Geir Ringen
Publications
2024
-
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
-
Sarkar, Aritra;
Aktunali, Mehmet;
Arbo, Siri Marthe;
Holmestad, Jon;
Viespoli, Luigi Mario;
Nyhus, Bård.
(2024)
A study on the influence of impurity content on fatigue endurance in a 6082 Al-alloy.
International Journal of Fatigue
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
2023
-
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
-
Assuad, Carla Susana A;
Øien, Christian Dalheim;
Ringen, Geir.
(2023)
Circularity assessment of the effects of customer preferences towards sustainable development on producers for aluminum-based products in Norway.
Procedia CIRP
Academic article
-
Akram, Md Ali;
Holthe, Ragnar;
Ringen, Geir.
(2023)
Rapid Sorting of Post-consumer Scrap Aluminium Alloys Based on Laser-Induced Breakdown Spectroscopy (LIBS).
IFIP Advances in Information and Communication Technology
Academic article
-
Ringen, Geir.
(2023)
Produktutvikling.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ringen, Geir.
(2023)
Case innen verdikjedebetraktninger i Industri 4.0.
Fagbokforlaget
Academic chapter/article/Conference paper
-
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
-
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
-
Elkjær, Aksel Sean;
Sørhaug, Jørgen A;
Ringen, Geir;
Bjørge, Ruben;
Grong, Øystein.
(2022)
Electrical and thermal stability of Al-Cu welds: Performance benchmarking of the hybrid metal extrusion and bonding process.
Journal of Manufacturing Processes
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
-
Ringen, Geir.
(2022)
Value Chain Data Integrity and Quality - A Case Study.
INCOSE International Symposium
Academic article
-
Ringen, Geir;
Landsem, Kristin Lorentzen;
Holtskog, Halvor.
(2022)
Design for Excellence to Explore Complex Product Service Systems: A Case Study.
Procedia CIRP
Academic article
-
Fragapane, Giuseppe;
Schulte, Kjersti Øverbø;
Eleftheriadis, Ragnhild;
Reke, Eivind;
Ringen, Geir.
(2022)
A Cross-disciplinary, cross-organizational approach to sustainable design and product innovation in the aluminum industry .
Procedia CIRP
Academic article
-
Kovalevskaya, Daria;
Pedersen, Ann-Charlott;
Holmen, Elsebeth;
Kaloudis, Aris;
Ringen, Geir.
(2022)
Triads in Lean Management: Analyzing Buyer–Supplier-Supplier and Buyer–Supplier-Supplier’s Supplier Relationships for Zero-Defect Manufacturing.
Journal of the Knowledge Economy
Academic article
-
Mitcheltree, Christina Marie;
Holtskog, Halvor;
Ringen, Geir.
(2022)
Towards a shared vision in innovation projects: Understanding actor involvement as a preventative approach against defensive routines for innovation capability.
Procedia CIRP
Academic article
-
Elkjær, Aksel Sean;
Ringen, Geir;
Bjørge, Ruben;
Hagen, Catalina Hoem Musinoi;
Lædre, Sigrid;
Magnusson, Niklas.
(2022)
Reliability of Bolted Aluminum Busbars for Battery
Systems: Effect of Nickel Coating and Corrosive Environment.
IEEE Transactions on Transportation Electrification
Academic article
2021
-
Ringen, Geir;
Welo, Torgeir.
(2021)
Material substitution innovation - trajectories towards
circular economy.
ISPIM Lappeenranta University of Technology Press
Academic chapter/article/Conference paper
-
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
2020
-
Holtskog, Halvor;
Ringen, Geir.
(2020)
The insufficiency of lean tradition - Lean meets kodak moments.
Procedia CIRP
Academic article
-
Ringen, Geir;
Pålsrud, Frode Gulbrandsen;
Lodgaard, Eirin Anita.
(2020)
Interorganizational Learning in Manufacturing Networks.
Springer Nature
Academic chapter/article/Conference paper
-
Ringen, Geir;
Welo, Torgeir.
(2020)
Material substitution innovation - trajectories towards circular economy.
ISPIM Lappeenranta University of Technology Press
Academic chapter/article/Conference paper
-
Welo, Torgeir;
Ringen, Geir;
Rossi, Monica.
(2020)
Investigating Maturity of Lean Culture in Product Development Teams.
Lecture Notes in Networks and Systems
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
-
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
-
Welo, Torgeir;
Ringen, Geir;
Ma, Jun.
