Picture map of Europe with pins indicating European capital cities

Open Access research with a European policy impact...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

Explore research outputs by the European Policies Research Centre...

Strathprints

Exploiting timescale separation in micro and nano flows

Lockerby, Duncan A. and Duque-Daza, Carlos A. and Borg, Matthew Karl and Reese, Jason (2011) Exploiting timescale separation in micro and nano flows. In: 3rd Micro and Nano Flows Conference, MNF11, 2011-08-22 - 2011-08-24.

[img] PDF
Reese_JM_Pure_Exploiting_timescale_separation_in_micro_and_nano_flows_Aug_2011.pdf - Preprint
Download (1MB)

Abstract

In this paper we describe how timescale separation in micro/nano flows can be exploited for computational acceleration. A modified version of the seamless heterogenous multiscale method (SHMM) is proposed: a multi-step SHMM. This maintains the main advantages of SHMM (e.g., re-initialisation of micro data is not required; temporal gearing (computational speed-up) is easily controlled; and it is applicable to full and intermediate degrees of timescale separation) while improving on accuracy and greatly reducing the number of macroscopic computations and micro/macro coupling instances required. The improved accuracy of the multi-step SHMM is demonstrated for two canonical one-dimensional transient flows (oscillatory Poiseuille and oscillatory Couette flow) and for rarefied-gas oscillatory Poiseuille flow.

Item type: Conference or Workshop Item (Paper)
ID code: 36511
Keywords: Heterogenous Multiscale Method (HMM), seamless HMM, rarefied oscillatory Poiseuille flow, Mechanical engineering and machinery, Solid state physics. Nanoscience, Mechanical Engineering, Computational Mechanics
Subjects: Technology > Mechanical engineering and machinery
Science > Physics > Solid state physics. Nanoscience
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Technology and Innovation Centre > Advanced Engineering and Manufacturing
Depositing user: Pure Administrator
Date deposited: 20 Dec 2011 11:43
Last modified: 21 Sep 2017 15:48
Related URLs:
URI: https://strathprints.strath.ac.uk/id/eprint/36511
Export data:
CORE (COnnecting REpositories)