Publikationer per år
Publikationer per år
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2022
The supporting hyperplane optimization toolkit for convex MINLP
Lundell, A., Kronqvist, J. & Westerlund, T., 2022, I: Journal of Global Optimization. 41 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
Öppen tillgångFil2 Citeringar (Scopus)5 Nedladdningar (Pure) -
2021
Using projected cutting planes in the extended cutting plane method
Westerlund, T., Eronen, V-P. & Mäkelä, M. M., 15 juni 2021, (E-pub före tryck) I: Optimization.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
Öppen tillgångFil33 Nedladdningar (Pure) -
2020
On mixed integer nonsmooth optimization
Eronen, V-P., Westerlund, T. & Mäkelä, M. M., 2020, Numerical Nonsmooth Optimization: State of the Art Algorithms. Bagirov, A. M., Gaudioso, M., Karmitsa, N., Mäkelä, M. M. & Taheri, S. (red.). Springer, Cham, s. 549–578 30 s.Forskningsoutput: Kapitel i bok/konferenshandling › Kapitel › Vetenskaplig › Peer review
Öppen tillgångFil18 Nedladdningar (Pure) -
2019
A center-cut algorithm for quickly obtaining feasible solutions and solving convex MINLP problems
Kronqvist, J., Bernal, DE., Lundell, A. & Westerlund, T., 2019, I: Computers and Chemical Engineering. 122, s. 105–113 9 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
10 Citeringar (Scopus) -
2018
On solving generalized convex MINLP problems using supporting hyperplane techniques
Westerlund, T., Eronen, V-P. & Mäkelä, M. M., 2018, I: Journal of Global Optimization. 71, 4, s. 987–1011 25 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
7 Citeringar (Scopus) -
Reformulations for utilizing separability when solving convex MINLP problems
Kronqvist, J., Lundell, A. & Westerlund, T., 2018, I: Journal of Global Optimization. 71, 3, s. 571–592 22 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
15 Citeringar (Scopus) -
Solving global optimization problems using reformulations and signomial transformations
Lundell, A. & Westerlund, T., 2018, I: Computers and Chemical Engineering. 116, s. 122–134Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
8 Citeringar (Scopus) -
2017
A center-cut algorithm for solving convex mixed-integer nonlinear programming problems
Kronqvist, J., Lundell, A. & Westerlund, T., 2017, 27 European Symposium on Computer Aided Process Engineering. Espuña, A., Graells, M. & Puigjaner, L. (red.). Elsevier, s. 2131–2136Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
6 Citeringar (Scopus) -
Application of an extended shrinking film model to limestone dissolution
Russo, V., Salmi, T., Carletti Guerrero, C., Murzin, D., Westerlund, T., Tesser, R. & Grénman, H., 2017, I: Industrial & Engineering Chemistry Research. 56, 45, s. 13254–13261Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
4 Citeringar (Scopus) -
Application of film theory on the reactions of solid particles with liquids: shrinking particles with changing liquid films
Salmi, T., Russo, V., Carletti Guerrero, C., Kilpiö, T., Tesser, R., Murzin, D., Westerlund, T. & Grénman, H., 2017, I: Chemical Engineering Science. 160, s. 161–170Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
11 Citeringar (Scopus) -
Method for solving generalized convex nonsmooth mixed-integer nonlinear programming problems
Eronen, V-P., Kronqvist, J., Westerlund, T., Mäkelä, M. M. & Karmitsa, N., 2017, I: Journal of Global Optimization. 69, 2, s. 443–459 17 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
8 Citeringar (Scopus) -
SHOT – A global solver for convex MINLP in Wolfram Mathematica
Lundell, A., Kronqvist, J. & Westerlund, T., 2017, 27 European Symposium on Computer Aided Process Engineering. Espuña, A., Graells, M. & Puigjaner, L. (red.). Elsevier, s. 2137–2142Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
4 Citeringar (Scopus) -
Solving 0–1 quadratic programs by reformulation techniques
Pörn, R., Nissfolk, O., Skjäl, A. & Westerlund, T., 2017, I: Industrial & Engineering Chemistry Research. 56, 45, s. 13444–13453Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
2 Citeringar (Scopus) -
Ultrasonic enhanced limestone dissolution: experimental and mathematical modeling
Carletti Guerrero, C., De Blasio, C., Miceli, M., Pirone, R. & Westerlund, T., 2017, I: Chemical Engineering and Processing. 118, s. 26–36 11 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
