Jouni Freund

  • Puumiehenkuja 5 A

1992 …2019

Research output per year

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Research Output

  • 24 Article
  • 23 Conference contribution
  • 2 Working paper
2019

A modified four-node rectangular element

Freund, J. & Salonen, E-M., 30 Oct 2019, In : Rakenteiden Mekaniikka (Journal of Structural Mechanics). 52, 3, p. 192-199 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
36 Downloads (Pure)
2018

Shear-corrected Reissner-Mindlin plate model

Freund, J., 8 Dec 2018, In : Composite Structures. 211, p. 144-153 10 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Stochastic fracture of additively manufactured porous composites

Keleş, Ö., Anderson, E. H., Huynh, J., Gelb, J., Freund, J. & Karakoç, A., 1 Dec 2018, In : Scientific Reports. 8, 1, 15437.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
5 Citations (Scopus)
122 Downloads (Pure)
2017

Two-scale Reissner-Mindlin plate model

Freund, J., 2017, In : Rakenteiden mekaniikka. 50, 3, 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
105 Downloads (Pure)
2016

Effect of size and measurement domain on the in-plane elasticity of wood-like cellular materials

Karakoc, A. & Freund, J., 1 Feb 2016, In : Journal of Materials Science. 51, 3, p. 1490-1495 6 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Modeling of wood-like cellular materials with a geometrical data extraction algorithm

Karakoc, A., Sjölund, J., Reza, M., Freund, J., Hernandez-Estrada, A. & Paltakari, J., 1 Feb 2016, In : MECHANICS OF MATERIALS. 93, February 2016, p. 209-219 11 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Sensitized principle of virtual work and the single-element strain energy test

Freund, J. & Salonen, E-M., 2016, In : Rakenteiden mekaniikka. 49, 1, 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
40 Downloads (Pure)

Shear and torsion correction factors of Timoshenko beam model for generic cross sections

Freund, J. & Karakoc, A., 2016, In : Research on Engineering Structures and Materials. 2, p. 19-27

Research output: Contribution to journalArticleScientificpeer-review

Warping displacement of Timoshenko beam model

Freund, J. & Karakoc, A., 15 Aug 2016, In : International Journal of Solids and Structures. 92-93, p. 9-16 8 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
2015

Effect of cell geometry and material properties on wood rigidity

Sjölund, J., Karakoç, A. & Freund, J., 2015, In : International Journal of Solids and Structures. 62, 1 June, p. 207-216

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)
2014

Accuracy of regular wood cell structure model

Sjölund, J., Karakoc, A. & Freund, J., 2014, In : MECHANICS OF MATERIALS. 76, p. 35-44

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

A new approach for determining the hidden material parameters of a honeycomb

Sjölund, J., Karakoc, A. & Freund, J., 2014, In : Journal of Materials Science. 49, 14, p. 4998-5005

Research output: Contribution to journalArticleScientificpeer-review

Computational Homogenization of Regular Cellular Material According to Classical Elasticity

Freund, J., Karakoç, A. & Sjölund, J., 2014, In : MECHANICS OF MATERIALS. 78, p. 56-65

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)
2013

A direct simulation method for the effective in-plane stiffness of cellular materials

Karakoç, A. & Freund, J., 2013, In : INTERNATIONAL JOURNAL OF APPLIED MECHANICS. 5, 3

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

A statistical failure initiation model for honeycomb materials

Karakoc, A. & Freund, J., 2013, In : Composite Structures. 95, p. 154-162

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Comparison between precise and statistical methods for modeling cellular wood geometry

Sjölund, J., Freund, J. & Karakoç, A., 2013, Seventh M.I.T. Conference on Computational Fluid and Solid Mechanics - Focus: Multiphysics & Multiscale, Boston/USA, June 10-12, 2013. Bathe, K-J. (ed.). Cambridge, MA, USA: Massachusetts Institute of Technology

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

Direct simulations on rigidity of cellular materials

Karakoc, A. & Freund, J., 2013, Seventh MIT Conference on Computational Fluid and Solid Mechanics, Cambridge/USA and June 12-14,2013.

