Dr Petri Piiroinen

MSc, PhD

Contact Details

Lecturer Above The Bar
------------------------
Room ADB 2004
Áras De Brún
School of Mathematics, Statistics and Applied Mathematics

T: Ext. 2341
E: petri.piiroinen@nuigalway.ie
W: http://www.maths-physics.nuigalway.ie/users/Piiroinen/
 
researcher

Biography

Research Interests

Some of my research interests are (but not limited to) nonlinear dynamics, nonsmooth systems, mechanical systems with impacts and friction, multi-body dynamics, population dynamics, modelling of biological systems and decision making.

Research Projects

  Project Start Date End Date
ISCA BRAZIL Petri Piiroinen 01-APR-14 31-MAR-15
IRCSET EMPOWER POSTDOCTORAL FELLOWSHIP, DR PETRI T PIIROINEN, ISCET REF DR J MASON IRCSET 13-DEC-10 12-DEC-13
IRCSET EMBARK NEIL HUMPHRIES 01-OCT-08 30-SEP-13
JOHN DONOHUE - EVOLVING COMPLEX NETWORKS IRCSET EMBARK POST GRAD PETRI PIIROINEN 01-OCT-11 30-SEP-15
CORE COMPLEX SYSTEMS RESEARCH CENTRE PETRI PIIROINEN 07-APR-11 07-APR-20
MF07-P42 DIURNAL CHANGES IN THE COAGULATION PROCES 01-FEB-08 31-DEC-09

