Dr. Michael Vynnycky

Faculty Of Science & Engineering

Dept. Of Mathematics & Statistics

Position: Professor

Email: michael.vynnycky@ul.ie

Tel: 061 233199

Address(es)

Department of Mathematics and Statistics

University of Limerick

Limerick

Research Interests

Polymer electrolyte fuel cells; vanadium redox batteries; electrochemical pickling of steel; the Mpemba effect; continuous casting of metals; geophysical processes (mantle convection; magmatic ascent)

Professional Activities

Language

English
Swedish
Ukrainian
Japanese

Peer Reviewed Journals

2021

On the CFD modelling of slamming of the metal melt in high pressure die casting involving lost cores

Kohlstädt, S.; Vynnycky, M.; Goeke, S. (2021) On the CFD modelling of slamming of the metal melt in high pressure die casting involving lost cores. Metals :1-17

2021

An accuracy-preserving numerical scheme for parabolic partial differential equations subject to discontinuous boundary conditions

Mitchell, S. L.; Vynnycky, M., (2021) An accuracy-preserving numerical scheme for parabolic partial differential equations subject to discontinuous boundary conditions. Applied Mathematics And Computation :1-16

2021

Analysis of a model for longitudinal electromagnetic stirring in the continuous casting of steel

Nick, A. S.; Vynnycky, M.; Jönsson, P. G. (2021) Analysis of a model for longitudinal electromagnetic stirring in the continuous casting of steel. International Journal Of Applied Electromagnetics And Mechanics

Research Interests

Professional Activities

Language

Publications

Peer Reviewed Journals

On the CFD modelling of slamming of the metal melt in high pressure die casting involving lost cores

An accuracy-preserving numerical scheme for parabolic partial differential equations subject to discontinuous boundary conditions

Analysis of a model for longitudinal electromagnetic stirring in the continuous casting of steel

A validated asymptotic thermomechanical model for air-gap formation in tapered moulds in the continuous casting of steel

On small-time similarity-solution behaviour in the solidification shrinkage of binary alloys

A non-linear transient reaction-diffusion problem from electroanalytical chemistry

A moving-boundary model of dissolution from binary drug-excipient granules incorporating granule microstructure

Towards the modelling of fluid-structure interactive lost core deformation in high-pressure die casting

On the significance of sulphuric-acid dissociation in the modelling of vanadium redox flow batteries

On longitudinal electromagnetic stirring in the continuous casting of steel blooms

Analysis of a model for the formation of fold-type oscillation marks in the continuous casting of steel

On the formation of centreline shrinkage porosity in the continuous casting of steel

On the modelling of joint formation in dissolutive brazing processes

Asymptotic analysis of drug dissolution in two layers having widely differing diffusivities

The vanadium redox flow battery: An asymptotic perspective

An elementary diffusion problem, Laplace transforms and novel mathematical identities

An efficient adaptive boundary algorithm to reconstruct Neumann boundary data in the MFS for the inverse Stefan problem

Applied mathematical modelling of continuous casting processes: a review

Numerical simulation of brazing aluminium alloys with Al-Si alloys

Experimental and numerical CHT-investigations of cooling structures formed by lost cores in cast housings for optimal heat transfer

On efficient reconstruction of boundary data with optimal placement of the source points in the MFS: application to inverse Stefan problems

On an anomaly in the modelling of electromagnetic stirring in continuous casting

On the effect of control-point spacing on the multisolution phenomenon in the P3P problem

Towards a "moving-point" formulation for the modelling of oscillation-mark formation in the continuous casting of steel

An asymptotic approach to solidification shrinkage-induced macrosegregation in the continuous casting of binary alloys

On the explicit resolution of the mushy zone in the modelling of the continuous casting of alloys

Verified reduction of a model for a continuous casting process

On the interactive effects of mould taper and superheat on air gaps in continuous casting

The influence of peritectic reaction/transformation on crack susceptibility in the continuous casting of steels

