1993 …2020

Research output per year

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Research Output

2020

Limit state analyses in design of thin-walled marine structures - Some aspects on length-scales

Romanoff, J., Remes, H., Varsta, P., Reinaldo Goncalves, B., Körgesaar, M., Lillemäe-Avi, I., Jelovica, J. & Liinalampi, S., 1 Jun 2020, In : JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. 142, 3, 8 p., 030801.

Research output: Contribution to journalArticleScientificpeer-review

2019

Effect of weld modelling on crashworthiness optimization

Körgesaar, M., Romanoff, J., Varsta, P. & St-Pierre, L., 16 May 2019, Trends in the Analysis and Design of Marine Structures: Proceedings of the 7th International Conference on Marine Structures (MARSTRUCT 2019, Dubrovnik, Croatia, 6-8 May 2019). Guedes Soares, C. & Parunov, J. (eds.). p. 231-237 7 p. (Trends in the Analysis and Design of Marine Structures - Proceedings of the 7th International Conference on Marine Structures, MARSTRUCT 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2018

Limit state analyses in design of thin-walled marine structures-some aspects on length-scales

Romanoff, J., Remes, H., Varsta, P., Goncalves, B. R., Lillemäe-Avi, I., Körgesaar, M., Jelovica, J. & Liinalampi, S., 1 Jan 2018, Honoring Symposium for Professor Carlos Guedes Soares on Marine Technology and Ocean Engineering. American Society of Mechanical Engineers, Vol. 11B.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2017

Factors affecting the fatigue strength of thin-plates in large structures

Remes, H., Romanoff, J., Lillemäe, I., Frank, D., Liinalampi, S., Lehto, P. & Varsta, P., Aug 2017, In : INTERNATIONAL JOURNAL OF FATIGUE. 101, p. 397-407 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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11 Citations (Scopus)
94 Downloads (Pure)
2016

Use of a Equivalent Single Layer Plate Theory in Ship Structural Design

Romanoff, J., Jelovica, J., Avi, E., Reinaldo, G., Körgesaar, M., Raikunen, J., Remes, H., Niemelä, A., Reddy, J. & Varsta, P., 2016, Proceedings of the 13th International Symposium on PRActical Design of Ships and Other Floating Structures (PRADS' 2016). Nielsen, U. D. & Jensen, J. J. (eds.). Technical University of Denmark, p. 451-458

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)
2013

Hull-superstructure interaction in optimised passenger ships

Romanoff, J., Remes, H., Varsta, P., Jelovica, J., Klanac, A., Niemelä, A., Bralic, S. & Naar, H., 2013, In : Ships and Offshore Structures. 8, 6, p. 612-620

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Shear Response of Prismatic Ship Hull Girders

Melk, K., Romanoff, J., Remes, H., Varsta, P., Naar, H. & Niemelä, A., 2013, The 4th International Conference on Marine Structures, March 25th 27th 2013, Helsinki, Finland. p. 477-484

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)
2012

Continuum approach to fatigue crack initiation and propagation in welded steel joints

Remes, H., Varsta, P. & Romanoff, J., 2012, In : INTERNATIONAL JOURNAL OF FATIGUE. 40, p. 16-26

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

Influence of weld stiffness on buckling strength of laser-welded web-core sandwich plates

Jelovica, J., Romanoff, J., Ehlers, S. & Varsta, P., 2012, In : Journal of Constructional Steel Research. 77, 0, p. 12-18

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)

Numerical and Experimental Investigation on the Collision Resistance of the X-core Structure

Ehlers, S., Tabri, K., Romanoff, J. & Varsta, P., 2012, In : Ships and Offshore Structures. 7, 1, p. 21-29

Research output: Contribution to journalArticleScientificpeer-review

43 Citations (Scopus)
2011

Collision strength of ship structures-a state of the art review

Ehlers, S., Tabri, K. & Varsta, P., 2011, MARINE TECHNOLOGY AND ENGINEERING: 1st International Conference of Maritime Technology and Engineering, MARTECH 2011, Lisbon, 10 May 2011 - 12 May 2011. p. 841-850

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Cruise and Ferry Experience program for Future Passenger Ship Designers

Ahola, M., Romanoff, J., Kujala, P., Remes, H. & Varsta, P., 2011, International Conference on Education and Professional Development of Engineers in Maritime Industry, December 7th-8th 2011, Newcastle, UK. Newcastle, UK: The Royal Institution of Naval Architects, p. 35-40

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

4 Citations (Scopus)

Design of marine structures with improved safety for environment

Klanac, A. & Varsta, P., Jan 2011, In : Reliability Engineering and System Safety. 96, 1, p. 75-90 16 p.