Peer Reviewed Journals

  Year Publication
(2015) 'Mathematical modelling of seasonal migration with applications to climate change'
John G. Donohue and Petri T. Piiroinen (2015) 'Mathematical modelling of seasonal migration with applications to climate change'. Ecological Modelling, 299 :79-94 [DOI] [Details]
(2014) 'A mathematical model of CENP-A incorporation in mammalian centromeres'
Doherty, K,Meere, M,Piiroinen, PT (2014) 'A mathematical model of CENP-A incorporation in mammalian centromeres'. Mathematical Biosciences, 249 :27-43 [DOI] [Details]
(2014) 'The complexity of a basic impact mapping for rigid bodies with impacts and friction'
Burns, SJ,Piiroinen, PT (2014) 'The complexity of a basic impact mapping for rigid bodies with impacts and friction'. Regular & Chaotic Dynamics, 19 :20-36 [DOI] [Details]
(2014) 'Discontinuous dynamical systems: theory and numerical methods [Special issue editorial]'
Brogliato, Bernard and Lopez, Luciano and Piiroinen, Petri T. and K\"upper, Tassilo (2014) 'Discontinuous dynamical systems: theory and numerical methods [Special issue editorial]'. Math. Comput. Simulation, 95 [DOI] [Details]
(2014) 'Numerical analysis of codimension-one, -two and -three bifurcations in a periodically-forced impact oscillator with two discontinuity surfaces'
Mason, JF,Humphries, N,Piiroinen, PT (2014) 'Numerical analysis of codimension-one, -two and -three bifurcations in a periodically-forced impact oscillator with two discontinuity surfaces'. Mathematics and Computers in Simulation, 95 :98-110 [DOI] [Details]
(2013) 'Local dynamics in decision making: The evolution of preference within and across decisions'
O'Hora, D,Dale, R,Piiroinen, PT,Connolly, F (2013) 'Local dynamics in decision making: The evolution of preference within and across decisions'. Scientific Reports, 3 [DOI] [Details]
(2012) 'Saddle-point solutions and grazing bifurcations in an impacting system'
Mason, JF,Piiroinen, PT (2012) 'Saddle-point solutions and grazing bifurcations in an impacting system'. Chaos, 22 [DOI] [Details]
(2012) 'A discontinuity-geometry view of the relationship between saddle-node and grazing bifurcations'
Humphries, N,Piiroinen, PT (2012) 'A discontinuity-geometry view of the relationship between saddle-node and grazing bifurcations'. Physica D, 241 :1911-1918 [DOI] [Details]
(2012) 'FROM COMPLETE TO INCOMPLETE CHATTERING: A NOVEL ROUTE TO CHAOS IN IMPACTING CAM-FOLLOWER SYSTEMS'
Alzate, R,Piiroinen, PT,di Bernardo, M (2012) 'FROM COMPLETE TO INCOMPLETE CHATTERING: A NOVEL ROUTE TO CHAOS IN IMPACTING CAM-FOLLOWER SYSTEMS'. International Journal Of Bifurcation And Chaos, 22 [DOI] [Details]
(2011) 'Interactions between global and grazing bifurcations in an impacting system'
Mason, Joanna F. and Piiroinen, Petri T. (2011) 'Interactions between global and grazing bifurcations in an impacting system'. Chaos, 21 (1) [DOI] [Details]
(2009) 'The effect of codimension-two bifurcations on the global dynamics in a gear model'
Mason J. and Piiroinen P.T. (2009) 'The effect of codimension-two bifurcations on the global dynamics in a gear model'. Siam Journal On Applied Dynamical Systems, 8 (4):1694-1711 [Details]
(2009) 'Simulation and stability analysis of impacting systems with complete chattering'
Nordmark, AB,Piiroinen, PT (2009) 'Simulation and stability analysis of impacting systems with complete chattering'. Nonlinear Dynamics, 58 :85-106 [DOI] [Details]
(2009) 'BASINS OF ATTRACTION IN NONSMOOTH MODELS OF GEAR RATTLE'
Mason, JF,Piiroinen, PT,Wilson, RE,Homer, ME (2009) 'BASINS OF ATTRACTION IN NONSMOOTH MODELS OF GEAR RATTLE'. International Journal Of Bifurcation And Chaos, 19 :203-224 [Details]
(2008) 'Friction-driven vibro-impact system for percussive-rotary drilling: a numerical study of the system dynamics'
Batako, ADL,Piiroinen, PT (2008) 'Friction-driven vibro-impact system for percussive-rotary drilling: a numerical study of the system dynamics'. Proceedings Of The Institution Of Mechanical Engineers Part C-Journal Of Mechanical Engineering Science, 222 :1925-1934 [DOI] [Details]
(2008) 'Two-parameter sliding bifurcations of periodic solutions in a dry-friction oscillator'
Kowalczyk, P,Piiroinen, PT (2008) 'Two-parameter sliding bifurcations of periodic solutions in a dry-friction oscillator'. Physica D, 237 :1053-1073 [DOI] [Details]
(2008) 'Bifurcations in Nonsmooth Dynamical Systems'
di Bernardo, M,Budd, CJ,Champneys, AR,Kowalczyk, P,Nordmark, AB,Tost, GO,Piiroinen, PT (2008) 'Bifurcations in Nonsmooth Dynamical Systems'. Siam Review, 50 :629-701 [DOI] [Details]
(2008) 'An event-driven method to simulate Filippov systems with accurate computing of sliding motions'
Piiroinen, PT,Kuznetsov, YA (2008) 'An event-driven method to simulate Filippov systems with accurate computing of sliding motions'. Acm Transactions On Mathematical Software, 34 [DOI] [Details]
(2007) 'Numerical bifurcation analysis of a friction-driven vibro-impact system'
Batako, ADL,Lalor, MJ,Piiroinen, PT (2007) 'Numerical bifurcation analysis of a friction-driven vibro-impact system'. Journal Of Sound And Vibration, 308 (3-5):392-404 [DOI] [Details]
(2006) 'Two-parameter discontinuity-induced bifurcations of limit cycles: classifications and open problems'
Kowalczyk, P., di Bernardo, M., Champneys, A.R., Hogan, S.J., Homer, M., Piiroinen, P.T., Kuznetsov, Yu.A., Nordmark, A.B (2006) 'Two-parameter discontinuity-induced bifurcations of limit cycles: classifications and open problems'. International Journal of Bifurcation and Chaos, 16 (3):601-629 [Details]
(2006) 'Corner bifurcations in non-smoothly forced impact oscillators'
Budd, C.J., Piiroinen, P.T. (2006) 'Corner bifurcations in non-smoothly forced impact oscillators'. Physica D, 220 :127-145 [Details]
(2005) 'Grazing Bifurcations and Chaos in the Dynamics of a Hydraulic Damper with Relief Valves'
Eyres, R.D., Piiroinen, P.T., Champneys, A.R., Lieven, N.A.J. (2005) 'Grazing Bifurcations and Chaos in the Dynamics of a Hydraulic Damper with Relief Valves'. SIAM J. Applied Dynamical Systems, 4 (4):1076-1106 [Details]
(2005) 'Low-cost control of Repetitive Gait in Passive Bipedal Walkers'
Piiroinen, P.T., Dankowicz, H.J. (2005) 'Low-cost control of Repetitive Gait in Passive Bipedal Walkers'. International Journal of Bifurcation and Chaos, 15 (6):1959-1973 [Details]
(2004) 'Chaos and Period-Adding; Experimental and Numerical Verification of the Grazing Bifurcation'
Piiroinen, P.T., Virgin, L.N., Champneys, A.R (2004) 'Chaos and Period-Adding; Experimental and Numerical Verification of the Grazing Bifurcation'. Journal of Nonlinear Science, 14 (4):383-404 [Details]
(2003) 'Breaking Symmetries and Constraints'
Piiroinen, P.T., Dankowicz, H.J., Nordmark, A.B. (2003) 'Breaking Symmetries and Constraints'. Transitions from 2D to 3D in Passive Walkers, Multibody System Dynamics, 10 (2):147-176 [Details]
(2003) 'Breaking symmetries and constraints: transitions from 2D to 3D in passive walkers'
Piiroinen, Petri T. and Dankowicz, Harry J. and Nordmark, Arne B. (2003) 'Breaking symmetries and constraints: transitions from 2D to 3D in passive walkers'. Multibody Syst. Dyn, 10 (2):147-176 [DOI] [Details]
(2002) 'Exploiting discontinuities for stabilization of recurrent motions'
Dankowicz, H., Piiroinen, P.T. (2002) 'Exploiting discontinuities for stabilization of recurrent motions'. Dynamical Systems, 17 :317-342 [Details]
(2002) 'Low-velocity impacts of quasiperiodic oscillations'
Dankowicz, Harry and Piiroinen, Petri and Nordmark, Arne B. (2002) 'Low-velocity impacts of quasiperiodic oscillations'. Chaos Solitons Fractals, 14 (2):241-255 [DOI] [Details]
(2002) 'Low-Velocity Impacts of Quasiperiodic Oscillations'
Dankowicz, H., Piiroinen, P.T., Nordmark, A.B. (2002) 'Low-Velocity Impacts of Quasiperiodic Oscillations'. Chaos Solitons & Fractals, 14 :241-255 [Details]
(2001) 'On a Normal-Formal Analysis for a Class of Passive Bipedal Walkers'
Piiroinen, P.T., Dankowicz, H.J., Nordmark, A.B. (2001) 'On a Normal-Formal Analysis for a Class of Passive Bipedal Walkers'. International Journal of Bifurcation and Chaos, 11 (9):2411-2425 [Details]