On the formation of fold-type oscillation marks in the continuous casting of steel

On the accurate numerical solution of a two-phase Stefan problem with phase formation and depletion

A finite difference technique for solving a time strain separable K-BKZ constitutive equation for two-dimensional moving free surface flows

An asymptotic model for the primary drying stage of vial lyophilization

A study of the oscillation marks' characteristics of continuously cast Incoloy alloy 825 blooms

A theoretical analysis of the interaction between pores and inclusions during continuous casting of steel

Verified reduction of dimensionality for an all-vanadium redox flow battery model

On the numerical solution of a Stefan problem with finite extinction time

Mathematical Analysis of the Multisolution Phenomenon in the P3P Problem

On the avoidance of ripple marks on cast metal surfaces

Mould-taper asymptotics and air gap formation in continuous casting

The oxygen diffusion problem: Analysis and numerical solution

The formation of vesicular cylinders in pahoehoe lava flows

Can natural convection alone explain the Mpemba effect?

Towards computationally-efficient modeling of transport phenomena in three-dimensional monolithic channels

Numerical studies of thermal convection with temperature-and pressure-dependent viscosity at extreme viscosity contrasts

Non-isothermal hydrophobicity-dependent two-phase flow in the porous cathode gas diffusion layer of a polymer electrolyte fuel cell

Boundary layers in pressure-driven flows in smectic A liquid crystals

On the numerical solution of two-phase Stefan problems with heat-flux boundary conditions

A quasi-asymptotic model for the ascent of magmatic diapirs

The slow, steady ascent of a hot solid sphere in a Newtonian fluid with strongly temperature-dependent viscosity

The quasi-steady state of all-vanadium redox flow batteries: a scale analysis

Slow, steady ascent in a power-law fluid with temperature-dependent viscosity

An Aggregate Measure for the Local Current Density Coupling in Fuel Cell Stacks

On the onset of air-gap formation in vertical continuous casting with superheat

A finite-element method for the weakly compressible parabolized steady 3D Navier-Stokes equations in a channel with a permeable wall

On the role of radiative heat transfer in air gap's in vertical continuous casting

ON THE ACCURACY OF A FINITE-DIFFERENCE METHOD FOR PARABOLIC PARTIAL DIFFERENTIAL EQUATIONS WITH DISCONTINUOUS BOUNDARY CONDITIONS

Rayleigh-Benard convection at high Rayleigh number and infinite Prandtl number: Asymptotics and numerics

Multiple bulk-reaction asymptotics and the electrochemical pickling of steel

On the hydrophobicity and hydrophilicity of the cathode gas diffusion layer in a polymer electrolyte fuel cell

On the interchangeability of potentiostatic and galvanostatic boundary conditions for fuel cells

Contact lines with a 180 degrees contact angle

Fuel cell model reduction through the spatial smoothing of flow channels

An accurate finite-difference method for ablation-type Stefan problems

Axisymmetric natural convection-driven evaporation of hot water and the Mpemba effect

Axisymmetric natural convection-driven evaporation of water: Analysis and numerical solution

An asymptotic and numerical study of slow, steady ascent in a Newtonian fluid with temperature-dependent viscosity

Analysis of a model for the operation of a vanadium redox battery

Computationally efficient multi-phase models for a proton exchange membrane fuel cell: Asymptotic reduction and thermal decoupling

An accurate numerical solution for the transient heating of an evaporating spherical droplet

Reaction-layer asymptotics and the electrochemical pickling of steel

Asymptotically Reduced Model for a Proton Exchange Membrane Fuel Cell Stack: Automated Model Generation and Verification

Evaporative cooling and the Mpemba effect

Air gaps in vertical continuous casting in round moulds

On the application of concentrated solution theory to the forced convective flow of excess supporting electrolyte

Modelling of fluid flow, heat transfer, solidification in the strip casting of copper base alloy. Part 3. Solidification a theoretical study