; Elverum, Christer Westum; Welo, Torgeir. (2019) Investigating pressure advance algorithms for filament-based melt extrusion additive manufacturing: theory, practice and simulations. Rapid prototyping journal
  Academic article
• Blindheim, Jørgen; Welo, Torgeir; Steinert, Martin. (2019) Rapid prototyping and physical modelling in the development of a new additive manufacturing process for aluminium alloys. Procedia Manufacturing
  Academic article

2018

• Sandnes, Lise; Grong, Øystein; Torgersen, Jan; Welo, Torgeir; Berto, Filippo. (2018) Correction to: Exploring the hybrid metal extrusion and bonding process for butt welding of Al–Mg–Si alloys. The International Journal of Advanced Manufacturing Technology
  Errata
• Dybvik, Henrikke; Erichsen, Jorgen Andreas Bogen; Steinert, Martin; Welo, Torgeir. (2018) Evaluating Continuous Improvement Efforts in New Product Development. ISPIM Lappeenranta University of Technology Press
  Academic chapter/article/Conference paper
• Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir. (2018) Towards a Framework for Managing Knowledge Integration in University-Industry Collaboration Projects.
  Academic chapter/article/Conference paper
• Moldavska, Anastasiia; Welo, Torgeir. (2018) Testing and Verification of a New Corporate Sustainability Assessment Method for Manufacturing: A Multiple Case Research Study. Sustainability
  Academic article
• Tronvoll, Sigmund Arntsønn; Elverum, Christer Westum; Welo, Torgeir. (2018) Dimensional accuracy of threads manufactured by fused deposition modeling. Procedia Manufacturing
  Academic article
• Su, Kuan-Yu; Welo, Torgeir; Wang, Jyhwen. (2018) Improving Friction Drilling and Joining through Controlled Material Flow . Procedia Manufacturing
  Academic article
• Ringen, Geir; Welo, Torgeir. (2018) The product development learning process and its relation to performance indicators . Procedia Manufacturing
  Academic article
• Wied, Morten; Oehmen, Josef; Welo, Torgeir. (2018) RESILIENT DESIGN PROPERTIES OF A DRIVERLESS TRANSPORT SYSTEM. The Design Society
  Academic chapter/article/Conference paper
• Blindheim, Jørgen; Grong, Øystein; Aakenes, Ulf Roar; Welo, Torgeir; Steinert, Martin. (2018) Hybrid Metal Extrusion & Bonding (HYB) - a new technology for solid-state additive manufacturing of aluminium components. Procedia Manufacturing
  Academic article
• Chebat, F.; Peron, Mirco; Viespoli, Luigi Mario; Welo, Torgeir; Berto, Filippo. (2018) Fatigue Strength Assessment of Steel Rollers: On the Reliability of the Strain Energy Density Approach on Real Components. Applied Sciences
  Academic article
• Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Elverum, Christer Westum. (2018) The effects of voids on structural properties of fused deposition modelled parts: a probabilistic approach. The International Journal of Advanced Manufacturing Technology
  Academic article
• Ulonska, Sören; Welo, Torgeir; Rølvåg, Terje. (2018) LEANIFICATION OF THE ENGINEERING PROCESS FOR CUSTOMIZED ROAD SAFETY PRODUCTS. The Design Society
  Academic chapter/article/Conference paper
• Welo, Torgeir; Ringen, Geir. (2018) Investigating Organizational Knowledge Transformation Capabilities in Integrated Manufacturing and Product Development Companies. Procedia CIRP
  Academic article
• Raknes, Christian Arne; Welo, Torgeir; Paulsen, Frode. (2018) Dimensional accuracy of aluminium extrusions in mechanical calibration. AIP Conference Proceedings
  Academic article
• Sandnes, Lise; Grong, Øystein; Torgersen, Jan; Welo, Torgeir; Berto, Filippo. (2018) Exploring the hybrid metal extrusion and bonding process for butt welding of Al–Mg–Si alloys. The International Journal of Advanced Manufacturing Technology
  Academic article