Conference Publications

  Year Publication
(2009) 2nd IFAC Conference on Analysis and Control of Chaotic Systems, CHAOS09
Piiroinen P.T. and Mason J.F. (2009) Smooth and nonsmooth tangencies in a gear model with impacts 2nd IFAC Conference on Analysis and Control of Chaotic Systems, CHAOS09 IFAC Proceedings Volumes (IFAC-PapersOnline) Volume 2 (PART 1), , pp.93-97 [Details]
(2004) Proceedings of 21st International Congress of Theoretical and Applied Mechanics
di Bernardo, M., Kowalczyk, P., Piiroinen, P.T. (2004) Numerical Detection and continuation of sliding bifurcations in a Dry-Friction Oscillator Proceedings of 21st International Congress of Theoretical and Applied Mechanics Warsaw, Poland, [Details]
(2001) Proceedings of ASME DETC'01
Piiroinen, P.T., Dankowicz, H.J., Nordmark, A.B. (2001) Grazing Bifurcations of Initially Quasi-Periodic System Attractors Proceedings of ASME DETC'01 Pittsburgh, Pennsylvania, USA, [Details]
(2001) Proceedings of Multibody Dynamics in Sweden II
Piiroinen, P.T. (2001) Modelling gait pathologies using insight from passive, anthropomorphic, bipedal walkers Proceedings of Multibody Dynamics in Sweden II Frostavallen, Sweden, [Details]

Other Journals

  Year Publication
(2014) 'Editorial'
Brogliato, B., Lopez, L.; Piiroinen, P.T.; Küpper, T. (2014) 'Editorial' Mathematics and Computers in Simulation, . [Details]