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

Experiments on the effective compliance in the radial-tangential plane of Norway spruce

Karakoc, A., Tukiainen, P., Freund, J. & Hughes, M., 2013, In : Composite Structures. 102, p. 287-293 7 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Simulation experiments on the effective in-plane compliance of the honeycomb materials

Karakoc, A., Santaoja, K. & Freund, J., 2013, In : Composite Structures.

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

STATISTICAL STRENGTH ANALYSIS FOR HONEYCOMB MATERIALS

Karakoc, A. & Freund, J., 2013, In : INTERNATIONAL JOURNAL OF APPLIED MECHANICS. 5, 2, p. 1350021

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
2012

Analysing and modeling the geometry of a cellular material

Sjölund, J. & Freund, J., 2012, XI Suomen mekaniikkapäivät, Oulu, 29-30.11.2012. Hannu Koivurova, M. M. (ed.). Oulu, p. 15-19

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

A statistical representation of failure for cellular materials

Karakoc, A. & Freund, J., 2012, European Congress on Computational Methods in Applied Sciences and Engineering, Vienna/Austria, September 10-14, 2012.

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

Effect of scale on the cellular material strength

Karakoc, A. & Freund, J., 2012, Nordic Seminar on Computational Mechanics, Lund/Sweden, October 25-26, 2012. p. 51-53

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

Experimental studies on mechanical properties of cellular structures using Nomex honeycomb cores

Karakoc, A. & Freund, J., 2012, In : Composite Structures. 94, p. 2017-2024

Research output: Contribution to journalArticleScientificpeer-review

39 Citations (Scopus)

Homogenization of 2-D honeycomb material

Freund, J. & Karakoc, A., 2012, European Congress on Computational Methods in Applied Sciences and Engineering, Vienna/Austria, September 10-14, 2012.

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

2011

Experiments on nomex honeycomb compliance

Karakoc, A. & Freund, J., 2011, THE TWENTY FOURTH NORDIC SEMINAR ON COMPUTATIONAL MECHANICS, HELSINKI, FINLAND, NOV 2-4 2011. Aalto ARTS Books, p. 55-59

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

Mesh Generation of Nomex Honeycomb Material

Sjölund, J. & Freund, J., 2011, Third Internatonal Conference on Heterogenous Material Mechanics Shanghai, China May 22-26, 2011. p. 214-217

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

Proceedings of the 24th Nordic Seminar on Computational Mechanics

Freund, J. & Kouhia, R., 2011, Helsinki, p. 257, (Aalto University, Science+Technology Conference proceedings; no. 23).

Research output: Working paperProfessional

Validation of a cellular micromechanical model

Karakoc, A. & Freund, J., 2011, The third international conference on heterogeneous material mechanics, Shanghai, China, May 22-26 2011. p. 262-266

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

2010

FAILURE INITIATION STATISTICS ON WOOD-LIKE CELLULAR STRUCTURES

Karakoc, A. & Freund, J., 2010, 4TH EUROPEAN CONGRESS ON COMPUTATIONAL MECHANICS, PARIS, MAY 2010. Paris, France: ECCM 2010 SCIENTIFIC COMMIITTEE

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

MICRO-STRESS STATISTICS OF HONEYCOMB MATERIAL

Freund, J., Tuhkuri, J. & Hughes, M., 2010, 4TH EUROPEAN CONGRESS ON COMPUTATIONAL MECHANICS, PARIS, MAY 2010. ECCM, . SCIENTIFIC. COMMITTEE. (ed.). Paris, France: EUROPEAN COMMUNITY OF COMPUTATIONAL METHODS IN APPLIED SCIENCES (ECCOMAS)

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

2009

Effect of Geometrical Features and Scale on Failure Initiation of Wood-like Cellular Materials

Karakoc, A. & Freund, J., 2009, The 10th Finnish Mechanics Days, Jyväskylä, Finland, 3-4 Dec, 2009,. p. 534-540

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

Effect of Geometrical Irregularity and Scale on Failure of Wood-like Cellular Materials

