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Metals
Volume 12
Issue 7
10.3390/met12071176
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Peer-Review Record

Finite Element Analysis of Fluid–Structure Interaction in a Model of an L-Type Mg Alloy Stent-Stenosed Coronary Artery System

Metals 2022, 12(7), 1176; https://doi.org/10.3390/met12071176
by Yizhe Chen 1,2,†, Yuzhuo Yang 1,3,†, Hui Wang 1,2, Wenpeng Peng 4,*, Xunan Lu 1,3, Yijia Peng 1,3, Feng Zheng 5 and Shanshan Chen 5,*
Reviewer 1:
Mostapha Ariane
Reviewer 2: Anonymous
Metals 2022, 12(7), 1176; https://doi.org/10.3390/met12071176
Submission received: 22 May 2022 / Revised: 1 July 2022 / Accepted: 1 July 2022 / Published: 11 July 2022
(This article belongs to the Special Issue Aluminum and Magnesium Alloys and Composites: Forming, Preparation, and Processing)

Round 1

Reviewer 1 Report

I have reviewed the article written by Yizhe Chen et Al. The work entitled Deformation and Fluid-Structure Interaction Analysis for Intervention Process of Coronary Vascular Stent presents a numerical approach of stent deformation using the finite element method and fluid-structure interaction. The aim of the study is to analyse stresses and to locate sensitive sections of stent. The final purpose of the paper is to be a complementary aid-support for clinical problematic deformities of coronary artery stents.

Major comments:

The bibliographical section is incomplete and has to be reviewed. Indeed, for instance, some relevant papers exploring this research field are not presented, such as :

Hemodynamics in Idealized Stented Coronary Arteries: Important Stent Design Considerations. Ann. Biomed. Eng. 2016, 44, 315–329, doi:10.1007/s10439-015- 1387-3.

Structural and Hemodynamic Analyses of Different Stent Structures in Curved and Stenotic Coronary Artery. Front. Bioeng. Biotechnol. 2019, 7, 366, doi:10.3389/fbioe.2019.00366.

Mechanical Response of Cardiovascular Stents under Vascular Dynamic Bending. Biomed. Eng. Online 2016, 15, 21, doi:10.1186/s12938-016-0135-8.

Fluid-Structure Interaction in Coronary Stents: A Discrete Multiphysics Approach. ChemEngineering 2021, 5, 60. https://doi.org/10.3390/ chemengineering5030060

A computational optimization study of a self-expandable transcatheter aortic valve,Computers in Biology and Medicine,Volume 139,2021,104942,ISSN 0010-4825,https://doi.org/10.1016/j.compbiomed.2021.104942.

 

Minor comments:

·         Blood is considered a Newtonian fluid but is not. A lot of numerical simulations take as if. It is important to quote a couple of them.

·         For a better understanding use either vessel walls or vascular walls, it is not obvious at first glance.

 

Author Response

Thank you for your amendment. Please refer to the attachment for details

Author Response File: Author Response.pdf

Reviewer 2 Report

PLEASE SEE THE ATTACHED ZIP FILE, WHICH CONTAINS 2 DOCUMENTS.

Comments for author File: Comments.zip

Author Response

Thank you for your amendment. Please refer to the attachment for details

Author Response File: Author Response.pdf

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