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

Hull/Superstructure-Interaction in Optimized Passenger Ships

Remes, H., Romanoff, J., Varsta, P., Naar, H., Niemelä, A., Jelovica, J., Klanac, A. & Bralic, S., 2011, ADVANCES IN MARINE STRUCTURES: MARSTRUCT 2011, 3rd International Conference on Marine Structures, 28-30 March 2011, Hamburg, Germany. Hamburg, Germany, p. 625-632

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)
2010

Collision and Grounding of Ship Structures

Varsta, P., Ehlers, S., Klanac, A. & Tabri, K., 2010, Advanced Ship Design for Pollution Prevention, Split, 2010. C. Guedes Soares, J. P. (ed.). London, p. 191-204

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Interaction between Web-Core Sandwich Deck and Hull Girder of Passenger Ship

Romanoff, J., Naar, H. & Varsta, P., 2010, 11th International Symposium on Practical Design of Ships and Other Floating Structures, Rio de Janeiro, RJ, Brazil, 20-24.09.2010. COPPE, p. 1071-1078

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Numerical and Experimental Investigation on the Collision Resistance of the X-core Structure

Ehlers, S., Tabri, K., Romanoff, J. & Varsta, P., 2010, 5th International of Collision and Grounding of Ships, Aalto University, June 14th - 16 th 2010. Ehlers, S. & Romanoff, J. (eds.). Espoo: Aalto ARTS Books, p. 18-24

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Numerical and experimental motion simulations of non-symmetric ship collisions

Tabri, K., Varsta, P. & Matusiak, J., 2010, In : Journal of Marine Science and Technology. 15, 1, p. 87-101

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)

Ship collision as criteria in ship design

Varsta, P., Ehlers, S., Tabri, K. & Klanac, A., 2010, ADVANCED SHIP DESIGN FOR POLLUTION PREVENTION. Soares, CG. & Parunov, J. (eds.). p. 191-203 13 p.

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

Statistics of Weld Geometry for Laser-Hybrid welded Joints and Its Application within Notch Stress Approach

Remes, H. & Varsta, P., 2010, In : Welding in the World. 54, 7/8, p. R189-R207

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)
2009

Analytical modelling of ship collision based on full-scale experiments

Tabri, K., Broekhuijsen, J., Matusiak, J. & Varsta, P., 2009, In : Marine Structures. 22, 1, p. 42-61

Research output: Contribution to journalArticleScientificpeer-review

44 Citations (Scopus)

Bending Response of Laser-Welded Web-core Sandwich Deck Structures under Lateral Loads

Romanoff, J. & Varsta, P., 2009, X Suomen Mekaniikkapäivät, Jyväskylän yliopisto, 3.-4.12.2009. p. 73-84

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

ConStruct - Platform for Conceptual Structural Design

Remes, H., Klanac, A., Varsta, P. & Ehlers, S., 2009, IMPROVE- Conference, Dubrovnik, Croatia, 17-19 September 2009. Zanic V, A. J. (ed.). Zagrab

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Improving the Shear Properties of Web-Core Sandwich Structures using Filling Material

Romanoff, J., Laakso, A. & Varsta, P., 2009, 2nd International Conference on Analysis and Design of Marine Structures, Lissabon, 16.-18.3.2009. Guedes Soares, C. & Das, P. K. (eds.). p. 133-138

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

8 Citations (Scopus)

Sloshing interaction in ship collisions - An experimental and numerical study

Tabri, K., Matusiak, J. & Varsta, P., 2009, In : Ocean Engineering. 36, 17-18, p. 1366-1376

Research output: Contribution to journalArticleScientificpeer-review

31 Citations (Scopus)

Statistics of weld geometry for a laser-hybrid welded joints and its application within notch stress approach

Remes, H. & Varsta, P., 2009, 62nd Annual Assembly of IIW, 12th - 17th July, 2009. International Institute of Welding, p. 1-21

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Strain and Stress relation for Non-Linear Finite Element Simulations

Ehlers, S. & Varsta, P., 2009, In : Thin-Walled Structures. 47, p. 1203-1217

Research output: Contribution to journalArticleScientificpeer-review

68 Citations (Scopus)

Utilizing Homogenization in Concept Design of Steel Sandwich Panels

Romanoff, J. & Varsta, P., 2009, International Conference on Computational Methods in Marine Engineering (MARINE 2009), Barcelona, 5-7 June, 2009. p. 221-224

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2008

Differences in Fatigue Strength between Arc and Laser Hybrid Welded Joints

Remes, H. & Varsta, P., 2008, In : Journal of Ship Production. 24, 3, p. 139-146

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
2007

Bending response of laser-welded web-core sandwich plates

Romanoff, J. & Varsta, P., 2007, 1st International Conference on Advancements in Marine Structures, Glasgow, UK, 12-14 March, 2007. Guedes Soares, C. & Das, P. K. (eds.). p. 263-271

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Bending response of web-core sandwich plates

Romanoff, J. & Varsta, P., 2007, In : Composite Structures. 81, p. 292-302

Research output: Contribution to journalArticleScientificpeer-review

98 Citations (Scopus)

Collision resistance of certain side of ro-ro passenger ship

Kajaste-Rudnitski, J., Varsta, P. & Tabri, K., 2007, Helsinki, (Laivalaboratorion M-raporttisarja; no. M-295).