2017

• Snilsberg, Knut Erik; Welo, Torgeir; Moen, Knut Erling; Holmedal, Bjørn; Jensrud, Ola; Koroschetz, Christian. (2017) A new tribological system test for integrated hot forming and die quenching of aluminium alloy sheets. AIP Conference Proceedings
  Academic article
• Fergani, Omar; Yousfi, Mohammed; Ding, Zishan; Welo, Torgeir; Liang, Steven Y.. (2017) A physics-based approach to relate grinding process parameters to tribological behavior of ground surfaces. The International Journal of Advanced Manufacturing Technology
  Academic article
• Willumsen, Pelle; Oehmen, Josef; Rossi, Monica; Welo, Torgeir. (2017) Applying lean thinking to risk management in product development. Proceedings of the International Conference on Engineering Design
  Academic article
• Sjöman, Heikki; Erichsen, Jorgen Andreas Bogen; Welo, Torgeir; Steinert, Martin. (2017) Effortless Capture of Design Output - A Prerequisite for Building a Design Repository with Quantified Design Output. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Winjum, Jardar; Wulvik, Andreas; Erichsen, Jorgen Andreas Bogen; Welo, Torgeir; Steinert, Martin. (2017) A heuristic approach for early-stage product development in extreme environments. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Moldavska, Anastasiia; Welo, Torgeir. (2017) The concept of sustainable manufacturing and its definitions: A content-analysis based literature review. Journal of Cleaner Production
  Academic literature review
• Farstad, Jan Magnus Granheim; Netland, Øyvind; Welo, Torgeir. (2017) Surface Friction of Rapidly Prototyped Wheels from 3D-Printed Thermoplastic Elastomers: An Experimental Study. Procedia CIRP
  Academic article
• Razavi, Nima; Peron, Mirco; Torgersen, Jan; Berto, Filippo; Welo, Torgeir. (2017) 40CrMoV13.9 notched specimens under multiaxial fatigue: An overview of recent results. Frattura ed Integrità Strutturale
  Academic article
• Chebat, F; Cincera, M; Razavi, Nima; Berto, Filippo; Welo, Torgeir. (2017) Fatigue assessment of steel rollers by means of the local energy. Frattura ed Integrità Strutturale
  Academic article
• Berto, Filippo; Campagnolo, Alberto; Welo, Torgeir; Vantadori, Sabrina; Carpinteri, Andrea. (2017) Multiaxial fatigue strength of titanium alloys. Frattura ed Integrità Strutturale
  Academic article
• Fergani, Omar; Berto, Filippo; Welo, Torgeir; Liang, Steven. (2017) Analytical Modeling of Residual Stress in Additive Manufacturing. Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
  Academic article
• Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir. (2017) Knowledge Management of University-Industry Collaboration in the Learning Economy. IEEE Press
  Academic chapter/article/Conference paper
• Fergani, Omar; Liang, Steven Y.; Elmansori, Mohamed; Welo, Torgeir. (2017) Additive Manufacturing Thermo-Mechanical Processing Influence on Tensile Mechanical Behavior. The American Society of Mechanical Engineers (ASME)
  Academic chapter/article/Conference paper
• Synnes, Elisabeth Lervåg; Welo, Torgeir. (2017) Applicability of Lean Product Development to a company in the marine sector. IEEE (Institute of Electrical and Electronics Engineers)
  Academic chapter/article/Conference paper
• Farstad, Jan Magnus Granheim; Netland, Øyvind; Welo, Torgeir. (2017) Comparison of distortions of complex aluminium sections formed in single-step and incremental roll bending. AIP Conference Proceedings
  Academic article
• Welo, Torgeir; Ringen, Geir. (2017) Lean assessment and transformation strategies in product development: A longitudinal study. Proceedings of the International Conference on Engineering Design
  Academic article
• Netland, Øyvind; Farstad, Jan Magnus Granheim; Welo, Torgeir. (2017) Design of a Modular Extrusion-based Aluminum Monorail System for Highly Accurate Car Positioning. Procedia CIRP
  Academic article
• Tronvoll, Sigmund Arntsønn; Elverum, Christer Westum; Welo, Torgeir. (2017) Prototype Experiments: Strategies and Trade-offs. Procedia CIRP
  Academic article

