simulation – Page 15 – TechConnect Briefs

Simulation of Shape Memory Devices with Coupled Finite Element Programs

Krevet B., Kohl M., Forschungszentrum Karlsruhe, DE

This paper presents thermal and mechanical calculations on micro devices driven by electrical heating of a shape memory alloy (SMA). For simulation a program packages has been developed to allow coupling of single task Finite [...]

Inverted Method for Simulation of Electrokinetic Transport in Microchannel Devices

Nilson R.H., Griffiths S.K., Sandia National Laboratories, US

An inverted method of solution is used to numerically solve the equations governing electrokinetic fluid flow and species transport in microscale turns, junctions and curved channels. Rather than solving for the electric potential and fluid [...]

Mixed-Dimensionality, Multi-Physics Simulation Tools for Design Analysis of Microfluidic Devices and Integrated Systems

Przekwas A.J., Makhijani V.B., CFD Research Corporation, US

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

A Method for Determining the Dependence of Integrated Circuit Performance on Silicon Process, Device and Circuit Parameters

Sipahi L.B., Myers B.A., Sanders T.J., Intersil Corporation, US

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. [...]

Simulation and Optimum Design of Finline/Slotted Line Millimeter Wave Antenna

Fu J.S., Ng C.L., Kwang Y., Sia E.K., Tan S.H., Nanyang Technological University, SG

Simulations are carried out using XFDTD software to determine the set of input values for several parameters of the fin line antenna, to give an optimized radiation performance in the principal planes. A further modification [...]

Noise Modeling Methodology for Full-System Inertial Microsensor Codesign

Pottenger M.D., Kaiser W.J., University of California at Los Angeles, US

Methos for incorporation noise models into full-system inertial microsensor simulation are presented. Thermal motion of the proof mass and flicker noise in the interface circuit exhibit essential behaviore that must be included in sensor design. [...]

Modeling of Ionic Hydrogel Kinetics in Buffered Solutions

Ohs R.R., De S.K., Aluru N.R., University of Illinois at Urbana-Champaign, US

In this paper, we present the meshless Finite Cloud Method (FCM) for the solution of a time-dependent partial differential equation governing ionic gel swelling. Using a point distribution, FCM constructs interpolation functions without assuming any [...]

Simulation of Aluminum Micro-mirrors for Space Applications at Cryogenic Temperatures

Kuhn J.L., Dutta S.B., Greenhouse M.A., Mott D.B., NASA/Goddard Space Flight Center, US

Closed form and finite element models are developed to predict the device response of aluminum electrostatic torsion micro-mirrors fabricated on silicon substrate for space applications at operating temperatures of 30K. Initially, closed form expressions for [...]

Computational Studies of Membrane-Based Test Formats

Krishnamoorthy S., Makhijani V.B., Lei M., Giridharan M.G., Tisone T., CFD Research Corporation, US

Membrane-based test formats provide simple, accurate and cost effective diagnoses of acute and chronic conditions in general population health. The sensitivity of the immunoassay is determined by the complex biochemical binding kinetics associated with the [...]

Hierarchical Simulation for Microelectrofluidic System Performance Analysis

Zhang T., Dewey A., Duke University, US

With the sophisticated development of microelectro fluiidic devices and systems, system performance analysis is a key for system optimization and system re-design. Due to the increasing complexity and natural characteristics of microsystems, system performance is [...]