(2020)
An overview and evaluation of alternative forming processes for complex aluminium products.
Procedia Manufacturing
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
-
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
-
Ringen, Geir;
Holtskog, Halvor;
Welo, Torgeir.
(2020)
A Novel Value Driven Co-creation Framework.
Springer Nature
Academic chapter/article/Conference paper
2019
-
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
-
Mitcheltree, Christina Marie;
Holtskog, Halvor;
Ringen, Geir.
(2019)
Studying design thinking as a forthcoming source to innovation speed.
Proceedings of the International Conference on Engineering Design
Academic article
-
Barua, Deep;
Welo, Torgeir;
Ringen, Geir;
Wang, Jyhwen.
(2019)
An experimental study on interference friction welding process.
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
-
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
2018
-
Holtskog, Halvor;
Carayannis, Elias G.;
Kaloudis, Aris;
Ringen, Geir.
(2018)
Learning Factories: The Nordic Model of Manufacturing.
Palgrave Macmillan
Palgrave Macmillan
Academic monograph
-
Ringen, Geir;
Welo, Torgeir.
(2018)
The product development learning process and its relation to performance indicators
.
Procedia Manufacturing
Academic article
-
Welo, Torgeir;
Ringen, Geir.
(2018)
Investigating Organizational Knowledge Transformation Capabilities in Integrated Manufacturing and Product Development Companies.
Procedia CIRP
Academic article
-
Holtskog, Halvor;
Ringen, Geir.
(2018)
Social mechanisms of performance systems.
European Journal of Workplace Innovation
Academic article
-
Holtskog, Halvor;
Lied, Lars Harald;
Ringen, Geir.
(2018)
Coping with technology: A future of robots?.
Routledge
Academic chapter/article/Conference paper
2017
-
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
-
Ringen, Geir;
Schulte, Kjersti Øverbø.
(2017)
Continuous vs step change production process improvement as enablers for product redesign and new market opportunities.
IFIP Advances in Information and Communication Technology
Academic article
2016
-
Ringen, Geir;
Welo, Torgeir;
Østerbø, Emma.
(2016)
Learning and Knowledge Systems in Product Development Environments.
Procedia CIRP
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
-
Lodgaard, Eirin Anita;
Ringen, Geir;
Larsson, Catrine Eleonor.
(2016)
Viewing the engineering change process from a lean product development and a business perspective.
Journal of the Knowledge Economy
Academic article
-
Holtskog, Halvor;
Martinsen, Kristian;
Skogsrød, Torbjørn;
Ringen, Geir.
(2016)
The Pivoting Problem of Lean.
Procedia CIRP
Academic literature review
-
Welo, Torgeir;
Ringen, Geir.
(2016)
Beyond Waste Elimination: Assessing Lean Practices in Product Development.
Procedia CIRP
Academic article
2015
-
Welo, Torgeir;
Ringen, Geir.
(2015)
Investigating lean development practices in SE companies: A comparative study between sectors.
Procedia Computer Science
Academic article
-
Ringen, Geir;
Welo, Torgeir.
(2015)
Knowledge Based Development Practices in Systems Engineering Companies: A Comparative Study.
Curran Associates, Inc.
Academic chapter/article/Conference paper
2014
-
Ringen, Geir;
Aschehoug, Silje Helene;
Holtskog, Halvor;
Ingvaldsen, Jonas A.
(2014)
Integrating Quality and Lean into a Holistic Production System.
Procedia CIRP
Academic article
-
Ringen, Geir;
Rolfsen, Monica.
(2014)
Lean blir norsk.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ingvaldsen, Jonas A;
Ringen, Geir;
Rolfsen, Monica.
(2014)
Lean på global vandring.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ingvaldsen, Jonas A;
Ringen, Geir.
(2014)
Første verktøyskuff: Standardisering.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ingvaldsen, Jonas A;
Ringen, Geir.
(2014)
Tredje verktøyskuff: Visualisering.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ringen, Geir;
Lodgaard, Eirin Anita.
(2014)
Fjerde verktøyskuff: Kontinuerlig forbedring.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ringen, Geir;
Rolfsen, Monica.
(2014)
Lean kommune.
Fagbokforlaget
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
-
Ingvaldsen, Jonas A;
Netland, Torbjørn H.;
Ringen, Geir.
(2014)
Step changes in mature production systems.