15 Citeringar (Scopus) -
2016
A study on supercritical water gasification of black liquor conducted in stainless steel and nickel-chromium-molybdenum reactors
De Blasio, C., Lucca, G., Özdenkci, K., Mulas, M., Lundqvist, K., Koskinen, J., Santarelli, M., Westerlund, T. & Järvinen, M., 2016, I: Journal of Chemical Technology and Biotechnology. 91, 10, s. 2664–2678 15 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
45 Citeringar (Scopus) -
Employing a step-wise titration method under semi-slow reaction regime for evaluating the reactivity of limestone and dolomite in acidic environment
De Blasio, C., Carletti, C., Lundell, A., Visuri, V-V., Kokkonen, T., Westerlund, T., Fabritius, T. & Järvinen, M., 2016, I: Minerals Engineering. 86, s. 43–58 16 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
10 Citeringar (Scopus) -
Improvements to the Supporting Hyperplane Optimization Toolkit Solver for Convex MINLP
Lundell, A., Kronqvist, J. & Westerlund, T., 2016, Proceedings of the XIII Global Optimization Workshop, GOW'16, 4-8 September 2016. A. C. Rocha, A. M., Fernanda P. Costa, M. & G. P. Fernandes, E. M. (red.). Universidade do minho, s. 101–104Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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Lifted polyhedral approximations in convex mixed integer nonlinear programming
Kronqvist, J., Lundell, A. & Westerlund, T., 2016, Proceedings of the XIII Global Optimization Workshop, GOW'16, 4-8 September 2016. A. C. Rocha, A. M., Fernanda P. Costa, M. & G. P. Fernandes, E. M. (red.). Universidade do minho, s. 117–120Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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Revisiting the dissolution kinetics of limestone – experimental analysis and modeling
Carletti, C., Grénman, H., De Blasio, C., Mäkilä, E., Salonen, J., Murzin, D., Salmi, T. & Westerlund, T., 2016, I: Journal of Chemical Technology and Biotechnology. 91, 5, s. 1517–1531Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
10 Citeringar (Scopus) -
Testing the non-diagonal quadratic convex reformulation technique
Nissfolk, O., Pörn, R. & Westerlund, T., 2016, 26th European Symposium on Computer Aided Process Engineering. Kravanja, Z. (red.). Elsevier, s. 331–336Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
1 Citeringar (Scopus) -
The effects of physical properties on continuous-operation supercritical water gasification of biomass
De Blasio, C., Özdenkçi, K., Saqlain, M., Magdeldin, M., Kohl, T., Westerlund, T. & Järvinen, M., 2016, SDEWES Conference : book of abstracts. et al., M. B. (red.). Faculty of Mechanical Engineering and Naval Architecture, Zagreb, s. 304–Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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The extended supporting hyperplane algorithm for convex mixed-integer nonlinear programming
Kronqvist, J., Lundell, A. & Westerlund, T., 2016, I: Journal of Global Optimization. 64, 2, s. 249–272Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
46 Citeringar (Scopus) -
2015
Extended cutting plane method for a class of nonsmooth nonconvex MINLP problems
Eronen, V-P., Mäkelä, M. M. & Westerlund, T., 2015, I: Optimization. 64, 3, s. 641–661 21 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
16 Citeringar (Scopus) -
Hydrothermal conversion of biomass at supercritical conditions for gaseous fuel production: results, new challenges, and developments
De Blasio, C., Kohl, T., Magdeldin, M., Westerlund, T. & Järvinen, M., 2015, The International Chemical Congress of Pacific Basin Societies, December 15-20, 2015, Honolulu, Hawaii. s. –Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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On modelling the roles played by diffusive and convective transport in limestone dissolution for wet flue gas desulphurisation
Carletti, C., De Blasio, C., Grénman, H. & Westerlund, T., 2015, I: Chemical Engineering Transactions. 43, s. 2131–2136Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
1 Citeringar (Scopus) -
Optimization of a wet flue gas desulfurization scrubber through mathematical modeling of limestone dissolution experiments
Carletti, C., De Blasio, C., Mäkilä, E., Salonen, J. & Westerlund, T., 2015, I: Industrial & Engineering Chemistry Research. 54, 40, s. 9783–9797Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