Conference Paper

  Year Publication
(2013) Some invariant sets of impacting systems.
Piiroinen, P.T.; Nordmark, A.B.; Chillingworth, D. (2013) Some invariant sets of impacting systems. Conference Paper [Details]
(2012) On the crossing of two attracting surfaces in Filippov systems.
Piiroinen, P.T. (2012) On the crossing of two attracting surfaces in Filippov systems. Conference Paper [Details]
(2012) Transient Dynamics of Impact Oscillators.
Piiroinen, P.T.; Nordmark, A.B.; Chillingworth, D. (2012) Transient Dynamics of Impact Oscillators. Conference Paper [Details]
(2011) Discontinuity geometry - an alternative method to analyse impacting systems.
Piiroinen, P.T.; Humphries, N. (2011) Discontinuity geometry - an alternative method to analyse impacting systems. Conference Paper [Details]
(2008) Domains of Attraction in Mechanical Systems with Impacts. International Conference on Mathematical Problems in Engineering, Aerospace and sciences.
Piiroinen, P.T. (2008) Domains of Attraction in Mechanical Systems with Impacts. International Conference on Mathematical Problems in Engineering, Aerospace and sciences. Genoa, Italy: Conference Paper [Details]
(2008) Numerical Analysis of Nonsmooth Systems. EUROMECH 500: Non-smooth Problems in Vehicle System Analysis - Analysis and Solutions.
Piiroinen, P.T. (2008) Numerical Analysis of Nonsmooth Systems. EUROMECH 500: Non-smooth Problems in Vehicle System Analysis - Analysis and Solutions. Lyngby, Denmark: Conference Paper [Details]
(2006) Numerical Bifurcation Analysis of a Friction-Driven Vibro-Impact System. 1st International Conference on Vibro-Impact Systems.
Piiroinen, P.T. (2006) Numerical Bifurcation Analysis of a Friction-Driven Vibro-Impact System. 1st International Conference on Vibro-Impact Systems. Loughborough, UK: Conference Paper [Details]
(2005) Dynamic analysis of Walking. Biomechanics Symposium.
Piiroinen, P.T. (2005) Dynamic analysis of Walking. Biomechanics Symposium. Bristol, UK: Conference Paper [Details]
(2005) Grazing and Chattering in Vibro-Impact Systems. SIAM conference.
Piiroinen, P.T. (2005) Grazing and Chattering in Vibro-Impact Systems. SIAM conference. Snowbird, Utah, USA: Conference Paper [Details]
(2005) Numerical analysis of chattering orbits in vibro-impact systems. EUROMECH Nonlinear Mechanics Conference.
Piiroinen, P.T. (2005) Numerical analysis of chattering orbits in vibro-impact systems. EUROMECH Nonlinear Mechanics Conference. Eindhoven, The Netherlands: Conference Paper [Details]
(2004) Numerical bifurcation Analysis of vibro-impact systems. International Center of Vibro-Impact Systems (ICoVIS) inaugural meeting.
Piiroinen, P.T. (2004) Numerical bifurcation Analysis of vibro-impact systems. International Center of Vibro-Impact Systems (ICoVIS) inaugural meeting. Loughborough: Conference Paper [Details]
(2004) Shooting methods for continuation of sliding bifurcation. WBCA.
Piiroinen, P.T. (2004) Shooting methods for continuation of sliding bifurcation. WBCA. Sevilla, Spain: Conference Paper [Details]
(2003) Exploiting discontinuities for the stabilization of two-legged passive walkers. British Applied Mathematics Conference.
Piiroinen, P.T. (2003) Exploiting discontinuities for the stabilization of two-legged passive walkers. British Applied Mathematics Conference. Southampton, UK: Conference Paper [Details]
(2003) Using discontinuities for stabilization of recurrent motion. SIAM conference.
Piiroinen, P.T. (2003) Using discontinuities for stabilization of recurrent motion. SIAM conference. Snowbird, Utah, USA: Conference Paper [Details]
(2002) Stabilizing Control of 2D and 3D Passive Walkers. Ninth Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures.
Piiroinen, P.T. (2002) Stabilizing Control of 2D and 3D Passive Walkers. Ninth Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures. Blacksburg, Virginia, USA: Conference Paper [Details]
(2002) Exploiting discontinuities for stabilization of recurrent motion. 14th US National Congress of Theoretical an Applied Mechanics.
Piiroinen, P.T. (2002) Exploiting discontinuities for stabilization of recurrent motion. 14th US National Congress of Theoretical an Applied Mechanics. Blacksburg, Virginia, USA: Conference Paper [Details]