NTNU, IØT
Report
-
Aschehoug, Silje Helene;
Schulte, Kjersti Øverbø;
Ringen, Geir.
(2014)
Early Innovation Leadership.
The Design Society
Academic chapter/article/Conference paper
2013
-
Ringen, Geir;
Holtskog, Halvor.
(2013)
How enablers for lean product development motivate engineers.
International journal of computer integrated manufacturing (Print)
Academic article
-
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
-
Ingvaldsen, Jonas A;
Holtskog, Halvor;
Ringen, Geir.
(2013)
Unlocking work standards through systematic work observation: implications for team supervision.
Team Performance Management
Academic article
-
Holtskog, Halvor;
Ringen, Geir.
(2013)
Opportunities in the Wake of Crisis.
Procedia CIRP
Academic article
2012
-
Aschehoug, Silje Helene;
Boks, Casper;
Ringen, Geir;
Aasland, Knut Einar.
(2012)
Investigating the importance of sustainability information in Product Development and Design.
The Design Society
Academic chapter/article/Conference paper
-
Ringen, Geir;
Holtskog, Halvor;
Martinsen, Kristian.
(2012)
User Friendly Framework for Measuring Product and Process Novelty in the Early Stages of Product Development.
Procedia CIRP
Academic article
-
Ringen, Geir;
Henriksen, Ottar;
Myklebust, Odd.
(2012)
Raufoss Technology Globalization Straegies and Implementation.
Tapir Akademisk Forlag
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
2011
-
Lodgaard, Eirin Anita;
Pellegård, Øystein;
Ringen, Geir;
Klokkehaug, Jon Andreas.
(2011)
Failure Mode and Effects Analysis in Combination with the Problem-Solving A3.
The Design Society
Other
2009
-
Fleten, Stein-Erik;
Ringen, Geir.
(2009)
New renewable electricity capacity under uncertainty: The potential in Norway.
Journal of Energy Markets
Academic article
2008
-
Ringen, Geir;
Sørby, Knut;
Martinsen, Kristian.
(2008)
High-pressure coolant chip control in boring of aluminium alloys.
Academic chapter/article/Conference paper
2006
-
Fleten, Stein-Erik;
Ringen, Geir.
(2006)
New Renewable Electricity Capacity under Uncertainty: The Potential in Norway.
Academic chapter/article/Conference paper
Journal publications
-
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
-
Sarkar, Aritra;
Aktunali, Mehmet;
Arbo, Siri Marthe;
Holmestad, Jon;
Viespoli, Luigi Mario;
Nyhus, Bård.
(2024)
A study on the influence of impurity content on fatigue endurance in a 6082 Al-alloy.
International Journal of Fatigue
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
-
Assuad, Carla Susana A;
Øien, Christian Dalheim;
Ringen, Geir.
(2023)
Circularity assessment of the effects of customer preferences towards sustainable development on producers for aluminum-based products in Norway.
Procedia CIRP
Academic article
-
Akram, Md Ali;
Holthe, Ragnar;
Ringen, Geir.
(2023)
Rapid Sorting of Post-consumer Scrap Aluminium Alloys Based on Laser-Induced Breakdown Spectroscopy (LIBS).
IFIP Advances in Information and Communication Technology
Academic article
-
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
-
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
-
Elkjær, Aksel Sean;
Sørhaug, Jørgen A;
Ringen, Geir;
Bjørge, Ruben;
Grong, Øystein.
(2022)
Electrical and thermal stability of Al-Cu welds: Performance benchmarking of the hybrid metal extrusion and bonding process.
Journal of Manufacturing Processes
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
-
Ringen, Geir.
(2022)
Value Chain Data Integrity and Quality - A Case Study.
INCOSE International Symposium
Academic article
-
Ringen, Geir;
Landsem, Kristin Lorentzen;
Holtskog, Halvor.
(2022)
Design for Excellence to Explore Complex Product Service Systems: A Case Study.
Procedia CIRP
Academic article
-
Fragapane, Giuseppe;
Schulte, Kjersti Øverbø;
Eleftheriadis, Ragnhild;
Reke, Eivind;
Ringen, Geir.
(2022)
A Cross-disciplinary, cross-organizational approach to sustainable design and product innovation in the aluminum industry .
Procedia CIRP
Academic article
-
Kovalevskaya, Daria;
Pedersen, Ann-Charlott;
Holmen, Elsebeth;
Kaloudis, Aris;
Ringen, Geir.
