<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The work is devoted to study 2D pressure driven rarefied gas flow in a microchannel having an elastic obstacle. The elastic obstacle is clamped at the bottom channel wall and its length is half of the channel height. The gas flow is simulated by Direct Simulation Monte Carlo (DSMC) method applying the advanced Simplified Bernoulli Trial (SBT) collision scheme. The elastic obstacle is modelled as geometrically nonlinear Euler Bernoulli beam. A reduced 3 modes reduction model of the beam is created. The influence of the gas flow on the beam vibration is studied, considering the linear and nonlinear beam theories.</p></abstract>

The work is devoted to study 2D pressure driven rarefied gas flow in a microchannel having an elastic obstacle. The elastic obstacle is clamped at the bottom channel wall and its length is half of the channel height. The gas flow is simulated by Direct Simulation Monte Carlo (DSMC) method applying the advanced Simplified Bernoulli Trial (SBT) collision scheme. The elastic obstacle is modelled as geometrically nonlinear Euler Bernoulli beam. A reduced 3 modes reduction model of the beam is created. The influence of the gas flow on the beam vibration is studied, considering the linear and nonlinear beam theories.

Geometrically Non-Linear Vibration of a Cantilever Interacting with Rarefied Gas Flow

Cybernetics and Information Technologies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The work is devoted to study 2D pressure driven rarefied gas flow in a microchannel having an elastic obstacle. The elastic obstacle is clamped at the bottom...

Geometrically Non-Linear Vibration of a Cantilever Interacting with Rarefied Gas Flow

Published Online: Dec 31, 2020

Page range: 126 - 139

Received: Sep 15, 2020

Accepted: Oct 23, 2020

DOI: https://doi.org/10.2478/cait-2020-0067

Keywords
Fluid-Structure Interaction (FSI), rarefied gas, microchannel, DSMC, Euler-Bernoulli beam, pressure driven flow

© 2020 Kiril Shterev et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Geometrically Non-Linear Vibration of a Cantilever Interacting with Rarefied Gas Flow

Published Online: Dec 31, 2020

Page range: 126 - 139

Received: Sep 15, 2020

Accepted: Oct 23, 2020

DOI: https://doi.org/10.2478/cait-2020-0067

KeywordsFluid-Structure Interaction (FSI), rarefied gas, microchannel, DSMC, Euler-Bernoulli beam, pressure driven flow

© 2020 Kiril Shterev et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Fluid-Structure Interaction (FSI), rarefied gas, microchannel, DSMC, Euler-Bernoulli beam, pressure driven flow