HUT /
Structural Mechanics /
Reijo Kouhia
Some publications
International journal articles
- J. Mäkinen, R. Kouhia, A. Fedoroff, H. Marjamäki,
Direct computation of critical equilibrium states for spatial beams and frames
, accepted for publication in
International Journal for Numerical Methods in Engineering
- K. Fonteyn, A. Behahcen, R. Kouhia, P. Rasilo, A. Arkkio,
FEM for directly coupled magneto-mechanical phenomena in electrical machines,
IEEE Transactions on Magnetics,
46, 2010, No.8, pp. 2923--2926.
URL:http://dx.doi.org/10.1109/TMAG.2010.2044148
- R. Kouhia, Stabilized forms of orthogonal residual and constant incremental
work control path following methods,
Computer Methods in Applied Mechanics and Engineering,
197, 2008, pp. 1389--1396.
URL:http://dx.doi.org/10.1016/j.cma.2007.11.002
- R. Kouhia, On stabilized finite element methods for the Reissner-Mindlin
plate model,
International Journal for Numerical Methods in Engineering,
74, 2008, No 8, pp. 1314--1328.
URL:http://dx.doi.org/10.1002/nme.2211
- R. Kouhia,
Pekka Marjamäki,
Jorma Kivilahti,
On the implicit integration of rate-dependent
inelastic constitutive models
,
International Journal for Numerical Methods in Engineering,
62, 2005, No 13, pp. 1832--1856.
URL:http://dx.doi.org/10.1002/nme.1252
- M. Benzi ,
R. Kouhia and
M. Tůma ;
Stabilized and block approximate inverse preconditioners
for problems in solid and structural mechanics,
Computer Methods in Applied Mechanics and Engineering,
190, 2001, No 49-50, pp. 6533-6554.
URL:http://dx.doi.org/10.1016/S0045-7825(01)00235-3
- R. Kouhia and
M. Mikkola;
Tracing the equilibrium path beyond compound critical points,
International Journal for Numerical
Methods in Engineering, 46, 1999, No 7, pp.
1049--1074.
- R. Kouhia and
M. Mikkola;
Some aspects on efficient path following,
Computers and Structures , 72, pp.
509--524, 1999.
- M. Benzi ,
R. Kouhia and M. Tůma ;
An assesment of some preconditioning techniques in shell
problems,
Communications in Numerical Methods in Engineering,
14, 897--906, No 10, 1998.
- R. Kouhia and
R. Stenberg ;
A linear nonconforming finite element
method for nearly incompressible elasticity and Stokes flow,
Comp. Meth. Appl. Mech. Eng.,
124, 1995 pp. 195-212.
- R. Kouhia, C.M. Menken;
On the solution of second order post-buckling displacement fields,
Comm. Num. Meth. Eng., 11, 1995, pp. 443-453.
- A. Eriksson,
R. Kouhia;
On step size adjustments in structural continuation problems,
Comp. Struct., 44, 1995, pp. 495-506.
- C.M. Menken, R. Kouhia, W.J. Groot;
An investigation into non-linear interaction between
buckling modes,
Thin-Walled Structures,
19, 1994, pp. 129-145.
- R. Kouhia, M. Tuomala;
Static and dynamic analysis of space frames using
simple Timoshenko type elements,
Int. J. Num. Meth. Eng.,36, 1993, pp. 1189-1221.
- R. Kouhia;
On the solution of non-linear finite element equations,
Comp. Struct., 44, 1992, pp. 243-254.
- R. Kouhia;
On kinematical relations of spatial framed structures,
Comp. Struct., 40, 1991, pp. 1185-1191.
- R. Kouhia and
M. Mikkola;
Tracing the equilibrium path beyond simple critical points,
Int. J. Num. Meth. Eng.,28, 1989, pp. 2923-2941.
Conference papers/presentations
- T. Eirola, J. Hartikainen, R. Kouhia, M. Ristinmaa, M. Wallin,
,
COMPLAS XI
- K. Kolari, J. Hartikainen, R. Kouhia,
A constitutive model for strain-rate-dependent
ductite-to-brittle transition
,
Proceedings of the 23rd Nordic Seminar on Computational Mechanics
Stockholm, 21-22 October, 2010.
- J. Mäkinen, R. Kouhia, A. Ylinen,
On computing critical equilibrium points by a direct method
,
Proceedings of the 23rd Nordic Seminar on Computational Mechanics
Stockholm, 21-22 October, 2010.
- H. Askes, J. Hartikainen, K. Kolari, R. Kouhia,
Dispersion analysis of a strain-rate dependent ductile-to brittle-transition model
,
The X Finnish Mechanics Days 3-4.12.2009,
Jyväskylä, Finland,
- A. Fedoroff, R. Kouhia, H. Marjamäki, J. Mäkinen,
On the direct computation of critical equilibrium states in solid and structural mechanics
,
The X Finnish Mechanics Days 3-4.12.2009,
Jyväskylä, Finland,
- A. Fedoroff, R. Kouhia,
Anomalous buckling behaviour of truss beams
,
The X Finnish Mechanics Days 3-4.12.2009,
Jyväskylä, Finland,
- K. Kolari, J. Kuutti, J. Hartikainen, R. Kouhia,
Some models for numerical simulation of brittle failure
,
Proceedings of the 22st Nordic Seminar on Computational Mechanics
Aalborg, 22-24 October, 2009.