(2022)
Triads in Lean Management: Analyzing Buyer–Supplier-Supplier and Buyer–Supplier-Supplier’s Supplier Relationships for Zero-Defect Manufacturing.
Journal of the Knowledge Economy
Academic article
-
Mitcheltree, Christina Marie;
Holtskog, Halvor;
Ringen, Geir.
(2022)
Towards a shared vision in innovation projects: Understanding actor involvement as a preventative approach against defensive routines for innovation capability.
Procedia CIRP
Academic article
-
Elkjær, Aksel Sean;
Ringen, Geir;
Bjørge, Ruben;
Hagen, Catalina Hoem Musinoi;
Lædre, Sigrid;
Magnusson, Niklas.
(2022)
Reliability of Bolted Aluminum Busbars for Battery
Systems: Effect of Nickel Coating and Corrosive Environment.
IEEE Transactions on Transportation Electrification
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
-
Holtskog, Halvor;
Ringen, Geir.
(2020)
The insufficiency of lean tradition - Lean meets kodak moments.
Procedia CIRP
Academic article
-
Welo, Torgeir;
Ringen, Geir;
Rossi, Monica.
(2020)
Investigating Maturity of Lean Culture in Product Development Teams.
Lecture Notes in Networks and Systems
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
-
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
-
Welo, Torgeir;
Ringen, Geir;
Ma, Jun.
(2020)
An overview and evaluation of alternative forming processes for complex aluminium products.
Procedia Manufacturing
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
-
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
-
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
-
Mitcheltree, Christina Marie;
Holtskog, Halvor;
Ringen, Geir.
(2019)
Studying design thinking as a forthcoming source to innovation speed.
Proceedings of the International Conference on Engineering Design
Academic article
-
Barua, Deep;
Welo, Torgeir;
Ringen, Geir;
Wang, Jyhwen.
(2019)
An experimental study on interference friction welding process.
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
-
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
-
Ringen, Geir;
Welo, Torgeir.
(2018)
The product development learning process and its relation to performance indicators
.
Procedia Manufacturing
Academic article
-
Welo, Torgeir;
Ringen, Geir.
(2018)
Investigating Organizational Knowledge Transformation Capabilities in Integrated Manufacturing and Product Development Companies.
Procedia CIRP
Academic article
-
Holtskog, Halvor;
Ringen, Geir.
(2018)
Social mechanisms of performance systems.
European Journal of Workplace Innovation
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
-
Ringen, Geir;
Schulte, Kjersti Øverbø.
(2017)
Continuous vs step change production process improvement as enablers for product redesign and new market opportunities.
IFIP Advances in Information and Communication Technology
Academic article
-
Ringen, Geir;
Welo, Torgeir;
Østerbø, Emma.
(2016)
Learning and Knowledge Systems in Product Development Environments.
Procedia CIRP
Academic article
-
Lodgaard, Eirin Anita;
Ringen, Geir;
Larsson, Catrine Eleonor.
(2016)
Viewing the engineering change process from a lean product development and a business perspective.
Journal of the Knowledge Economy
Academic article
-
Holtskog, Halvor;
Martinsen, Kristian;
Skogsrød, Torbjørn;
Ringen, Geir.
(2016)
The Pivoting Problem of Lean.
Procedia CIRP
Academic literature review
-
Welo, Torgeir;
Ringen, Geir.
(2016)
Beyond Waste Elimination: Assessing Lean Practices in Product Development.
Procedia CIRP
Academic article
-
Welo, Torgeir;
Ringen, Geir.
(2015)
Investigating lean development practices in SE companies: A comparative study between sectors.
Procedia Computer Science
Academic article
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Ringen, Geir;
Aschehoug, Silje Helene;
Holtskog, Halvor;
Ingvaldsen, Jonas A.
(2014)
Integrating Quality and Lean into a Holistic Production System.
Procedia CIRP
Academic article
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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
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Ringen, Geir;
Holtskog, Halvor.
(2013)
How enablers for lean product development motivate engineers.
International journal of computer integrated manufacturing (Print)
Academic article
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Ingvaldsen, Jonas A;
Holtskog, Halvor;
Ringen, Geir.
(2013)
Unlocking work standards through systematic work observation: implications for team supervision.
Team Performance Management
Academic article
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Holtskog, Halvor;
Ringen, Geir.
(2013)
Opportunities in the Wake of Crisis.
