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Lee Hyunsoo
Kumoh National Institute of Technology
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Simulation Testing On Improved Design Of College Chair Using Finite Element Method (Fem) Puspita Kartika Wilis; Lee Hyunsoo
eProceedings of Engineering Vol 5, No 1 (2018): April 2018
Publisher : eProceedings of Engineering

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Abstract In the university life, study activity is a main part of the learning that aims to make students get more knowledge in the focused area of students’ interest. College chair is one kind of furniture that is designed for university student and in this research college chair that will be researched is improved from the existing college chair. In the product development process phase, there are testing and refinement stage. This stage is done after the product design have been generated. The sample also needed to facilitate the work and referred as prototype. Prototype is product approximation along one or more dimensions of interest. In a study entitled “Implementation of Quality Function Deployment Method in Design Improvement for College Chair”, the design has been done considering the desired needs of the users. The design has not been through the feasibility test includes strength and ability to withstand the load. To solve the problem, this study will use simulations that is performed using Finite Element Method (FEM) in SolidWorks. Having a researched and conducted a series of simulated observations using SolidWorks software, resulting that material used is good material and safe to be used for some part of the college chair. Keywords: Finite Element Method (FEM), simulation, chair
Computational Analysis Of The Effect V241F KCNQ1 Mutation On Cardiac Ventricular Mechanical Responses: Simulation Method. Fakhmi Adi Rasyidin; Lee Hyunsoo; Ki Moo Lim
eProceedings of Engineering Vol 5, No 1 (2018): April 2018
Publisher : eProceedings of Engineering

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Abstract Several studies have found genetic mutations, which affect characteristics of specific ion channels and cause cardiac arrhythmia such as atrial and ventricular fibrillation [1]. Study about understanding the genetic predisposition, modeling cardiac tissue to apply on simulation study, and how genetic mutation influence the Atrial and Ventricular Fibrillation challenge the researcher to solve it. To construct a computational model of a cardiovascular system, we used 3D finite element model of a failing human ventricle, combined with a lumped model of the circulatory system [12]. In a 3D cardiac tissue CAD electromechanical model, we analyze the propagation wave in 2 conditions, normal sinus rhythm and reentry. During normal sinus pacing, the electrical stimulation applied from Purkinje fibers tissue. In our research, we investigate the effect of V241F mutation in canine ventricular in failure state using the computational method. This is the first study to implement a finite element of an image based on the electromechanical model for the heart, to investigate cardiac electrophysiology and mechanics for V241F mutation. The mutation V241F effected the mechanical behavior according to electrical as an input. In a single cell, V241F with pure mutation shortened the ventricular APD around 67% and 33% for intermediate variant mutation. Keywords: Finite Element Model (FEM), Mechanical simulation, Cardiovascular
Co-Authors Fakhmi Adi Rasyidin Ki Moo Lim Puspita Kartika Wilis