TechConnect Proceedings Papers
Month: March 2001
Mixed-Dimensionality, Multi-Physics Simulation Tools for Design Analysis of Microfluidic Devices and Integrated Systems
Computational design of microfluidic devices and integrated microsystems involves several strongly coupled physical disciplines, including fluid mechanics, heat transfer, stress/deformation dynam-ics, electrokinetics, biochemistry and others. CFDRC is dev
Efficient Numerical Methods for the Simulation of Flow Reactors
We describe recent developments in the design of numerical methods for the simulation of heat transport and chemical processes in ow reactors. For viscous ow in the low-Mach-number regime, we use a stable finite element [...]
Electroosmotic Microfluidic Flows with Random Zeta Potential
Average electroosmotic ows in the presence of axially-varying zeta potentials are shown to be plug-like, with variances which depend on radial position across the capillary. Consequences for the dispersion of samples are examined theoretically and [...]
Surface Tension Induced Instability of Viscous Liquid Jets
Viscous liquid jets are inherently unstable, and drop formation can be induced by various means including surface tension modulation. Furthermore, surface tension is temperature dependent, and can be modulated by locally heating the surface of [...]
Reconfigurable Microfluidic System Architecture Based on Two-Dimensional Electrowetting Arrays
We present an architectural design and optimization methodology for performing biochemical reactions using two-dimensional electrowetting arrays. We define a set of basic microfluidic operations and leverage electronic design automation principles for system partitioning, resource allocation, [...]
A Combined DSMC/Meshless Technique for Multiscale Analysis of Microfluidic Filters
A multiscale method that couples a meshless Stokes solver and a DSMC simulator is reported. The method is based on overlapped Schwarz alternating method with Dirichlet-Dirichlet type boundary conditions for domain decomposition and meshless interpolation
A Method for Determining the Dependence of Integrated Circuit Performance on Silicon Process, Device and Circuit Parameters
The goal of this project is to develop a structured methodology for achieving a design of a block of circuit in an IC which is more compliant to the specification using a multiple simulation approach. [...]
Statistical Optimal Design of Microelectromechanical Systems (MEMS)
A three-step technique for MEMS quality optimization is demonstrated. It exploits the relative merits of its constituent optimization components. Analog Devices' ADXL50 accelerometer was the test device with microstructure dimen-sions serving as design parameters. Manufacturing [...]
A New 3D Analytical Design Model of an Electrostatic Micromotor Using Multi-objective Approach
This paper presents a new design technique for finding the optimal structures of small size variable capacitance (VC) side-drive micromotors, based on a new 3D analytical micromotor design model. Two objective functions in mutual contrast, [...]