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Comsol, the maker of Comsol Multiphysics simulation software, has introduced the Microfluidics Module, offering easy-to-use tools for the study of microfluidic devices and rarefied gas flows.

The Microfluidics Module is designed for researchers, engineers and experimentalists in the fields of microfluidics and vacuum science.

Application areas include lab-on-chip devices, digital microfluidics, biosensors, electrokinetic and magnetokinetic devices, inkjet technology, and vacuum system design.

The module is accompanied by a suite of tutorial and industrially relevant models that serve as both instructional examples and as a foundation for future work.

The Microfluidics Module includes interfaces for single-phase flow.

With these interfaces, users can simulate applications such as compressible gas flows at low pressures, non-Newtonian flows (for example, blood flow), and laminar and creeping flows that typically occur in lab-on-chip systems.

A particular strength in this module is it modelling interfaces for executing two-phase flow simulations using the level set, phase field, and moving mesh methods.

A variety of fluid-interface effects is included, such as surface tension forces, capillary forces and Marangoni effects.

These flow simulation tools and the multiphysics capabilities of Comsol make it easy to set up coupled electrokinetic and magnetohydrodynamic models for the simulation of electrophoresis, magnetophoresis, dielectrophoresis, electro-osmosis, and electrowetting effects that are used alone or in combinations in both existing and emerging passive electronic display technologies for their basic function.

Chemical diffusion for multiple dilute species is also included in the module, enabling the simulation of processes occurring in lab-on-chip devices and biosensors.

The Microfluidics Module comes with a free molecular flow interface that uses the fast angular co-efficient method and allows for simulations where the molecular mean free path is much longer than the geometric dimensions.

Combined with Comsol’s Livelink interfaces for industry-standard CAD packages, the tool is suitable for vacuum system design because it enables users to run quick parametric studies of chamber geometries and pump configurations.

The Microfluidics Module is supplied with a set of fully documented industrially relevant and tutorial models, including: capillary rise; jet instability; drug delivery system; electrokinetic valve; electro-osmotic mixer; electrowetting lens; lamella mixer; star chip; viscous catenary; vacuum capillary; and ion implanter.

Comsol

COMSOL Multiphysics® is a software environment for the modeling and simulation of any physics-based system. A particular strength is its ability to account for multiphysics phenomena. Optional modules add discipline-specific tools for acoustics, batteries and fuel cells, chemical engineering, earth science, electromagnetics, fluid dynamics, heat transfer, MEMS, plasma, and structural analysis.

COMSOL Multiphysics® is a software environment for the modelling and simulation of any physics-based system. A particular strength is its ability to account for multiphysics phenomena. Optional modules add discipline-specific tools for acoustics, batteries and fuel cells, chemical engineering, earth science, electromagnetics, fluid dynamics, heat transfer, MEMS, plasma, and structural analysis.

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