2016

• Farstad, Jan Magnus Granheim; Netland, Øyvind; Welo, Torgeir. (2016) Evaluation of undesirable deformations in complex, hollow aluminium extrusions due to roll bending. AIP Conference Proceedings
  Academic article
• Welo, Torgeir; Ringen, Geir. (2016) Beyond Waste Elimination: Assessing Lean Practices in Product Development. Procedia CIRP
  Academic article
• Ulonska, Søren; Welo, Torgeir. (2016) On the use of product portfolio and variant maps as visualization tools to support platform-based development strategies. Concurrent Engineering: Research and Applications (CERA)
  Academic article
• Rølvåg, Terje; Welo, Torgeir; van Houten, Rien; Wiggenraad, Jaap. (2016) FE simulation of soft wing impactor for aviation mast frangibility testing – sensitivity to model assumptions. International Journal of Crashworthiness
  Academic article
• Fergani, Omar; Jiang, Xiaohui; Welo, Torgeir. (2016) Analysis of residual stress-induced distortions of thin sheet structures in multi-step milling. AIP Conference Proceedings
  Academic article
• Elverum, Christer Westum; Welo, Torgeir; Tronvoll, Sigmund Arntsønn. (2016) Prototyping in new product development: Strategy considerations. Procedia CIRP
  Academic article
• Berto, Filippo; Campagnolo, Alberto; Chebat, F; Cincera, M; Welo, Torgeir. (2016) Modelling and fatigue assessment of steel rollers with failure occurring at the weld root based on the local strain energy. Procedia Structural Integrity
  Academic article
• Synnes, Elisabeth Lervåg; Welo, Torgeir. (2016) Enhancing Integrative Capabilities through Lean Product and Process Development. Procedia CIRP
  Academic article
• Synnes, Elisabeth Lervåg; Welo, Torgeir. (2016) Bridging the Gap Between High and Low-Volume Production through Enhancement of Integrative Capabilities. Procedia Manufacturing
  Academic article
• Moldavska, Anastasiia; Welo, Torgeir. (2016) Development of Manufacturing Sustainability Assessment Using Systems Thinking. Sustainability
  Academic article
• Elverum, Christer Westum; Welo, Torgeir. (2016) Leveraging prototypes to generate value in the concept-to-production process: a qualitative study of the automotive industry. International Journal of Production Research
  Academic article
• Erichsen, Jorgen Andreas Bogen; Pedersen, Andreas; Steinert, Martin; Welo, Torgeir. (2016) Using Prototypes to Leverage Knowledge in Product Development: Examples from the Automotive Industry. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Hosseini, Hossein Neizan; Welo, Torgeir. (2016) A framework for integrating reliability and systems engineering: proof-of-concept experiences. INCOSE International Symposium
  Academic article
• Welo, Torgeir; Ringen, Geir. (2016) Customer-focused development practices in Systems Engineering companies A case study across industry sectors. IEEE conference proceedings
  Academic chapter/article/Conference paper
• Ringen, Geir; Welo, Torgeir; Østerbø, Emma. (2016) Learning and Knowledge Systems in Product Development Environments. Procedia CIRP
  Academic article
• Ellingsen, Oda Linn Almo; Welo, Torgeir. (2016) Managing exploration and exploitation: commercialization case from advanced manufacturing. International symposium of product innovation management
  Academic chapter/article/Conference paper
• Erichsen, Jorgen Andreas Bogen; Pedersen, Andreas; Steinert, Martin; Welo, Torgeir. (2016) Prototyping to Leverage Learning in Product Manufacturing Environments. Procedia CIRP
  Academic article
• Berto, Filippo; Campagnolo, Alberto; Welo, Torgeir. (2016) Local strain energy density to assess the multiaxial fatigue strength of titanium alloys. Frattura ed Integrità Strutturale
  Academic article
• Erichsen, Jorgen Andreas Bogen; Pedersen, Andreas; Steinert, Martin; Welo, Torgeir. (2016) Learning in Product Development: Proposed Industry Experiment Using Reflective Prototyping. Procedia CIRP
  Academic article
• Fergani, Omar; Pan, Zhipeng; Liang, Steven; zoubir, atmani; Welo, Torgeir. (2016) Microstructure Texture Prediction in Machining Processes. Procedia CIRP
  Academic article
• Tronvoll, Sigmund Arntsønn; Elverum, Christer Westum; Welo, Torgeir. (2016) Test Environments in Engineering Design: A conceptual study. The Design Society
  Academic chapter/article/Conference paper

