Deformed gap space using macro-micro FEA model and transferred into a CFD model

Ali Anwar; Yevgen Gorash; William Dempster; David Nash

doi:10.1002/pamm.201610199

Deformed gap space using macro-micro FEA model and transferred into a CFD model

Ali Anwar, Yevgen Gorash, William Dempster, David Nash

Mechanical And Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

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Abstract

Using a cylindrical nozzle and seat of a Pressure Relief Valve (PRV) the surface form and waviness is modelled using actual metrological data i.e. average surface form and waviness (Wa and Wsm) in a 1/4 symmetry manner. To model the surface waviness the technique used is based on the summing technique created by Tsukizoe & Hisakado (1965) for micro contact analysis. Due to the actual surface form measurements being in the micro-meter range, the model is required to incorporate micro and macro-meter dimensions. The material in question is stainless steel. The deformed finite element analysis model is then transferred into a CAD geometry allowing the void space to be meshed and solved using computational fluid dynamics.

Original language	English
Article number	61264
Number of pages	2
Journal	Proceedings in Applied Mathematics and Mechanics, PAMM
Volume	16
Issue number	1
Early online date	26 Oct 2016
DOIs	https://doi.org/10.1002/pamm.201610199
Publication status	E-pub ahead of print - 26 Oct 2016
Event	87th Annual Meeting of the International Association of Applied Mathematics and Mechanics, GAMM 2016 - Technische Universität Braunschweig, Braunschweig, Germany Duration: 7 Mar 2016 → 11 Mar 2016 Conference number: 2016 http://jahrestagung.gamm-ev.de/index.php/2016/joint-dmv-and-gamm-annual-meeting

Keywords

microflow modelling
macro-micro FEA
fluid structure interaction
pressure relief valve
finite element analysis
metal-to-metal
gap space

Access to Document

10.1002/pamm.201610199

Anwar-etal-PAMM2016-Deformed-gap-space-using-macro-micro-FEA-modelAccepted author manuscript, 380 KB

Cite this

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title = "Deformed gap space using macro-micro FEA model and transferred into a CFD model",

abstract = "Using a cylindrical nozzle and seat of a Pressure Relief Valve (PRV) the surface form and waviness is modelled using actual metrological data i.e. average surface form and waviness (Wa and Wsm) in a 1/4 symmetry manner. To model the surface waviness the technique used is based on the summing technique created by Tsukizoe & Hisakado (1965) for micro contact analysis. Due to the actual surface form measurements being in the micro-meter range, the model is required to incorporate micro and macro-meter dimensions. The material in question is stainless steel. The deformed finite element analysis model is then transferred into a CAD geometry allowing the void space to be meshed and solved using computational fluid dynamics.",

keywords = "microflow modelling, macro-micro FEA, fluid structure interaction, pressure relief valve, finite element analysis, metal-to-metal, gap space",

author = "Ali Anwar and Yevgen Gorash and William Dempster and David Nash",

note = "This is the accepted version of the following article: Anwar, A., Gorash, Y., Dempster, W., & Nash, D. (2016). Deformed gap space using macro-micro FEA model and transferred into a CFD model. Proceedings in Applied Mathematics and Mechanics, PAMM, 16(1), [61264]., which has been published in final form at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1617-7061.; 87th Annual Meeting of the International Association of Applied Mathematics and Mechanics, GAMM 2016, GAMM ; Conference date: 07-03-2016 Through 11-03-2016",

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doi = "10.1002/pamm.201610199",

language = "English",

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T1 - Deformed gap space using macro-micro FEA model and transferred into a CFD model

AU - Anwar, Ali

AU - Gorash, Yevgen

AU - Dempster, William

AU - Nash, David

N1 - Conference code: 2016

PY - 2016/10/26

Y1 - 2016/10/26

N2 - Using a cylindrical nozzle and seat of a Pressure Relief Valve (PRV) the surface form and waviness is modelled using actual metrological data i.e. average surface form and waviness (Wa and Wsm) in a 1/4 symmetry manner. To model the surface waviness the technique used is based on the summing technique created by Tsukizoe & Hisakado (1965) for micro contact analysis. Due to the actual surface form measurements being in the micro-meter range, the model is required to incorporate micro and macro-meter dimensions. The material in question is stainless steel. The deformed finite element analysis model is then transferred into a CAD geometry allowing the void space to be meshed and solved using computational fluid dynamics.

AB - Using a cylindrical nozzle and seat of a Pressure Relief Valve (PRV) the surface form and waviness is modelled using actual metrological data i.e. average surface form and waviness (Wa and Wsm) in a 1/4 symmetry manner. To model the surface waviness the technique used is based on the summing technique created by Tsukizoe & Hisakado (1965) for micro contact analysis. Due to the actual surface form measurements being in the micro-meter range, the model is required to incorporate micro and macro-meter dimensions. The material in question is stainless steel. The deformed finite element analysis model is then transferred into a CAD geometry allowing the void space to be meshed and solved using computational fluid dynamics.

KW - microflow modelling

KW - macro-micro FEA

KW - fluid structure interaction

KW - pressure relief valve

KW - finite element analysis

KW - metal-to-metal

KW - gap space

UR - http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1617-7061

U2 - 10.1002/pamm.201610199

DO - 10.1002/pamm.201610199

M3 - Article

SN - 1617-7061

VL - 16

JO - Proceedings in Applied Mathematics and Mechanics, PAMM

JF - Proceedings in Applied Mathematics and Mechanics, PAMM

IS - 1

M1 - 61264

T2 - 87th Annual Meeting of the International Association of Applied Mathematics and Mechanics, GAMM 2016

Y2 - 7 March 2016 through 11 March 2016

ER -

Deformed gap space using macro-micro FEA model and transferred into a CFD model

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

David Nash, BSc(Hons), MSc, PhD, CEng, FIMechE, FIES

Project 3.7: Investigation and model development of valve leak tightness

3D micro-macro fluid-structure model of pressure relief valve leak tightness

Microflow leakage through the clearance of a metal-metal seal

Application of multiscale approaches to the investigation of sealing surface deformation for the improvement of leak tightness in pressure relief valves

Cite this

Deformed gap space using macro-micro FEA model and transferred into a CFD model

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Profiles

David Nash, BSc(Hons), MSc, PhD, CEng, FIMechE, FIES

Projects

Project 3.7: Investigation and model development of valve leak tightness

Research output

3D micro-macro fluid-structure model of pressure relief valve leak tightness

Microflow leakage through the clearance of a metal-metal seal

Application of multiscale approaches to the investigation of sealing surface deformation for the improvement of leak tightness in pressure relief valves

Cite this