Prof. Dr. Stojan KRAVANJA, DSc, MSc, BSc

PERSONAL DATA
Birth:  Maribor, Slovenia, December 16, 1957

EDUCATION

• Dipl. Eng. Civil Engineering, High Technical School, University of Maribor (1981)
• M.Sc. Technical Science, Faculty of Technical Sciences, University of Maribor (1991)
• Ph.D. Technical Science, Faculty of Civil Engineering, University of Maribor (1996)

PAST POSITIONS

• Stavbar Maribor, the first job – before the study, Construction technician (1976)
• Projekt Maribor, Structural Engineer (1981-1984)
• Metalna Maribor, Structural Engineer (1984-1986, 1987-1989)
• Artex, New York, Project manager (1986-1987)
• University of Maribor, Faculty of Technical Sciences, Senior Researcher (1989-1996)
• University of Maribor, Faculty of Civil Engineering:
• Assistant Professor (1996-2001)
• Associate Professor (2001-2006)
• Chair for Metal Structures (2007 – 2023)
• Vice-Dean for International Cooperation (2009 – 2011)

CURRENT POSITION

• University of Maribor, Faculty of Civil Engineering, Transportation Engineering and Architecture:
• Professor (2006 -)
• Vice-Dean for Science and Research (2011 -)
• Head of the doctoral study program (2009 -)

MAIN RESEARCH TOPICS

Structural optimization, Non-linear programming (NLP), Mixed-integer non-linear programming (MINLP), Structural analysis, Structural engineering, Steel structures, Concrete-steel and concrete-timber composite structures, Steel buildings, Industrial buildings and Hydro-technical structures (gates, penstocks, cranes) for dams and hydro-power plants.

CURRENT VISITING PROFESSOR

Faculty of Engineering, Department of Engineering Mechanics, doctoral study, University of Rijeka, Croatia

CURRENT MEMBER OF THE EDITORIAL ADVISORY BOARD

• International Journal of Computational Methods and Experimental Measurements, IIETA, ISSN 2046-0546 (Print), ISSN 2046-0554 (Electronic), https://www.iieta.org/Journals/IJCMEM
• Engineering Review, ISSN 1330-9587 (Print), ISSN 1849-0433 (Online), https://er.riteh.hr/index.php/ER/about/editorialTeam

WORLD LARGE PRACTICAL REFERENCES (structural designs)

• KRAVANJA, Stojan, Bekhme Power Project, Iraq, Diversion Tunnel equipment, Closure Gate, Metalna Maribor,1987-1989. One of the most loaded vertical-lift gates in the world: 155610 kN (15561 tons) of hydrostatic force per gate.
• KRAVANJA, Stojan, BEDENIK, Branko, Miroslav K, Barrage de Bou Hanifia, Algerie, Deversoir, Flap gates, Metalna Maribor and TF, Faculty of Civil Engineering, Maribor, 1989-1990. These flap gates are one of the largest of their type in the world.

SOME ORIGINAL SCIENTIFIC ARTICLES IN LAST DECADE (JCR,WoS, 2013-2022)