2015

• Marthinusen, Ivar; Welo, Torgeir; Kalavrytinos, Christos; Sivertsen, Ole Ivar. (2015) Using factors associated with the lean concept in PD for identifying potential for design automation (Knowledge Based Engineering). IEEE conference proceedings IEEE conference proceedings
  Academic anthology/Conference proceedings
• Elverum, Christer Westum; Welo, Torgeir. (2015) On the use of directional and incremental prototyping in the development of high novelty products: Two case studies in the automotive industry. Journal of engineering and technology management
  Academic article
• Welo, Torgeir; Paulsen, Frode. (2015) Predicting tube ovalization in cold bending: An analytical approach. Key Engineering Materials
  Academic article
• Kriesi, Carlo; Steinert, Martin; Aalto-Setälä, Laura; Anvik, Anders; Balters, Stephanie; Baracchi, Alessia. (2015) Distributed Experiments in Design Sciences, A Next Step in Design Observation Studies?. The Design Society
  Academic chapter/article/Conference paper
• Elverum, Christer Westum; Dalsgaard, Henrik Vagle; Welo, Torgeir. (2015) Continuous improvement of technical systems using Design for X. IEEE conference proceedings
  Academic chapter/article/Conference paper
• shaoa, yamin; Fergani, Omar; Welo, Torgeir; Liang, Steven. (2015) Prediction of Residual Stress in Multi-Step Orthogonal Cutting. The American Society of Mechanical Engineers (ASME)
  Academic chapter/article/Conference paper
• Ringen, Geir; Welo, Torgeir. (2015) Knowledge Based Development Practices in Systems Engineering Companies: A Comparative Study. Curran Associates, Inc.
  Academic chapter/article/Conference paper
• Duflou, Joost R; Tekkaya, A Erman; Haase, Matthias; Welo, Torgeir; Vanmeensel, Kim; Kellens, Karel. (2015) Environmental assessment of solid state recycling routes for aluminium alloys: Can solid state processes significantly reduce the environmental impact of aluminium recycling?. CIRP annals
  Academic article
• Synnes, Elisabeth Lervåg; Welo, Torgeir. (2015) Design for automated assembly of large and complex products: Experiences from a marine company operating in Norway. Procedia Computer Science
  Academic article
• Welo, Torgeir; Ringen, Geir. (2015) Investigating lean development practices in SE companies: A comparative study between sectors. Procedia Computer Science
  Academic article
• Fergani, Omar; Jiang, Xiaohui; Shao, Yamin; Welo, Torgeir; Yang, Jianguo; Liang, Steven. (2015) Prediction of residual stress regeneration in multi-pass milling. The International Journal of Advanced Manufacturing Technology
  Academic article
• Moldavska, Anastasiia; Welo, Torgeir. (2015) On the Applicability of Sustainability Assessment Tools in Manufacturing. Procedia CIRP
  Academic article