Karakoc, A. & Freund, J., 2009, The 22th Nordic Seminar on Computational Mechanics, 22-23 October, 2009. p. 281-284

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

Evaluation of Geometrical Irregularity of Wood-like Hexagonal Structures

Sjölund, J. & Freund, J., 2009, The 22st Nordic Seminar on Computational Mechanics, Aalborg, 22-23 October, 2009. p. 285-287

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

Quantification of Geometrical Irregularity of Wood

Sjölund, J. & Freund, J., 2009, The X Finnish Mechanics Days, Jyväskylä, 3-4 December, 2009. p. 502-209

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

The Strength of Laminated Veneer Lumber/Glulam Composite Structures

Karakoc, A. & Freund, J., 2009, Espoo, (Sovelletun mekaniikan laitos; Lujuusoppi. Sarja, TKK-MoM; no. 1).

Research output: Working paperProfessional

2008

Osittaisintegroinnista

Salonen, E-M., Freund, J. & Paavola, J., 2008, In : Rakenteiden mekaniikka. 41, 4, p. 1-32

Research output: Contribution to journalArticleScientificpeer-review

2007

The concept of a substitute element

Freund, J., 2007, In : Journal of Structural Mechanics. 40, p. 15-27

Research output: Contribution to journalArticleScientificpeer-review

2006

The Force Capacity and Fatigue of Muscle

Freund, J., 2006, The IX Finnish Mechanics Days, 2006. p. 572-581

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

2005

Vectors and tensors with matrix manipulations

Freund, J., Paavola, J. & Salonen, E-M., 2005, 18th Nordic Seminar on Computational Mechanics, Silja Serenade, 27-30 October, 2005. Espoo 2005. Paavola, J. & Freund, J. (eds.). p. 125-128

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

Vectors and tensors with matrix manipulations

Freund, J., Paavola, J. & Salonen, E-M., 2005, In : Journal of Structural Mechanics. 38, p. 125-128

Research output: Contribution to journalArticleScientificpeer-review

Virtual Work, Lagrange’s Equations and Finite elements

Freund, J. & Salonen, E-M., 2005, In : Journal of Structural Mechanics. 38, p. 125-128

Research output: Contribution to journalArticleScientificpeer-review

Virtual Work, Lagrange’s Equations and Finite Elements

Paavola, J., Freund, J. & Salonen, E-M., 2005, 18th Nordic Seminar on Computational Mechanics, Silja Serenade, 27-30 October, 2005. Paavola, J. & Freund, J. (eds.). Espoo: TKK, Rakenteiden mekaniikan laboratorio, p. 129-132

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

2004

The logic of the jump terms of the discontinuous Gelarkin method

Freund, J., 2004, The 17th Nordic Seminar on Computational Mechanics, NSCM-17, Stockholm, 15.-16.10.2004. Eriksson, A., Månsson, J. & Tibert, G. (eds.). Stockholm, p. 199-200

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

2002

A frictionless weak contact condition for elastic-rigid and elastic-elastic body interfaces

Freund, J. & Reivinen, M., 2002, 15th Nordic Seminar on Computational Mechanics, 18-19 October, 2002, Aalborg, Denmark. Aalborg, p. 267-270

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

A Penalty Type Finite Element Method for Frictionless Contact Problems

Freund, J. & Reivinen, M., 2002, Fifth World Congress on Computational Mechanics, WCCM V. p. 8

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

1995

On weakly imposed boundary conditions in the finite element method

Freund, J. & Stenberg, R., 1995, The ninth conference on Finite Elements in Fluids, Venezia, 16.-20.10.1995. Cecchi, M. M. (ed.). Italy, p. 327-336

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

1993

A Simple Finite Element Method for Unconventional Jump Conditions

Freund, J. & Salonen, E-M., 1993, VIII International Conference on Finite Elements in Fluids. Barcelona: Pineridge Press, p. 736-754

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

1992

A Logic for Simple Petrov-Galerkin Weighting Functions

Freund, J. & Salonen, E-M., 1992, In : International Journal for Numerical Methods in Engineering. 34, p. 805-822

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)