16 Citeringar (Scopus) -
Representation of the convex envelope of bilinear terms in a reformulation framework for global optimization
Lundell, A. & Westerlund, T., 2015, I: Computer Aided Chemical Engineering. 37, s. 833–838 6 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
2 Citeringar (Scopus) -
2014
Analysis of solid concentration distribution in dense solid-liquid stirred tanks by electrical resistance tomography
Carletti, C., Montante, G., Westerlund, T. & Paglianti, A., 2014, I: Chemical Engineering Science. 119, s. 53–64 12 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
63 Citeringar (Scopus) -
An extended supporting hyperplane algorithm for convex MINLP problems
Lundell, A., Kronqvist, J. & Westerlund, T., 2014, Proceedings of the XII global optimization workshop : mathematical and applied global optimization, MAGO 2014. Casado, LG., García, I. & Hendrix, EMT. (red.). s. 21–24Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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A novel reactor setup for studying limestone dissolution kinetics
Carletti, C., Grénman, H., De Blasio, C., Salmi, T., Murzin, D. & Westerlund, T., 2014, XXI International Conference on Chemical Reactors (CHEMREACTOR‐21). Noskov, AS. (red.). Boreskov Institute of Catalysis of the Siberian Branch of the Russian Academy of Science, s. 198–199Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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New methods for calculating α BB-type underestimators
Skjäl, A. & Westerlund, T., 2014, I: Journal of Global Optimization. 58, 3, s. 411–427 17 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
17 Citeringar (Scopus) -
On the generalization of ECP and OA methods to nonsmooth convex MINLP problems
Eronen, V-P., Mäkelä, M. M. & Westerlund, T., 2014, I: Optimization. 63, 7, s. 1057–1073 17 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
20 Citeringar (Scopus) -
Solid Concentration Distribution In Slurry Stirred Tanks
Carletti, C., Montante, G., Westerlund, T. & Paglianti, A., 2014, 13th International Conference on Multiphase Flow In Industrial Plants, MFIP13. Di Felice, R. (red.). Mediterrean Foundation, s. –Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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Supercritical water gasification of biomass in tubular reactors, a study from experiments conducted in stainless steel and nickel-chromium-molybdenum catalyst
De Blasio, C., Lucca, G., Özdenkçi, K., Mulas, M., Lundqvist, K., Koskinen, J., Santarelli, M., Westerlund, T. & Järvinen, M., 2014, 1st South East European Conference on Sustainable Development of Energy, Water and Environment Systems (SEE-SDEWES) 29 June - 3 July, 2014, Ohrid, Republic of Macedonia. Faculty of Mechanical Engineering and Naval Architecture, Zagreb, s. –Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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2013
A reformulation framework for global optimization
Lundell, A., Skjäl, A. & Westerlund, T., 2013, I: Journal of Global Optimization. 57, 1, s. 115–141Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
11 Citeringar (Scopus) -
Improved discrete reformulations for the quadratic assignment problem
Nyberg, A., Westerlund, T. & Lundell, A., 2013, Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems: 10th International Conference, CPAIOR 2013, Yorktown Heights, NY, USA, May 18-22, 2013. Proceedings. Springer Berlin Heidelberg, s. 193-203 (Lecture Notes in Computer Science; vol. 7874).Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
4 Citeringar (Scopus) -
Limestone dissolution study for wet flue gas desulfurization under turbulent regimes above critical suspension speed
Carletti, C., Grénman, H., De Blasio, C. & Westerlund, T., 2013, I: Computer Aided Chemical Engineering. 32, s. 301–306 6 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
2 Citeringar (Scopus) -
Modeling limestone reactivity and sizing the dissolution tank in wet flue gas desulfurization scrubbers
Carletti, C., Bjondahl, F., De Blasio, C., Ahlbeck, J., Järvinen, L. & Westerlund, T., 2013, I: Environmental Progress and Sustainable Energy. 32, 3, s. 663–672 10 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
