نتایج جستجو برای: microscale

تعداد نتایج: 5714  

A. M. Rashidi M. Izadi M. M. Shahmardan

The paper numerically presents laminar forced convection of a nanofluid flowing in a duct at microscale. Results were compared with both analytical and experimental data and observed good concordance with previous studies available in the literature. Influences of Brinkman and Reynolds number on thermal and hydrodynamic indexes have been investigated. For a given nanofluid, no change in efficie...

Journal: :Journal of the Royal Society, Interface 2012
Elham Hamed Iwona Jasiuk Andrew Yoo Yikhan Lee Tadeusz Liszka

We model trabecular bone as a nanocomposite material with hierarchical structure and predict its elastic properties at different structural scales. The analysis involves a bottom-up multi-scale approach, starting with nanoscale (mineralized collagen fibril) and moving up the scales to sub-microscale (single lamella), microscale (single trabecula) and mesoscale (trabecular bone) levels. Continuu...

2001
Jim Redmond Maarten de Boer Dave Reedy

The Microsystems Subgrid Physics project is intended to address gaps between developing high-performance modeling and simulation capabilities and microdomain specific physics. The initial effort has focused on incorporating electrostatic excitations, adhesive surface interactions, and scale dependent material and thermal properties into existing modeling capabilities. Developments related to ea...

2017
Layla J Barkal Erwin Berthier Ashleigh B Theberge Nancy P Keller David J Beebe

1 Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, 2 Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin, United States of America, 3 Department of Chemistry, University of Washington, Seattle, Washington, United States of America, 4 Department of Urology, University of Washington School of Medicine, Seat...

Journal: :transport phenomena in nano and micro scales 2013
m. izadi m. m. shahmardan a. m. rashidi

the paper numerically presents laminar forced convection of a nanofluid flowing in a duct at microscale. results were compared with both analytical and experimental data and observed good concordance with previous studies available in the literature. influences of brinkman and reynolds number on thermal and hydrodynamic indexes have been investigated. for a given nanofluid, no change in efficie...

2007
Ben Zion Steinberg John J. McCoy

The theory of multiresolution decomposition and wavelets is used to study the e ective properties of a thin elastic plate with surface mass density or sti ness heterogeneity, subjected to time-harmonic forcing. The heterogeneity possesses microand macro-scale variations, and has a macroscale outer dimension. It is shown that the microscale mass variation has practically no e ect on the macrosca...

Journal: :BioEssays : news and reviews in molecular, cellular and developmental biology 2008
Amy L Paguirigan David J Beebe

Microscale techniques have been applied to biological assays for nearly two decades, but haven't been widely integrated as common tools in biological laboratories. The significant differences between several physical phenomena at the microscale versus the macroscale have been exploited to provide a variety of new types of assays (such as gradient production or spatial cell patterning). However,...

2008
A. J. Roberts

Consider the macroscale modelling of microscale spatiotemporal dynamics. Here we develop a new approach to ensure coarse scale discrete models preserve important self-adjoint properties of the fine scale dynamics. The first part explores the discretisation of microscale continuum dynamics. The second addresses how dynamics on a fine lattice are mapped to lattice a factor of two coarser (as in m...

2015
Haiyang Yu Youwei He Peng Li Shuang Li Tiantian Zhang Elena Rodriguez-Pin Song Du Chenglong Wang Shiqing Cheng Christopher W. Bielawski Steven L. Bryant Chun Huh

Understanding and controlling fluids flow at the microscale is a matter of growing scientific and technological interest. Flow enhancements of water-based nanoparticle dispersions through microscale porous media are investigated through twelve hydrophilic sedimentary rocks with pore-throat radius between 1.2 and 10 μm, which are quantitatively explained with a simple model with slip length corr...

2004
Wenwu Zhang Y. Lawrence Yao I. C. Noyan

Microscale Laser Shock Peening (LSP), also known as Laser Shock Processing, is a technique that can be potentially applied to manipulate residual stress distributions in metal film structures and thus improve the fatigue performances of micro-devices made of such films. In this study, microscale LSP of copper films on single crystal silicon substrate is investigated. Before and after-process cu...

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