- A. Belahcen, K. Fonteyn, A. Hannukainen, R. Kouhia,
On numerical modeling of coupled magnetoelastic problem
,
Proceedings of the 21st Nordic Seminar on Computational Mechanics
Trondheim, 16-17 October, 2008, T. Kvamsdal, K.M. Mathisen and B. Pettersen (editors), pp. 203-206.
- T. Eirola, J. Hartikainen, R. Kouhia, T. Manninen,
Some observations on the integration of inelastic constitutive
models with damage
,
Proceedings of the 19th Nordic Seminar on Computational Mechanics
Lund, 20-21 October, 2006
O. Dahlblom et al. (editors), pp. 23--32.
- J. Hartikainen, P. Hassinen, R. Kouhia, T. Manninen,
On the stability of truss beams.
Presentation in International Convention in Steel Construction,
Hämeenlinna, September 13-14, 2006.
- S. Fortino, J. Hartikainen, K. Kolari, R. Kouhia, T. Manninen,
A constitutive model for strain-rate dependent ductile-to brittle-transition
,
The IX Finnish Mechanics Days 13-14.6.2006,
Lappeenranta, Finland, R. von Herzen and T. Halme (editors), pp. 652--662.
- R. Kouhia, M. Rüter,
An adaptive integration scheme in computational elasticity
,
The IX Finnish Mechanics Days 13-14.6.2006,
Lappeenranta, Finland, R. von Herzen and T. Halme (editors), pp. 442--451.
- A. Belahcen, K. Fonteyn, S. Fortino, R. Kouhia,
A coupled magnetoelastic model for ferromagnetic materials
,
The IX Finnish Mechanics Days 13-14.6.2006,
Lappeenranta, Finland, R. von Herzen and T. Halme (editors), pp. 673--682.
- J. Hartikainen, R. Kouhia, T. Manninen,
A model for concrete at high temperatures,
,
The IX Finnish Mechanics Days 13-14.6.2006,
Lappeenranta, Finland, R. von Herzen and T. Halme (editors), pp. 683--691.
- T. Manninen, R. Kouhia, E. Turunen, S.-P. Hannula,
Microcrack closure effect on intendation testing of thermally sparyed materials,
,
The IX Finnish Mechanics Days 13-14.6.2006,
Lappeenranta, Finland, R. von Herzen and T. Halme (editors), pp. 50--60.
- R. Kouhia,
A time discontinuous Petrov-Galerkin method for the
integration of inelastic material models
,
ECCOMAS 2004 24-28.7.2004,
Jyväskylä, Finland, P. Neittaanmäki et al. (editors),
- K. Kolari, R. Kouhia, T. Kärnä,
Ice failure analysis using strain-softening
viscoplastic material model ,
ECCOMAS 2004 24-28.7.2004,
Jyväskylä, Finland, P. Neittaanmäki et al. (editors),
- K. Kolari, R. Kouhia, T. Kärnä,
On viscoplastic regularization of strain softening solids
,
Proceedings of the VIII Finnish Mechanics Days 12.6.-13.6.2003,
Espoo, Finland, P. Råback, K. Santaoja and R. Stenberg (editors),
pp. 489-496.
- K. Kolari, R. Kouhia, T. Kärnä,
Ice failure simulation -- softening material model,
Ice in the Enviroment, Volume I.
Proceedings of the 16th IAHR International
Symposium in Ice, 2-6.12.2002, Dunedin, New Zealand,
V.Squire and P.Langhorne (editors), pp. 489-494.
(ISBN 1-877139-52-1)
- R. Kouhia,
Pekka Marjamäki,
On the integration of inelastic constitutive models
,
Proceedings of the 14th Nordic Seminar on Computational Mechanics,
Lund, 19-20 October 2001,
L. Beldie, O. Dahlblom, A. Olsson, N.S. Ottosen and G. Sandberg
(editors), pp. 33-36.
- Pekka Marjamäki,
Jorma Kivilahti,
R. Kouhia;
Comparison of two classes of integration algorithms in creep
analysis,
paper presented in the 2nd European Conference on Computational
Mechanics, Cracow, Poland, June 26-29, 2001.
- R. Kouhia and
M. Mikkola;
Computational aspects of continuation algorithms in large scale
problems of solid mechanics,
Trends in Computational Structural Mechanics,
W.A. Wall, K.-U. Bletzinger, K. Schweizerhof (Eds.), pp. 481-490.,
CIMNE, Barcelona, 2001.