Procedia CIRP
Academic article
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Ringen, Geir;
Holtskog, Halvor;
Martinsen, Kristian.
(2012)
User Friendly Framework for Measuring Product and Process Novelty in the Early Stages of Product Development.
Procedia CIRP
Academic article
-
Fleten, Stein-Erik;
Ringen, Geir.
(2009)
New renewable electricity capacity under uncertainty: The potential in Norway.
Journal of Energy Markets
Academic article
Books
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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
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Holtskog, Halvor;
Carayannis, Elias G.;
Kaloudis, Aris;
Ringen, Geir.
(2018)
Learning Factories: The Nordic Model of Manufacturing.
Palgrave Macmillan
Palgrave Macmillan
Academic monograph
Part of book/report
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Ringen, Geir.
(2023)
Produktutvikling.
Fagbokforlaget
Academic chapter/article/Conference paper
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Ringen, Geir.
(2023)
Case innen verdikjedebetraktninger i Industri 4.0.
Fagbokforlaget
Academic chapter/article/Conference paper
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Ringen, Geir;
Welo, Torgeir.
(2021)
Material substitution innovation - trajectories towards
circular economy.
ISPIM Lappeenranta University of Technology Press
Academic chapter/article/Conference paper
-
Ringen, Geir;
Pålsrud, Frode Gulbrandsen;
Lodgaard, Eirin Anita.
(2020)
Interorganizational Learning in Manufacturing Networks.
Springer Nature
Academic chapter/article/Conference paper
-
Ringen, Geir;
Welo, Torgeir.
(2020)
Material substitution innovation - trajectories towards circular economy.
ISPIM Lappeenranta University of Technology Press
Academic chapter/article/Conference paper
-
Ringen, Geir;
Holtskog, Halvor;
Welo, Torgeir.
(2020)
A Novel Value Driven Co-creation Framework.
Springer Nature
Academic chapter/article/Conference paper
-
Holtskog, Halvor;
Lied, Lars Harald;
Ringen, Geir.
(2018)
Coping with technology: A future of robots?.
Routledge
Academic chapter/article/Conference paper
-
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.
(2015)
Knowledge Based Development Practices in Systems Engineering Companies: A Comparative Study.
Curran Associates, Inc.
Academic chapter/article/Conference paper
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Ringen, Geir;
Rolfsen, Monica.
(2014)
Lean blir norsk.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ingvaldsen, Jonas A;
Ringen, Geir;
Rolfsen, Monica.
(2014)
Lean på global vandring.
Fagbokforlaget
Academic chapter/article/Conference paper
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Ingvaldsen, Jonas A;
Ringen, Geir.
(2014)
Første verktøyskuff: Standardisering.
Fagbokforlaget
Academic chapter/article/Conference paper
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Ingvaldsen, Jonas A;
Ringen, Geir.
(2014)
Tredje verktøyskuff: Visualisering.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ringen, Geir;
Lodgaard, Eirin Anita.
(2014)
Fjerde verktøyskuff: Kontinuerlig forbedring.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Ringen, Geir;
Rolfsen, Monica.
(2014)
Lean kommune.
Fagbokforlaget
Academic chapter/article/Conference paper
-
Aschehoug, Silje Helene;
Schulte, Kjersti Øverbø;
Ringen, Geir.
(2014)
Early Innovation Leadership.
The Design Society
Academic chapter/article/Conference paper
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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
-
Aschehoug, Silje Helene;
Boks, Casper;
Ringen, Geir;
Aasland, Knut Einar.
(2012)
Investigating the importance of sustainability information in Product Development and Design.
The Design Society
Academic chapter/article/Conference paper
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Ringen, Geir;
Henriksen, Ottar;
Myklebust, Odd.
(2012)
Raufoss Technology Globalization Straegies and Implementation.
Tapir Akademisk Forlag
Academic chapter/article/Conference paper
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Welo, Torgeir;
Ringen, Geir.
(2012)
NPD Practices in the Norwegian Manufacturing Industry: Assessing the Relationship between Key Dimensions and Performance.
Other
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Lodgaard, Eirin Anita;
Pellegård, Øystein;
Ringen, Geir;
Klokkehaug, Jon Andreas.
(2011)
Failure Mode and Effects Analysis in Combination with the Problem-Solving A3.
The Design Society
Other
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Ringen, Geir;
Sørby, Knut;
Martinsen, Kristian.