Research output: Working paperProfessional

Fatigue Strength between Arc and Laser Hybrid Welded Joints

Remes, H. & Varsta, P., 2007, 10th International Symposium on Practical Design of Ships and Other Floating Structures (PRADS), Houston,Texas, USA, 30.9.-5.10.2007. p. 609-616

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Laser-Welded Web-Core Sandwich Plates under Patch-Loading

Romanoff, J., Varsta, P. & Remes, H., 2007, In : Marine Structures. 20, 1-2, p. 25-48

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)
7 Citations (Scopus)

Stress analysis of homogenized web-core sandwich beams

Romanoff, J., Varsta, P. & Klanac, A., 2007, In : Composite Structures. 79, p. 411-422

Research output: Contribution to journalArticleScientificpeer-review

35 Citations (Scopus)

The stiffness of laser stake welded T-joints in web-core sandwich structures

Romanoff, J., Remes, H., Socha, G., Jutila, M. & Varsta, P., 2007, In : Thin-Walled Structures. 45, 4, p. 453-462

Research output: Contribution to journalArticleScientificpeer-review

60 Citations (Scopus)
2006

Bending response of web-core sandwich beams

Romanoff, J. & Varsta, P., 2006, In : Composite Structures. 73, 4, p. 478-487

Research output: Contribution to journalArticleScientificpeer-review

47 Citations (Scopus)
2005

Some finite element estimates of ship collision event

Kajaste-Rudnitski, J., Varsta, P. & Matusiak, J., 2005, International Congress of the International Maritime Association of the Mediterranean (IMAM 2005), Lisboa, Portugal, 26-30 September 2005. p. 447-455

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2004

Analytical Modelling of Ship Collision Based on Full Scale Experiments

Tabri, K., Broekhuijsen, J., Matusiak, J. & Varsta, P., 2004, 3rd International Conference on Collision and Grounding of Ships, (ICCGS 2004),Izu, Japan, 25.-27.10.2004. Society of Naval Architects of Japan, p. 302-312

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

44 Citations (Scopus)

A theory of coupled beams for strength assessment of passenger ships

Varsta, P., Naar, H. & Kujala, P., 2004, In : Marine Structures. 17, 8, p. 590-611

Research output: Contribution to journalArticleScientificpeer-review

40 Citations (Scopus)

Dynamics of Ship Grounding

Varsta, P., Kajaste-Rudnitski, J. & Matusiak, J., 2004, The ninth International Symposium of Practical Design on Ships and other Floating Structures, (PRADS 2004), Lubeck-Travemunde, Germany, 12.-17.9.2004. Keil, H. & Lehmann, E. (eds.). Hampuri: Technical University of Hamburg-Harburg, p. 465-473

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)

Dynamics of Ship Grounding

Varsta, P., Kajaste-Rudnitski, J. & Matusiak, J., 2004, Helsinki, p. 43, (Laivalaboratorion raporttisarja; no. M-283).

Research output: Working paperProfessional

3 Citations (Scopus)

Mechanics of Ship Grounding,

Varsta, P., Kajaste-Rudnitski, J. & Matusiak, J., 2004, The 14th International Offshore and Polar Engineering Conference, (ISOPE 2004), 23.-28.5.2004 Toulon, France. p. 569-577

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)
2003

Mechanics of ship grounding

Kajaste, J. & Varsta, P., 2003, Espoo, (Laivalaboratorion raporttisarja; no. M-282).

Research output: Working paperProfessional

3 Citations (Scopus)

Transient motion of ship during hard grounding

Matusiak, J. & Varsta, P., 2003, 6th Int.Ship Stability workshop proceedings. New York: Webb Institute

Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

1999

Suomen merenkulun turvallisuuden arviointi

Varsta, P., 1999, Meriturvallisuus-seminaari, Espoo, 10.5.1999. p. 18

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1997

Laivaturvallisuus

Varsta, P. & Hanhirova, K., 1997, Otaniemi, p. 87, (Teknillinen korkeakoulu, Konetekniikan osasto, Laivalaboratorio; no. M-217).

Research output: Working paperProfessional

Ship safety research in the Maritime Institute of Finland

Varsta, P., 1997, Maritime Safety '97, Espoo, 19 March 1997. p. 12

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review