Arttu Polojärvi

  • Puumiehenkuja 5 A

20052020

Research output per year

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Research Output

2020

Numerical experiments on ice-structure interaction in shallow water

Lemström, I., Polojärvi, A. & Tuhkuri, J., 13 May 2020, In : Cold Regions Science and Technology. 176, 13 p., 103088.

Research output: Contribution to journalArticleScientificpeer-review

2019

A free, square, point-loaded ice sheet : A finite element-discrete element approach

Lilja, V. P., Polojärvi, A., Tuhkuri, J. & Paavilainen, J., Nov 2019, In : Marine Structures. 68, 31 p., 102644.

Research output: Contribution to journalArticleScientificpeer-review

Discrete Element Simulation of the Resistance of a Ship in Unconsolidated Ridges

Gong, H., Polojärvi, A. & Tuhkuri, J., 1 Nov 2019, In : Cold Regions Science and Technology. 167, 9 p., 102855.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
3 Citations (Scopus)
138 Downloads (Pure)

Effective material properties of a finite element-discrete element model of an ice sheet

Lilja, V. P., Polojärvi, A., Tuhkuri, J. & Paavilainen, J., Nov 2019, In : Computers and Structures. 224, 19 p., 106107.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

FEM-DEM in Modeling Ice-structure Interaction Process

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2019.

Research output: Contribution to conferencePaperScientific

Limit mechanisms for ice loads: FEM-DEM and simplified load models

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2019.

Research output: Contribution to conferencePaperScientific

Limit mechanisms for ice loads on inclined structures: Local crushing

Ranta, J. & Polojärvi, A., 31 May 2019, In : Marine Structures. 67, 102633.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Numerical ice mechanics: What is there to learn?

Polojärvi, A., 2019, Concrete in Arctic Conditions: Workshop Proceedings from a Nordic Workshop No. 16. Norsk Betongforening, p. 17-20 (Nordic concrete research).

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

Preliminary FEM-DEM Study on Ice Encroachment

Polojärvi, A., Lemström, I. & Tuhkuri, J., 2019, POAC 2019 - 25th International Conference on Port and Ocean Engineering under Arctic Conditions. Delft, The Netherlands, (Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC; vol. 2019-June).

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

Probabilistic peak ice load model

Ranta, J. & Polojärvi, A., 1 Jan 2019, POAC 2019 - 25th International Conference on Port and Ocean Engineering under Arctic Conditions. (Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC; vol. 2019-June).

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

Strengthening Arctic engineering competences through higher education – the Nordic Master in Cold Climate Engineering

Kirkelund, G., Polojärvi, A., Tuhkuri, J. & Høyland, K., 2019, Proceedings of 12th International Symposium on Cold Regions Development: ISCORD 2019 Symposium proceedings. Suomen rakennusinsinöörien liitto RIL, p. 167-169

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

The effect of ship bow shape on ridge resistance in a narrow ridge

Gong, H., Polojärvi, A. & Tuhkuri, J., 12 Jun 2019, POAC 2019 - 25th International Conference on Port and Ocean Engineering under Arctic Conditions. (Proceedings of the International Conference on Port and Ocean Engineering under Arctic Conditions, POAC; vol. 2019-June).

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

2018

3D DEM study on the effect of ridge keel width on rubble resistance on ships

Gong, H., Polojärvi, A. & Tuhkuri, J., 17 Jun 2018, ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 6 p.

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

Open Access
File
1 Citation (Scopus)
20 Downloads (Pure)

A review of discrete element simulation of ice–structure interaction

Tuhkuri, J. & Polojärvi, A., 28 Sep 2018, In : PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A: MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES. 376, 2129, 16 p.

Research output: Contribution to journalReview ArticleScientificpeer-review

Open Access
File
14 Citations (Scopus)
139 Downloads (Pure)

Ice loads on inclined marine structures - Virtual experiments on ice failure process evolution

Ranta, J., Polojärvi, A. & Tuhkuri, J., Jan 2018, In : Marine Structures. 57, p. 72-86

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Limit mechanisms for ice loads on inclined structures: Buckling

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2018, In : Cold Regions Science and Technology. 147, p. 34-44 11 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Peak ice loads and buckling in ice-inclined structure interaction

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2018, 24th IAHR International Symposium on Ice. Vladivostok, Russia, p. 344-351 (IAHR International Symposium on Ice).

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

Ridge resistance of ships: DEM study

Gong, H., Polojärvi, A. & Tuhkuri, J., 30 Aug 2018, Finnish Mechanics Days.

