Technical Papers and Presentations

Here you will find presentations given at COMSOL Conferences around the globe. The presentations explore the innovative research and products designed by your peers using COMSOL Multiphysics. Research topics span a wide array of industries and application areas, including the electrical, mechanical, fluid, and chemical disciplines. Use the Quick Search to find presentations pertaining to your application area.

Enhanced Evanescent Near Field Optical Lithography with Embedded Metal Masks

B. Sefa-Ntiri, and P.D. Prewett
University of Birmingham

Simulations of evanescent near field optical lithography (ENFOL) using an embedded metal mask (EMM) show that the resolution and throughput are significantly enhanced over conventional ENFOL, due to the coupling between surface plasmon polaritons and cavity mode excitations. The key role played by surface plasmon polaritons and the necessity for wave vector matching between the incoming ...

Stabilised Finite Element Modelling of Oldroyd-B Viscoelastic Flows

T.J. Craven, J.M. Rees, and W.B. Zimmerman
University of Sheffield

The Oldroyd-B family of viscoelastic fluids are notoriously difficult to model numerically. Standard Galerkin finite element methods are prone to numerical oscillations, and solutions break down as fluid elasticity increases. The situation can be remedied to a certain degree however through the addition of weak stabilisation terms to the Galerkin formulation. We present a stabilised ...

Self Heating Effects and Equilibrium Rise Times within Micro Silicon Thermistors Operating Within a Gas Liquid Interface

R.Osborne, and K. Dawkins
University of Birmingham

This paper considers the thermal behaviour of an array of micro-silicon thermistors operating within a liquid/gas interface for fluid level sensing applications. COMSOL Multiphysics has been used to model and simulate the transient multiphysics model and calculate the overall thermal flux, the steady-state condition and time taken to obtain steady thermal balance.

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