1. ŠILIH, Simon, KRAVANJA, Zdravko, KRAVANJA, Stojan. The MINLP approach to topology, shape and discrete sizing optimization of trusses. Applied sciences. 29 Jan. 2022, vol. 12, iss. 3, 36 p., ISSN 2076-3417. https://www.mdpi.com/2076-3417/12/3/1459, DOI: 10.3390/app12031459. [COBISS.SI-ID 96336899
2. JELUŠIČ, Primož, KRAVANJA, Stojan. Optimal design and competitive spans of timber floor joists based on multi-parametric MINLP optimization. Materials. April 2022, vol. 15, iss. 9 (3217), 25 p. ISSN 1996-1944. DOI: 10.3390/ma15093217. [COBISS.SI-ID 106691331
3. KRAVANJA, Stojan, KLANŠEK, Uroš, ŽULA, Tomaž. Mass, direct cost and energy life-cycle cost optimization of steel-concrete composite floor structures. Applied sciences. Nov. 2021, vol. 11, iss. 21 (10316), pp. 1-23, ISSN 2076-3417. DOI: 10.3390/app112110316. [COBISS.SI-ID 83468803]
4. LEŠNIK NEDELKO, Maja, KRAVANJA, Stojan, PREMROV, Miroslav, ŽEGARAC LESKOVAR, Vesna. Optimal design of timber-glass upgrade modules for vertical building extension from the viewpoints of energy efficiency and visual comfort. Applied energy. 15 July 2020, vol. 270 (115173), pp. 1-15. ISSN 0306-2619. DOI: 10.1016/j.apenergy.2020.115173. [COBISS.SI-ID 16570115]
5. JELUŠIČ, Primož, KRAVANJA, Stojan, ŽLENDER, Bojan. Optimal cost and design of an underground gas storage by ANFIS. Journal of natural gas science and engineering. [Print ed.]. 2019, pp. 142-157. ISSN 1875-5100. DOI: 10.1016/j.jngse.2018.11.003. [COBISS.SI-ID 21866262]
6. JELUŠIČ, Primož, KRAVANJA, Stojan. Flexural analysis of laminated solid wood beams with different shear connections. Construction & building materials. [Print ed.]. June 2018, vol. 174, pp. 456-465. ISSN 0950-0618. https://www.sciencedirect.com/science/article/pii/S0950061818309000, DOI: 10.1016/j.conbuildmat.2018.04.102. [COBISS.SI-ID 21388822]
7. KRAVANJA, Stojan. Optimization of a steel penstock with stiffener rings. E-GFOS. 2018, no. 17, pp. 64-73, ISSN 1847-8948. http://e-gfos.gfos.hr/app/storage/protected/20-12-2018-12-59-42-paper-7-kravanja.pdf, DOI: 10.13167/2018.17.7. [COBISS.SI-ID 22007574]
8. JELUŠIČ, Primož, KRAVANJA, Stojan. Optimal design of timber-concrete composite floors based on the multi-parametric MINLP optimization. Composite structures. [Print ed.]. Nov. 2017, vol. 179, pp. 285-293. ISSN 0263-8223. http://www.sciencedirect.com/science/article/pii/S0263822317317397, DOI: 10.1016/j.compstruct.2017.07.062. [COBISS.SI-ID 20740374]
9. KRAVANJA, Stojan, ŽULA, Tomaž, KLANŠEK, Uroš. Multi-parametric MINLP optimization study of a composite I beam floor system. Engineering structures. [Print ed.]. January 2017, vol. 130, pp. 316-335. ISSN 0141-0296. DOI: 10.1016/j.engstruct.2016.09.012. [COBISS.SI-ID 19992598]
10. ŽULA, Tomaž, KRAVANJA, Stojan, KLANŠEK, Uroš. MINLP optimization of a composite I beam floor system. Steel and composite structures. [Print ed.]. 2016, vol. 22, no 5, pp. 1163-1192, ISSN 1229-9367. DOI: 10.12989/scs.2016.22.5.1163. [COBISS.SI-ID 20103958]
11. KRAVANJA, Stojan, TURKALJ, Goran, ŠILIH, Simon, ŽULA, Tomaž. Optimal design of single-story steel building structures based on parametric MINLP optimization. Journal of constructional steel research. [Print ed.]. Jan. 2013, vol. 81, pp. 86-103. ISSN 0143-974X. DOI: 10.1016/j.jcsr.2012.11.008. [COBISS.SI-ID 16641046]

SOME ORIGINAL SCIENTIFIC ARTICLES ON STRUCTURAL OPTIMIZATION:

1. Development of a new optimization method, MINLP algorithms and strategies:

– KRAVANJA, Stojan, KRAVANJA, Zdravko, BEDENIK, Branko. The MINLP optimization approach to structural synthesis. Part I, A general view on simultaneous topology and parameter optimization. Int. j. numer. methods eng., 1998, 43, no. 2, str. 263-292.

– KRAVANJA, Stojan, KRAVANJA, Zdravko, BEDENIK, Branko. The MINLP optimization approach to structural synthesis. Part II, Simultaneous topology, parameter and standard dimension optimization by the use of the linked two-phase MINLP strategy. Int. j. numer. methods eng., 1998, 43, no. 2, str. 293-328.

