Preprint Article Version 1 This version is not peer-reviewed

Simulation of Air Puff Tonometry Test Using Arbitrary Lagrangian-Eulerian (ALE) Deforming Mesh for Corneal Material Characterisation

Version 1 : Received: 23 September 2019 / Approved: 25 September 2019 / Online: 25 September 2019 (08:16:34 CEST)

How to cite: Maklad, O.; Eliasy, A.; Chen, K.; Theofilis, V.; Elsheikh, A. Simulation of Air Puff Tonometry Test Using Arbitrary Lagrangian-Eulerian (ALE) Deforming Mesh for Corneal Material Characterisation. Preprints 2019, 2019090278 (doi: 10.20944/preprints201909.0278.v1). Maklad, O.; Eliasy, A.; Chen, K.; Theofilis, V.; Elsheikh, A. Simulation of Air Puff Tonometry Test Using Arbitrary Lagrangian-Eulerian (ALE) Deforming Mesh for Corneal Material Characterisation. Preprints 2019, 2019090278 (doi: 10.20944/preprints201909.0278.v1).

Abstract

Purpose: To improve numerical simulation of the non-contact tonometry test by using Arbitrary Eulerian-Lagrangian deforming mesh in the coupling between computational fluid dynamics model of an air jet and finite element model of the human eye. Methods: Computational fluid dynamics model simulated impingement of the air puff and consisted of 25920 wedge6 elements and employed Spallart-Allmaras model to simulate capture turbulence of the air jet. The time span of the jet wais 30 ms and maximum Reynolds number

Subject Areas

ocular biomechanics; intraocular pressure (iop); fluid structure interaction (fsi); arbitrary lagrangian-eulerian mesh (ale)

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