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

Ridge resistance of ships: DEM study

Gong, H., Polojärvi, A. & Tuhkuri, J., 30 Aug 2018.

Research output: Contribution to conferenceAbstractScientificpeer-review

Scatter and Error Estimates in Ice Loads - Results from Virtual Experiments

Ranta, J., Polojärvi, A. & Tuhkuri, J., Apr 2018, In : Cold Regions Science and Technology. 148, p. 1-12 12 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Simulations on Ice-Structure Interaction in Shallow Water

Lemström, I., Polojärvi, A. & Tuhkuri, J., 2018, 24th IAHR International Symposium on Ice. Vladivostok, Russia, p. 525-532 (IAHR International Symposium on Ice).

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

Statistics and Mechanics of Ice Loads on Inclined Structures: Results from Simulation-Based Studies

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2018, Proceedings of AIC 2018 -Transportation Engineering Infrastructure in Cold Regions.. p. 26-27

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

2017

A three-dimensional FEM-DEM model of an ice sheet

Lilja, V-P., Polojärvi, A., Tuhkuri, J. & Paavilainen, J., 11 Jun 2017, Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'17. POAC, 12 p. (Proceedings : International Conference on Port and Ocean Engineering Under Arctic Conditions).

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

Open Access
File
2 Citations (Scopus)
24 Downloads (Pure)

Effective Tensile Strength of an Ice Sheet Using a Three-dimensional FEM-DEM Approach

Lilja, V-P., Polojärvi, A., Tuhkuri, J. & Paavilainen, J., 11 Jun 2017, Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'17. POAC, 10 p. (Proceedings : International Conference on Port and Ocean Engineering Under Arctic Conditions).

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

Open Access
File
4 Citations (Scopus)
12 Downloads (Pure)

Preliminary 3D DEM Simulations on Ridge Keel Resistance on Ships

Gong, H., Polojärvi, A. & Tuhkuri, J., 11 Jun 2017, Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'17. POAC, 9 p. (Proceedings : International Conference on Port and Ocean Engineering Under Arctic Conditions).

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

Open Access
File
12 Citations (Scopus)
81 Downloads (Pure)

Ridge Profile Measurements for Understanding Ridge Resistance

Suominen, M., Polojärvi, A. & Oikkonen, A., 2017, Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'17. POAC, 10 p. (Proceedings : International Conference on Port and Ocean Engineering Under Arctic Conditions).

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

Open Access
File
1 Citation (Scopus)
8 Downloads (Pure)

Sources of Stochasticity in Ice-Structure Interaction Process

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2017, Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'17. POAC, 9 p. (Proceedings : International Conference on Port and Ocean Engineering Under Arctic Conditions).

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

Open Access
File
6 Citations (Scopus)
11 Downloads (Pure)

The statistical analysis of peak ice loads in a simulated ice-structure interaction process

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2017, In : Cold Regions Science and Technology. 133, p. 46-55

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Variation of stress in virtual biaxial compression test of ice rubble

Kulyakhtin, S. & Polojärvi, A., 2017, Proceedings of the 24th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'17. Curran Associates, Inc., 9 p. (Proceedings : International Conference on Port and Ocean Engineering Under Arctic Conditions).

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

Open Access
File
1 Citation (Scopus)
15 Downloads (Pure)
2016

2D FEM-DEM Study on Ice Loads on Shallow Water Structure

Polojärvi, A., Tuhkuri, J., Schneider, S. & Häsä, R., 2016, Proceedings of the 23th IAHR International Symposium on Ice. Ann Arbor, Michigan, USA, (IAHR International Symposium on Ice).

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

A simulation based statistical study on evolution of ice-structure interaction process

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2016, Proceedings of the 23th IAHR International Symposium on Ice. Ann Arbor, Michigan, USA, (IAHR International Symposium on Ice).

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

Ice Rubble Stress in Virtual Experiments for Assessing Continuum Approach

Kulyakhtin, S. & Polojärvi, A., 2016, Proceedings of the 23th IAHR International Symposium on Ice. Ann Arbor, Michigan, USA, (IAHR International Symposium on Ice).