- M. Benzi ,
R. Kouhia and
M. Tůma ;
On some new developments in approximate inverse preconditioning,
paper presented in the ECCOMAS 2000 conference,
Barcelona, 11-14 September 2000.
- R. Kouhia,
R. Stenberg,
A simple linear nonconforming shell element,
paper presented in the Fourth International Colloquium on
Computation of Shell & Spatial Structures, Chania, Crete, Greece,
June 4-7, 2000.
- R. Kouhia,
Käytännön näkökohtia
rakenteiden stabiiliusanalyysiin
Viidennet teräsrakenteiden tutkimus- ja kehityspäivät
18.-19.1.2000, ss. 207--214.
- R. Kouhia,
Pekka Marjamäki,
Jorma Kivilahti;
Constitutive models for stress analysis of solder joints
,
Proceedings of the Twelft Nordic Seminar on Computational Mechanics
(NSCM-12), R. Kouhia and M. Mikkola eds., pp. 31--34,
Helsinki University of Technology,
Laboratory of Theoretical and Applied Mechanics, Publication no 57,
1999.
- J.S. Myllymäki and R. Kouhia;
Creep buckling of metal columns at elevated temperatures,
in Light-Weight Steel and Aluminium Structures -- Proceedings
of the Fourth International Conference on Steel and Aluminium
Structures, ICSAS'99, 20.-23.6.1999, Espoo, Finland,
, P. Mäkeläinen and P. Hassinen eds.,
pp. 679--686, Elsevier, 1999.
- R. Kouhia;
On determinant as singularity test function,
in Proceedings of the NSCM XI: Nordic Seminar on Computational
Mechanics, A. Eriksson and C. Pacoste eds.,
pp. 80--83, October 16.-17.10.1998, Stockholm.
- R. Kouhia;
Finite rotations in view of structural stability analysis,
in Modelling and Simulation Based Engineering ,
S.N. Atluri and P.E. O'Donoghue eds., pp. 710--715, Tech Science Press,
1998.
- R. Kouhia and
M. Mikkola;
Numerical treatment of multiple bifurcation points,
in S.R. Idelsohn, E. Onate and E.N. Dvorkin (eds.)
Computational Mechanics, New Trends and Applications,
Proceedings of The Fourth World Congress of
Computational Mechanics, June 29-July 2, 1998 Buenos Aires,
Argentina.
- R. Kouhia;
Using iterative linear solvers in non-linear continuation
algorithm,
Proceedings of the VI Finnish Mechanics Days, 1997, pp. 253-267,
J. Aalto and T. Salmi eds.
- R. Kouhia and
M. Mikkola;
Some problems in numerical post-bifurcation analysis,
Proceedings of the VI Finnish Mechanics Days, 1997, pp. 227-236,
J. Aalto and T. Salmi eds.
- R. Kouhia;
A novel membrane finite element with drilling rotations,
Proc. Numer. Meth. Eng. 1996. eds. Ch. Hirsch et al.,
pp. 415-420.
- R. Kouhia and
M. Mikkola;
Strategies for structural stability analysis,
Advances in Finite Element Technology, 1995,
ed. N.-E. Wiberg, CIMNE, Barcelona, pp. 254-278.
-
J.K. Kivilahti, R. Kouhia;
Effect of plastic and creep deformations
on thermal stresses in brazed AlN-Metal joints,
Proc. of the 4th Int. Conf. on Joining Ceramics,
Glass and Metals, 1993,
eds. H. Krappitz and H.A. Schaeffer, pp. 160-167.
- R. Kouhia, C.M. Menken;
On the discretization strategy
in the analysis of plated thin-walled structures,
Proc. Num. Meth. Eng. 92,
eds. Ch. Hirsch et al., pp. 413-419.
Lecture notes
Others
- J. Hartikainen, R. Kouhia.
Elementtimenetelmän lineaarisen yhtälösysteemin iteratiivisesta ratkaisusta (On the iterative solution of linear equations in the finite element method).
Rakenteiden Mekaniikka, 43, 2010, No 2, pp. 94-126.
-
Muutama huomio momenttimenetelmän käytöstä kehärakenteiden analysoinnissa.
Rakenteiden Mekaniikka, 42, 2009, No 2, pp. 75-82.
- J. Hartikainen, P. Hassinen, R. Kouhia, T. Manninen.
Ristikkopalkkien stabiiliudesta (On the stability of truss beams).
Rakenteiden Mekaniikka, 40, 2007, No 2, pp. 48-60.
- Techniques for the analysis of non-linear systems -
with applications to solid and structural mechanics,
Acta Polytechnica Scandinavica, Ci 116, 1999, 87 + 126 pp.
-
Eräitä matala-asteisia laattaelementtejä (On some low-order
plate bending elements)
Rakenteiden Mekaniikka, 29, 1996, No 3-4, pp. 51-68.
HUT /
Structural Mechanics /
Reijo Kouhia
Last modified 8.6.2011 RK