– KRAVANJA, Stojan, KRAVANJA, Zdravko, BEDENIK, Branko. The MINLP optimization approach to structural synthesis. Part III, Synthesis of roller and sliding hydraulic steel gate structures. Int. j. numer. methods eng., 1998, 43, no. 2, str. 329-364.

2. Optimization of composite structures:

– KLANŠEK, Uroš, KRAVANJA, Stojan. Cost estimation, optimization and competitiveness of different composite floor systems. Part 1, Self-manufacturing cost estimation of composite and steel structures. J. Constr. steel res., 2006, vol. 62, iss. 5, str. 434-448.

–  KLANŠEK, Uroš, KRAVANJA, Stojan. Cost estimation, optimization and competitiveness of different composite floor systems. Part 2, Optimization based competitiveness between the composite I beams, channel-section and hollow-section trusses. J. Constr. steel res., 2006, vol. 62, iss. 5, str. 449-462.

– ŽULA, Tomaž, KRAVANJA, Stojan, KLANŠEK, Uroš. MINLP optimization of a composite I beam floor system. Steel and composite structures, 2016, vol. 22, no 5, str. 1163-1192.

– KRAVANJA, Stojan, ŽULA, Tomaž, KLANŠEK, Uroš. Multi-parametric MINLP optimization study of a composite I beam floor system. Engineering structures, 2017, vol. 130, str. 316-335.

– JELUŠIČ, Primož, KRAVANJA, Stojan. Optimal design of timber-concrete composite floors based on the multi-parametric MINLP optimization. Composite structures 2017, vol. 179, str. 285-293.

3. Optimization of framed steel building structures:

– KLANŠEK, Uroš, ŽULA, Tomaž, KRAVANJA, Zdravko, KRAVANJA, Stojan. MINLP optimization of steel frames. Adv. steel constr., 2007, vol. 3, no 3, str. 689-705.

– ŽULA, Tomaž, KRAVANJA, Zdravko, KRAVANJA, Stojan. MINLP optimization of a single-storey industrial steel building. Stroj. vestn., 2008, vol. 54, iss. 10, str. 707-724.

– KRAVANJA, Stojan, ŽULA, Tomaž. Cost optimization of industrial steel building structures. Advances in engineering software, 2010, vol. 41, iss. 3, str. 442-450.

-KRAVANJA, Stojan, TURKALJ, Goran, ŠILIH, Simon, ŽULA, Tomaž. Optimal design of single-story steel building structures based on parametric MINLP optimization. Journal of constructional steel research, 2013, vol. 81, str. 86-103.

4. Optimization of special structures:

-KRAVANJA, Stojan. Optimization of the Sultartangi sliding gates in Iceland. The international journal on hydropower & dams, 2002, vol. 9, iss. 2, str. 42-45.

-REP, Karmen, KOMPARE, Boris, ROŠ, Milenko, KRAVANJA, Stojan. Cost optimization of integrated wastewater drainage and treatment systems. Water environment research, 2008, vol. 80, no. 7, str. 581-595.

-ŽLENDER, Bojan, KRAVANJA, Stojan. Cost optimization of the underground gas storage. Engineering structures, 2011, vol. 33, iss. 9, str. 2554-2562.

-JELUŠIČ, Primož, KRAVANJA, Stojan, ŽLENDER, Bojan. Optimal cost and design of an underground gas storage by ANFIS. Journal of natural gas science and engineering, 2019, str. 142-157.

-KRAVANJA, Stojan. Optimization of a steel penstock with stiffener rings, E-GFOS, 2018, vol. 9, no. 17, str. 64-73.

POVEZAVE

COBISS: https://bib.cobiss.net/biblioweb/biblio/si/eng/conor/2818147

ORCID ID: https://orcid.org/0000-0002-4211-6007

ResearchGate: https://www.researchgate.net/profile/Stojan-Kravanja

SICRIS: https://cris.cobiss.net/ecris/si/sl/researcher/6126

Stojan Kravanja, see also:  SCOPUS, WoS