2014

• Elverum, Christer Westum; Welo, Torgeir; Steinert, Martin. (2014) The Fuzzy Front End: Concept Development in the Automotive Industry. The American Society of Mechanical Engineers (ASME)
  Academic chapter/article/Conference paper
• Ringen, Geir; Welo, Torgeir. (2014) Stabilizing new-product development processes – a prerequisite or a barrier to satisfy customer wants and needs?. Procedia CIRP
  Academic article
• Welo, Torgeir; Bolstad, Mads. (2014) An Experimental Investigation of Parameters Influencing Dimensional Accuracy in Rotary Stretch Bending. Key Engineering Materials
  Academic article
• Welo, Torgeir. (2014) Design for Dimensional Accuracy in Bending Operations: Introducing the Concept of Flatness Limit Curves. The American Society of Mechanical Engineers (ASME)
  Academic chapter/article/Conference paper
• Sirin, Göknur; Welo, Torgeir; Yannou, Bernard; Landel, Eric. (2014) Value Creation in Collaborative Analysis Model Development Processes. The American Society of Mechanical Engineers (ASME)
  Academic chapter/article/Conference paper
• Belay, Alemu Moges; Welo, Torgeir; Helo, Petri. (2014) Approaching lean product development using system dynamics: investigating front-load effects. Advances in Manufacturing
  Academic article
• Belay, Alemu Moges; Helo, Petri; Takala, Josu; Welo, Torgeir. (2014) Considering BPR and CE for faster product delivery: a case study in manufacturing firms. International Journal of Productivity and Quality Management
  Academic article
• Gudem, Martin; Steinert, Martin; Welo, Torgeir. (2014) From lean product development to lean innovation: Searching for a more valid approach for promoting utilitarian and emotional value. International Journal of Innovation and Technology Management (IJITM)
  Academic article
• Elverum, Christer Westum; Welo, Torgeir. (2014) The role of early prototypes in concept development: insights from the automotive industry. Procedia CIRP
  Academic article
• Welo, Torgeir. (2014) Lean produktutvikling. Fagbokforlaget
  Academic chapter/article/Conference paper
• Krogstie, Lars; Ulonska, Sören; Welo, Torgeir; Andersen, Bjørn. (2014) On Knowledge-based Development: How Documentation Practice represents a strategy for Closing Tolerance Engineering Loops. Procedia CIRP
  Academic article
• Granly, Bjørg Margrethe; Welo, Torgeir. (2014) EMS and sustainability: experiences with ISO 14001 and Eco-Lighthouse in Norwegian metal processing SMEs. Journal of Cleaner Production
  Academic article
• Ulonska, Sören; Welo, Torgeir. (2014) Product portfolio map: a visual tool for supporting product variant discovery and structuring. Advances in Manufacturing
  Academic article
• Li, H; Yang, H; Zhang, ZY; Li, GJ; Liu, N; Welo, Torgeir. (2014) Multiple instability-constrained tube bending limits. Journal of Materials Processing Technology
  Academic article