22 Citeringar (Scopus) -
On modeling the dissolution of sedimentary rocks in acidic environments. An overview of selected mathematical methods with presentation of a case study
De Blasio, C., Carletti, C., Westerlund, T. & Järvinen, M., 2013, I: Journal of Mathematical Chemistry. 51, 8, s. 2120–2143Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
8 Citeringar (Scopus) -
On the reactivity of carbonate rocks utilized in wet flue gas desulfurization: modeling the reaction kinetics of solid particles by a step-wise titration method with turbulent conditions
De Blasio, C., Carletti Guerrero, C., Westerlund, T. & Järvinen, M., 2013, 5th International Conference on Applied Energy, South Africa, July 1-4, 2013. University of Pretoria, s. –Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
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Refinement strategies for piecewise linear functions utilized by reformulation-based techniques for global optimization
Lundell, A. & Westerlund, T., 2013, I: Computer Aided Chemical Engineering. 32, s. 529–534 6 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
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The reformulation-based αGO algorithm for solving nonconvex MINLP problems - some improvements
Lundell, A. & Westerlund, T., 2013, 11th International Conference on Chemical and Process Engineering - selected papers of ICheaP11. Pierucci, S. & Klemeš, J. J. (red.). Associazione Italiana di Ingegneria Chimica, s. 1321–1326 6 s.Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
1 Citeringar (Scopus) -
2012
Finding an optimized set of transformations for convexifying nonconvex MINLP problems
Lundell, A., Andreas, Westerlund, T. & Tapio, 2012, 11th International Symposium on Process Systems Engineering. A Karimi, I. & Srinivasan, R. (red.). Elsevier, s. 1497–1501 5 s.Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
3 Citeringar (Scopus) -
Global optimization of mixed-integer signomial programming problems
Lundell, A. & Westerlund, T., 2012, Mixed integer nonlinear programming. Lee, J. & Leyffer, S. (red.). Springer, s. 349–369Forskningsoutput: Kapitel i bok/konferenshandling › Kapitel › Vetenskaplig › Peer review
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Modeling the dissolution of carbonate minerals utilized in Flue Gas Desulfurization scrubbers. A stepwise titration technique applied to low Grashof-Reynolds ratio
De Blasio, C., Carletti, C., Lundqvist, K., Saeed, L., Westerlund, T. & Fogelholm, C-J., 2012, I: Computer Aided Chemical Engineering. 31, s. 465–469Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
1 Citeringar (Scopus) -
Use of Carbonate Rocks for Flue Gas Desulfurization: Reactive dissolution of limestone particles
De Blasio, C., Mäkilä, E. & Westerlund, T., 2012, I: Applied Energy. 90, 1, s. 175–181Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
20 Citeringar (Scopus) -
2011
Evaluating the reactivity of limestone utilized in flue gas desulfurization. An application of the Danckwerts theory for particles reacting in acidic environments and agitated vessels with Archimedes number less than 40.
De Blasio, C., Carletti, C., Järvinen, L. & Westerlund, T., 2011, 21st European Symposium on Computer Aided Process Engineering - ESCAPE21. N. Pistikopoulos, E., C. Georgiadis, M. & C. Kokossis, A. (red.). Elsevier, s. –Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review
Fil2 Citeringar (Scopus)3 Nedladdningar (Pure) -
Global Optimization with C^2 Constraints by Convex Reformulations
Skjäl, A., Lundell, A. & Westerlund, T., 2011, I: Chemical Engineering Transactions. 24, s. 373–378 6 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
2 Citeringar (Scopus) -
On convex relaxations in nonconvex optimization
Westerlund, T., Tapio, Lundell, A., Andreas, Westerlund & Joakim, 2011, I: Chemical Engineering Transactions. 24, s. 331–336 6 s.Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review
6 Citeringar (Scopus) -
Some notes on convex relaxations
Westerlund, T., Lundell, A. & Westerlund, J., 2011, Tenth International Conference on Chemical and Process Engineering ICheaP-10. Pierucci & Sauro (red.). Associazione Italiana di Ingegneria Chimica, s. 383–392Forskningsoutput: Kapitel i bok/konferenshandling › Konferensbidrag › Vetenskaplig › Peer review