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HomeKeywordsmodel order reduction

Keywords: model order reduction

A Sparse Grid based Collocation Method for Model Order Reduction of Finite Element Models of MEMS under Uncertainty

Sumant P.S., Wu H., Cangellaris A.C., Aluru N., University of Illinois at Urbana-Champaign, US
A methodology is proposed for the model order reduction of finite element models of MEMS devices under random input conditions. In this approach, the reduced order system matrices are represented in terms of their convergent [...]

Parameter Preserving Model Order Reduction of a Flow Meter

Moosmann C., Rudnyi E.B., Greiner A., Korvink J.G., Hornung M., IMTEK, University of Freiburg, DE
Model order reduction is known to work reliably for MEMS simulations and can beused to speed up transient and harmonic computations tremendously. However, using standard model reduction techniques the generated reduced models are only able [...]

Perturbation Analysis of TBR Model Reduction in Application to Trajectory-Piecewise Linear Algorithm for MEMS Structures

Vasilyev D., Rewienski M., White J.K., Massachusetts Institute of Technology, US
MEMS devices generate challenging test cases for nonlinear model order reduction methods, due to their strongly nonlinear behavior. One of the model order reduction methods which can handle this nonlinear behavior is a Trajectory-Piecewise linear [...]

MEMS Compact Modeling Meets Model Order Reduction: Examples of the Application of Arnoldi Methods to Microsystem Devices

Lienemann J., Billger D., Rudnyi E.B., Greiner A., Korvink J.G., IMTEK, Albert Ludwig University, DE
Modeling and simulation of the behavior of a system consisting of many single devices is an essential requirement for the reduction of design cycles in the development of microsystem applications. Analytic solutions for the describing [...]

mor4ansys: Generating Compact Models Directly From ANSYS Models

Rudnyi E.B., Lienemann J., Greiner A., Korvink J.G., IMTEK, Albert Ludwig University, DE
Model reduction of linear large-scale dynamic systems is already quite an established area [1]–[3]. In a number of papers (see references in [3]), the advantages of model reduction have been demonstrated. In the present paper, [...]

Heat Transfer Macromodels for MEMS Devices with 3D Geometries

Yu C-C, Yang Y-J, National Taiwan University, TW
There are numerous heat transfer applications in MEMS, such as thermal actuating, uncooled infrared sensing, chip cooling, temperature sensing, PCR, and so on. Most of the applications need feedback loops for precise control or actuation, [...]

Time-Domain Reduced-Order Models of Lateral Viscous Damping Effects for 3-D Geometries

Yen P-C, Yang Y-J, National Taiwan University, TW
A methodology of generating time-domain reduced-order models of viscous lateral damping effects for microsystems is presented. A three-dimensional finite-difference-method (FDM) Stokes flow solver was developed and verified. The system matrices generate by the solver were [...]

Macromodel Extraction of Gas Damping Effects for Perforated Surfaces with Arbitrarily-Shaped Geometries

Yang Y-J, Yu C-J, National Taiwan University, TW
In this work, we present an application of an Arnoldi-based model order reduction (MOR) technique on squeezed-film damping (SQFD) effects for arbitrarily-shaped perforated geometries. The compact models generated by this approach not only can be [...]

Improving Trajectory Piecewise-Linear Approach to Nonlinear Model Order Reduction for Microm䁡chined Devices Using an Aggregated Projection Basis

Rewienski M., White J.K., Massachusetts Institute of Technology, US
In this paper we present an improved algorithm for nonlinear model order reduction (MOR) based on the trajectory piecewise-linear method proposed in [6] which, as shown before, provides an e ective and eÆcient strategy for [...]

Full Wave Electromagnetic Analysis and Model Order Reduction for Complex Three Dimensional Structures

Balk I., He Y., IntelliSense Corporation, US
Progress in MEMS and packaging design has made significant changes in the requirements for modeling tools. In order to design a modern microdevice or interconnect system it is no longer sufficient to limit the analysis [...]

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