2013

• Widerøe, Fredrik; Welo, Torgeir; Vestøl, Harald. (2013) A new testing machine to determine the behaviour of aluminium granulate under combined pressure and shear. International Journal of Material Forming
  Academic article
• Ulonska, Sören; Welo, Torgeir; Harlou, Ulf. (2013) Knowledge-based development: Introducing portfolio maps and product architecture as basis for implementation. The Design Society
  Academic chapter/article/Conference paper
• Welo, Torgeir; Aschehoug, Silje Helene; Ringen, Geir. (2013) Assessing the Relationship between New Product Development Practices and Performance in the Norwegian Manufacturing Industry. Springer
  Academic chapter/article/Conference paper
• Gudem, Martin; Steinert, Martin; Welo, Torgeir; Leifer, Larry. (2013) Redefining customer value in lean product development design projects. Journal of Engineering, Design and Technology
  Academic article
• Welo, Torgeir; Widerøe, Fredrik. (2013) An Investigation of the Factors that Influence the Overall Magnitude of Cross-Sectional Distortions in Draw Bending. Key Engineering Materials
  Academic article
• Welo, Torgeir; Tonning, Oluf Roar Bjørset; Rølvåg, Terje. (2013) Lean Systems Engineering (LSE): Hands-on Experiences in Applying LSE to a Student Eco-Car Build Project. Procedia Computer Science
  Academic article
• Ulonska, Søren; Welo, Torgeir. (2013) Need Finding for the Development of a Conceptional, Engineering-Driven Framework for Improved Product Documentation. Procedia Computer Science
  Academic article
• Ulonska, Sören; Welo, Torgeir. (2013) New Perspectives in the Quest for Unification of 'Lean' with Traditional Engineering Design Methodology. Springer
  Academic chapter/article/Conference paper
• Welo, Torgeir. (2013) Part Two: Lean Product Development Fundamentals. Institutt for produktutvikling og materialer
  Compendium
• Welo, Torgeir. (2013) Part Three: Practical Tools for Lean Product Development. Institutt for produktutvikling og materialer
  Compendium
• Welo, Torgeir; Næss, Leif. (2013) Part One: Lean Product Development as Part of the Business System. Institutt for produktutvikling og materialer
  Compendium
• Ulonska, Sören; Welo, Torgeir. (2013) Introducing Portfolio Maps as Basis for Standardization and Knowledge-based Development. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper
• Belay, Alemu Moges; Welo, Torgeir. (2013) Lean thinking in product development : looking into front-load effects using a system dynamics approach. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper
• Welo, Torgeir. (2013) The Mastery of Innovation – A Field Guide to Lean Product Development. International Journal of Innovation and Technology Management (IJITM)
  Book review
• Elverum, Christer Westum; Welo, Torgeir. (2013) Towards a Context-Driven Front End in New Product Development. Springer
  Academic chapter/article/Conference paper
• Welo, Torgeir. (2013) Intelligent Manufacturing Systems: Controlling Elastic Springback in Bending. Springer
  Academic chapter/article/Conference paper
• Widerøe, Fredrik; Welo, Torgeir. (2013) Using contrast material techniques to determine metal flow in screw extrusion of aluminium. Journal of Materials Processing Technology
  Academic article

2012

• Widerøe, Fredrik; Welo, Torgeir. (2012) Conditions for sticking friction between aluminium alloy AA6060 and tool steel in hot forming. Key Engineering Materials
  Academic article
• Ulonska, Søren; Welo, Torgeir. (2012) A Methodology for Combining Functional, Principal and Product Structures Applied to Manufacturing Technology Development. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper
• Granly, Bjørg Margrethe; Welo, Torgeir. (2012) Sustainable Manufacturing: Investigating best Practises in Norwegian Metal Processing SMEs. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper
• Belay, Alemu Moges; Welo, Torgeir; Helo, Petro. (2012) Enhancing Product Development Performance By Set-Based Concurrent Engineering (SBCE): A system Dynamics Approach. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper
• Welo, Torgeir. (2012) An Analytical Method for Prediction of Cross-Sectional Deformations in Stretch Bending. Key Engineering Materials
  Academic article
• Welo, Torgeir; Olsen, Tonje Overvik; Gudem, Martin. (2012) Enhancing product innovation through a customer-centered, lean framework. International Journal of Innovation and Technology Management (IJITM)
  Academic article
• Granly, Bjørg Margrethe; Welo, Torgeir. (2012) Stimulating sustainability innovation in manufacturing SMEs: Experiences with EMS.
  Academic chapter/article/Conference paper
• Welo, Torgeir; Ringen, Geir. (2012) NPD Practices in the Norwegian Manufacturing Industry: Assessing the Relationship between Key Dimensions and Performance.
  Other
• Belay, Alemu Moges; Welo, Torgeir; Helo, Petri. (2012) System of Systems Thinking in Product Development Processes: A System Dynamic Approach. IEEE conference proceedings
  Other
• Widerøe, Fredrik; Welo, Torgeir. (2012) An investigation of the material flow in a screw extruder of aluminium using contrast material. Key Engineering Materials
  Academic article

