Petri Varsta

Research outputs

  1. 2019
  2. Published

    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.). CRC Press/Balkema, 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

  3. 2018
  4. Published

    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. The American Society of Mechanical Engineers (ASME), Vol. 11B.

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

  5. 2017
  6. Published

    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

  7. 2016
  8. Published

    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

  9. 2013
  10. Published

    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

  11. Published

    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

  12. 2012
  13. Published

    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

  14. Published

    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

  15. Published

    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

  16. 2011
  17. Published

    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

  18. Published

    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

  19. Published

    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

  20. Published

    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

  21. 2010
  22. Published

    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

  23. Published

    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

  24. Published

    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

  25. Published

    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

  26. Published

    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

  27. Published

    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

  28. 2009
  29. Published

    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

  30. Published

    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

  31. Published

    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

  32. Published

    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

  33. Published

    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

  34. Published

    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

  35. Published

    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

  36. Published

    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

  37. 2008
  38. Published

    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

  39. 2007
  40. Published

    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

  41. Published

    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

  42. Published

    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

  43. Published

    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

  44. Published

    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

  45. Published
  46. Published

    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

  47. Published

    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

  48. 2006
  49. Published

    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

  50. 2005
  51. Published

    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

  52. 2004
  53. Published

    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

  54. Published

    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

  55. Published

    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

  56. Published

    Dynamics of Ship Grounding

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

    Research output: Working paperProfessional

  57. Published

    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

  58. 2003
  59. Published

    Mechanics of ship grounding

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

    Research output: Working paperProfessional

  60. Published

    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

  61. 1999
  62. Published

    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

  63. 1997
  64. Published

    Laivaturvallisuus

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

    Research output: Working paperProfessional

  65. Published

    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

  66. 1995
  67. Published

    A ship in compressive ice. Analysis of the ice failure process. Concluding report from the joint Russian-Finnish project in 1991-1993

    Varsta, P., Goldstein, R., Danilenko, V., Osipenko, N., Vasilev, I., Kujala, P. & Riska, K., 1995, Moscow, p. 26.

    Research output: Working paperProfessional

  68. 1994
  69. Published

    Ship-ice contact and design ice loads

    Kujala, P., Tuhkuri, J. & Varsta, P., 1994, 5th International Conference on Ships and Marine Structures in Cold Regions, Calgary, 16.-18. March 1994. p. s. A1-A19

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

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