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

2015

2D DEM of ice rubble: the effect of rate-dependent friction

Lishman, B. & Polojärvi, A., 2015, 23rd International Conference on Port and Ocean Engineering under Arctic (POAC), Trondheim, 1418 June 2015. POAC

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

1 Citation (Scopus)

2D FEM-DEM simulations on ice-structure interaction process in shallow water

Häsä, R., Polojärvi, A. & Tuhkuri, J., 2015, XII Finnish Mechanics Days, Tampere, 4-5 June, 2015. Kouhia, R., Mäkinen, J., Pajunen, S. & Saksala, T. (eds.). Helsinki: Finnish Association of Structural Mechanics

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

A review on a peak ice load data from 2D combined finite-discrete element method simulations

Ranta, J., Tuhkuri, J. & Polojärvi, A., 2015, XII Finnish Mechanics Days, Tampere, 4-5 June, 2015. Association of Structural Mechanics, F. (ed.). Finnish Association of Structural Mechanics

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

DEM simulations of direct shear box experiments of ice rubble: Force chains and peak loads

Polojärvi, A., Tuhkuri, J. & Pustogvar, A., 2015, In : Cold Regions Science and Technology. 116, p. 12-23

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

Ice load estimation through combined finite-discrete element simulations

Ranta, J., Polojärvi, A. & Tuhkuri, J., 2015, 23rd International Conference on Port and Ocean Engineering under Arctic Conditions (POAC), Trondheim, Norway, 14-18 June 2015. POAC

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

3 Citations (Scopus)

Preliminary results of 3D simulations of a failing ice sheet

Heinicke, C., Polojärvi, A. & Tuhkuri, J., 2015, 23rd International Conference on Port and Ocean Engineering under Arctic Conditions (POAC), Trondheim, 1418 June 2015. POAC

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

Why simulate ice rubble shear box tests?

Polojärvi, A., Tuhkuri, J. & Pustogvar, A., 2015, XII Finnish Mechanics Days, Tampere, 4-5 June, 2015. Kouhia, R., Mäkinen, J., Pajunen, S. & Saksala, T. (eds.). Finnish Association of Structural Mechanics

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

2014

2D DEM Simulations of Model Scale Direct Shear Box Experiments

Polojärvi, A., Tuhkuri, J. & Pustogvar, A., 2014, 22nd IAHR International Symposium on Ice, Singapore, August 11-15, 2014. p. 203-210

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

3D DEM for Freeze Bonded Ice Rubble Consisting of Polyhedral Blocks

Polojärvi, A. & Tuhkuri, J., 2014, 22nd IAHR International Symposium on Ice, Singapore, August 11-15, 2014. p. 195-202

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

Laboratory scale direct shear box experiments on ice rubble: the effect of block to box size ratio

Pustogvar, A., Høyland, K., Polojärvi, A. & Bueide, I. M., 2014, 33rd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2014), San Francisco, June 8-13, 2014. p. 1-11

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

4 Citations (Scopus)

Preliminary Results from a Study on Full Scale Freeze Bond Geometry and Microstructure

Tuhkuri, J. & Polojärvi, A., 2014, 22nd IAHR International Symposium on Ice, Singapore, August 11-15, 2014. p. 187-194

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

Statistical reconstruction of peak ice load data based on 2D combined finite-discrete element method simulations of ice interactions against inclined wall

Ranta, J., Tuhkuri, J., Polojärvi, A. & Paavilainen, J., 2014, 22nd IAHR International Symposium on Ice, Singapore, 11-15 August 2014.

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

2013

2D FEM-DEM simulations of punch through tests: effects of partly consolidated rubble deformation

Polojärvi, A. & Tuhkuri, J., 2013, The 22nd International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'13. Polojärvi, A. & Tuhkuri, J. (eds.). Espoo, Finland: Aalto ARTS Books

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

2 Citations (Scopus)

Discontinuum modelling in interpretation of punch through tests on partly consolidated sea ice rubble

Polojärvi, A. & Tuhkuri, J., 2013, 6th International Conference on Discrete Element Methods (DEM6). Mustoe, G. (ed.). Golden, Colorado, USA: Colorado school of mines

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

On modelling cohesive ridge keel punch through tests with a combined finite-discrete element method

Polojärvi, A. & Tuhkuri, J., 2013, In : Cold Regions Science and Technology. 85, p. 191-205

Research output: Contribution to journalArticleScientificpeer-review

30 Citations (Scopus)

The Proceedings of the 22nd International Conference on Port and Ocean Engineering under Arctic Conditions

Polojärvi, A. & Tuhkuri, J., 2013, Espoo, Finland: Aalto ARTS Books.

Research output: Book/ReportAnthologyScientificpeer-review

Validating 3D DEM based on laboratory scale punch through tests on artificial sea ice rubble

Polojärvi, A. & Tuhkuri, J., 2013, 6th International Conference on Discrete Element Methods, (DEM6). Mustoe, G. (ed.). Golden, Colorado, USA: Colorado school of mines

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