2011

• Welo, Torgeir. (2011) On the application of lean principles in Product Development: a commentary on models and practices. International Journal of Product Development
  Academic article
• Welo, Torgeir. (2011) BOOK REVIEW: "Mastering Lean Product Development: A Practical, Event-Driven Process for Maximizing Speed, Profits, and Quality" Ronald Mascitelli. International Journal of Innovation and Technology Management (IJITM)
  Book review
• Olsen, Tonje Overvik; Welo, Torgeir. (2011) Maximizing Product Innovation through Adaptive Application of User-Centered Methods for Defining Customer Value. Journal of Technology Management & Innovation
  Academic article
• Gudem, Martin; Steinert, Martin; Welo, Torgeir; Leifer, Larry. (2011) Customer value is not a number - Investigating the value concept in lean product development. The Design Society
  Academic chapter/article/Conference paper
• Widerøe, Fredrik; Welo, Torgeir. (2011) Conditions for sticking friction between aluminium alloy AA6060 and tool steel in hot forming. Aracne editrice
  Academic chapter/article/Conference paper
• Granly, Bjørg Margrethe; Welo, Torgeir. (2011) On Selection of Sustainable Production Indicators for Technology-Intensive Manufacturing SMEs. Tampere University of Technology
  Other
• Welo, Torgeir; Rølvåg, Terje. (2011) A Framework for application of the lean concept within new-product innovation.
  Academic chapter/article/Conference paper
• Widerøe, Fredrik; Welo, Torgeir. (2011) Frictional conditions between alloy AA6060 aluminium and tool steel. AIP Conference Proceedings
  Academic article
• Welo, Torgeir; Granly, Bjørg Margrethe; Elverum, Christer Westum; Søvik, Odd Perry; Sørbø, Steinar. (2011) Springback Control in Industrial Bending Operations: Assessing the Accuracy of Three Commercial FEA Codes. AIP Conference Proceedings
  Academic article

2010

• Welo, Torgeir; Granly, Bjørg Margrethe. (2010) A new adaptive bending method using closed loop feedback control. Transactions of Nonferrous Metals Society of China
  Academic article
• Welo, Torgeir. (2010) A new method for 3D forming of extrusion-based sheets for light-weight hull applications. International Journal of Material Forming
  Academic article
• Widerøe, Fredrik; Welo, Torgeir; Vestøl, Harald. (2010) A new testing machine to determine the behaviour of aluminium granulate under combined pressure and shear. International Journal of Material Forming
  Academic article
• Welo, Torgeir; Widerøe, Fredrik. (2010) Precision bending of high-quality components for volume applications. Transactions of Nonferrous Metals Society of China
  Academic article
• Gudem, Martin; Welo, Torgeir. (2010) From Lean Product Development to Lean Innovation: Finding Better Ways of Satisfying Customer Value. Springer
  Academic chapter/article/Conference paper
• Granly, Bjørg Margrethe; Welo, Torgeir; Støren, Sigurd. (2010) Adaptive processing : a knowledge-based approach for achieving sustainability. Tapir Akademisk Forlag
  Academic chapter/article/Conference paper

2009

• Welo, Torgeir; Baringbing, Henry Ako Marraik Wilfred T.. (2009) On the Evaluation of Dimensional Accuracy in Rotary Stretch Bending. International Journal of Material Forming
  Academic article

2007

• Chinesta, Franciso; Cuelo, Elias; Welo, Torgeir. (2007) Advances in materials Forming. Springer Springer
  Academic anthology/Conference proceedings
• Welo, Torgeir. (2007) Sheet Metal Forming (State of the Art). Springer
  Academic chapter/article/Conference paper

2002

• Welo, Torgeir. (2002) A design method for prediction of geometrical dimensions of rectangular hollow sections formed in strecth bending. Journal of Materials Processing Technology
  Academic article

2001

• Welo, Torgeir. (2001) Cross-sectional Deformations of Rectangular Hollow Sections in Bending: Part I - Experiments. International Journal of Mechanical Sciences
  Academic article
• Welo, Torgeir. (2001) A Design Method for Retangular Hollow Sections in Bending. Journal of Materials Processing Technology
  Academic article
• Welo, Torgeir. (2001) Cross-sectional deformations in rectangular hollow sections in bending: Part II - Analytical Models. International Journal of Mechanical Sciences
  Academic article