(2008)
High-pressure coolant chip control in boring of aluminium alloys.
Academic chapter/article/Conference paper
-
Fleten, Stein-Erik;
Ringen, Geir.
(2006)
New Renewable Electricity Capacity under Uncertainty: The Potential in Norway.
Academic chapter/article/Conference paper
Report
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Ingvaldsen, Jonas A;
Netland, Torbjørn H.;
Ringen, Geir.
(2014)
Step changes in mature production systems.
NTNU, IØT
Report
Teaching
Courses
- TØL4015 - Project work
- MM8500 - Innovasjon knyttet til komplekse systemer
- TØL4007 - Product Development
- TMM4960 - Produktutvikling og materialer, masteroppgave
- IØ6571 - Innføring i morgendagens digitale organisasjoner
- TMM4540 - Industriell IKT produktutvikling og materialer, fordypningsprosjekt
- TMM4285 - Livsløpsytelse for aluminiumsprodukter
- TMM4560 - Produktutvikling og materialer, fordypningsprosjekt
- TMM4280 - Avansert produktutvikling
- TMM4182 - Metallforming og tilhørende bærekraftige produksjonsprosesser
- TMM4935 - Industriell IKT, masteroppgave
Knowledge Transfer
2023
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Academic lectureRingen, Geir; Sandnes, Lise; Welo, Torgeir; Rolle, R.. (2023) The effect of gap variations on the quality of thick-walled FSW joints. The 12th Aluminium Two Thousand World Congress , Bologna 2023-09-18 - 2023-09-22
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Academic lectureHa, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2023) On Kinematics in Sequential Three-Dimensional Stretch Bending: Analytical Springback Model. International Manufacturing Science and Engineering Conference (MSEC 2023) , New Brunswick 2023-06-12 - 2023-06-13
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Academic lectureSariyarlioglu, Eren Can; Negozio, Marco; Ma, Jun; Welo, Torgeir; Ringen, Geir. (2023) Effect of Die Design on Charge Welds in Aluminium Extrusion. The 14th International Conference on the Technology of Plasticity , Mandelieu - La Napoule 2023-09-24 - 2023-09-29
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Academic lectureHolthe, Ragnar; Ringen, Geir. (2023) Rapid Sorting of Post-consumer Scrap Aluminium Alloys Based on Laser-Induced Breakdown Spectroscopy (LIBS). APMS 2023 IFIP International Conference on Advances in Production Management Systems , Trondheim 2023-09-18 - 2023-09-20
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Academic lectureRingen, Geir; Furu, Trond. (2023) Aluminium long span suspension bridges - ambitions, opportunities and challenges. AluQuebec and REGAL 15th International Aluminium Conference - INALCO , Quebec 2023-10-11 - 2023-11-13
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Academic lectureWelo, Torgeir; Ringen, Geir. (2023) Factors impacting implementation of Lean in Engineering. LSS World Lean Six Sigma World Conference , Orlando 2023-03-15 - 2023-03-16
2022
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Academic lectureRingen, Geir; Welo, Torgeir. (2022) Framework for Predicting Dimensional Accuracy of 3D-Formed Aluminum Profiles – Based on Industry 4.0 Principles. AEC ET22 - Aluminum Extruders Council 2022-05-03 - 2022-05-05
2021
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Academic lectureMa, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Ringen, Geir. (2021) On Dimensional Control in Rotary Stretch Bending of Aluminum Profiles: Loading-Path Effects. Purdue University 50th SME North American Manufacturing Research Conference (NAMRC 50, 2022) , West Lafayette 2021-06-27 - 2021-07-01
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Academic lectureHa, Taekwang; Ma, Jun; Blindheim, Jørgen; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2021) A computer vision-based, in-situ springback monitoring technique for bending of large profiles. Liege Univeristy 24th International Conference on Material Forming , Liege 2021-04-14 - 2021-04-16
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Academic lectureMa, Jun; Welo, Torgeir; Ringen, Geir. (2021) Efficient Prediction of Real-Time Forming Forces in Flexible Stretch Bending. Liege Univeristy 24th International Conference on Material Forming , Liege 2021-04-14 - 2021-04-16
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Academic lectureRingen, Geir; Welo, Torgeir. (2021) Material substitution innovation - trajectories towards circular economy. ISPIM XXXII ISPIM Innovation Conference - Innovating Our Common Future , Berlin 2021-06-20 - 2021-06-23
2020
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Academic lectureWelo, Torgeir; Ma, Jun; Blindheim, Jørgen; Ha, Taekwang; Ringen, Geir. (2020) Flexible 3D Stretch Bending of Aluminium Alloy Profiles: An Experimental and Numerical Study. AGH University of Science and Technology 18th International Conference on Metal Forming 2020-09-13 - 2020-09-16
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Academic lectureHa, Taekwang; Ma, Jun; Blindheim, Jørgen; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2020) In-line Springback Measurement for Tube Bending Using a Laser System. European Scientific Association for Materials Forming 23rd International Conference on Material Forming 2020-05-04 - 2020-05-08
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Academic lectureHa, Taekwang; Murudkar, Rahul; Hartwig, Karl; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. (2020) A feasibility study of continuous grain refinement of sheet metal. SME 48th SME North American Manufacturing Research Conference 2020-06-22 - 2020-06-26
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Academic lectureMa, Jun; Ha, Taekwang; Welo, Torgeir; Blindheim, Jørgen; Ringen, Geir. (2020) Exploring the Influence of Pre/Post-Aging on Springback in Al-Mg-Si Alloy Tube Bending. European Scientific Association for Materials Forming 23rd International Conference on Material Forming 2020-05-04 - 2020-05-08
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Academic lectureRingen, Geir; Lodgaard, Eirin Anita. (2020) Interorganizational Learning in Manufacturing Networks. APMS APMS 2020 , Novi Sad 2020-08-30 - 2020-09-03
2018
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Academic lectureHuang, Lizhen; Martinsen, Kristian; Holtskog, Halvor; Ringen, Geir. (2018) Data driven recycling: products as plastic bank. Univerisity i Agder Coping with the future , Kristansand 2018-10-08 - 2018-10-10
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Academic lectureHoltskog, Halvor; Ringen, Geir; Ennals, Richard. (2018) The insufficiency of Lean thinking and how to build an alternative powerful and persuasive thinking. UiA and NTNU Coping with the Future - conference , Kristiansand 2018-10-08 - 2018-10-10
2014
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Academic lectureAschehoug, Silje Helene; Schulte, Kjersti Øverbø; Ringen, Geir. (2014) Early Innovation Leadership. The Design Society 2014 NordDesign 2014 , Espoo 2014-08-27 - 2014-08-29
2013
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Academic lectureAschehoug, Silje Helene; Ringen, Geir. (2013) Open Innovation and Idea Generation in SMEs. The Design Society ICED 13 , Seoul 2013-08-19 - 2013-08-22
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Academic lectureWelo, Torgeir; Ringen, Geir. (2013) Implementing an Event-Driven NPD Process: A Case Study of Absorptive Capacity of the Concept within Project Teams. The Design Society ICED 13 , Seoul 2013-08-19 - 2013-08-22
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Academic lectureIngvaldsen, Jonas A; Holtskog, Halvor; Ringen, Geir. (2013) The Ambivalence of Supervisors in Industry Revisited: Bosses or Primus Inter Pares?. IWOT INTERNATIONAL WORKSHOP ON TEAMWORKING 17 , Leiden 2013-09-12 - 2013-09-13
2012
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Popular scientific lectureAschehoug, Silje Helene; Ringen, Geir; Schulte, Kjersti Øverbø. (2012) Lean produktutvikling i Tine. Tine FoU Miniseminar , Oslo 2012-11-23 - 2012-11-23
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Academic lectureWelo, Torgeir; Ringen, Geir. (2012) NPD Practices in the Norwegian Manufacturing Industry: Assessing the Relationship between Key Dimensions and Performance. The International Society for Professional Innovation Manage 5th ISPIM Innovation Symposium - Stimulating Innovation: Challenges for Management, Science & Technology , Seoul 2012-12-09 - 2012-12-12
2011
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Academic lectureLodgaard, Eirin Anita; Pellegård, Øystein; Ringen, Geir; Klokkehaug, Jon Andreas. (2011) Failure Mode and Effects Analysis in Combination with the Problem-Solving A3. International Conference on Engineering Design, ICED11 , København 2011-08-15 - 2011-08-18
2009
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Academic lectureRingen, Geir; Lodgaard, Eirin Anita; Langeland, Camilla. (2009) Continuous Improvement in a Product Development Environment. Chalmers University of Technology 2nd Nordic Conference on Product Lifecycle Management , Gøteborg 2009-01-28 - 2009-01-29