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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Ashwani Kumar | Computational Engineering Researcher</title>
<meta name="description"
content="Portfolio of Ashwani Kumar, a Computational Engineer specializing in Multiphysics simulations, Machine Learning, and Material Modeling at ETH Zürich.">
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website">
<meta property="og:url" content="https://ashwakumar.github.io/">
<meta property="og:title" content="Ashwani Kumar | Computational Engineering Researcher">
<meta property="og:description"
content="Portfolio of Ashwani Kumar, specializing in Multiphysics simulations, Machine Learning, and Material Modeling at ETH Zürich.">
<meta property="og:image" content="https://ashwakumar.github.io/assets/images/my_pic.jpg">
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image">
<meta property="twitter:url" content="https://ashwakumar.github.io/">
<meta property="twitter:title" content="Ashwani Kumar | Computational Engineering Researcher">
<meta property="twitter:description"
content="Portfolio of Ashwani Kumar, specializing in Multiphysics simulations, Machine Learning, and Material Modeling at ETH Zürich.">
<meta property="twitter:image" content="https://ashwakumar.github.io/assets/images/my_pic.jpg">
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<link rel="shortcut icon" href="./assets/images/logo-ak.png" type="image/png">
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<link rel="stylesheet" href="./assets/css/style.css">
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap" rel="stylesheet">
</head>
<body>
<canvas id="bg-canvas"></canvas>
<!--
- #MAIN
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<main>
<!--
- #SIDEBAR
-->
<aside class="sidebar" data-sidebar>
<div class="sidebar-info">
<figure class="avatar-box">
<img src="./assets/images/my_pic.jpg" alt="Ashwani Kumar" width="80">
</figure>
<div class="info-content">
<h1 class="name" title="Ashwani Kumar">Ashwani Kumar</h1>
<p class="title">Computational Engineer</p>
</div>
<button class="info_more-btn" data-sidebar-btn>
<span>Show Contacts</span>
<ion-icon name="chevron-down"></ion-icon>
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<div class="separator"></div>
<ul class="contacts-list">
<li class="contact-item">
<div class="icon-box">
<ion-icon name="logo-linkedin"></ion-icon>
</div>
<div class="contact-info">
<p class="contact-title">LinkedIn</p>
<a href="https://www.linkedin.com/in/ashwanikumareth" class="contact-link">ashwanikumareth</a>
</div>
</li>
<li class="contact-item">
<div class="icon-box">
<ion-icon name="logo-github"></ion-icon>
</div>
<div class="contact-info">
<p class="contact-title">GitHub</p>
<a href="https://github.com/ashwakumar" class="contact-link">ashwakumar</a>
</div>
</li>
<li class="contact-item">
<div class="icon-box">
<ion-icon name="school-outline"></ion-icon>
</div>
<div class="contact-info">
<p class="contact-title">Google Scholar</p>
<a href="https://scholar.google.com/[email protected]"
class="contact-link">ashwanikjangir</a>
</div>
</li>
<li class="contact-item">
<div class="icon-box">
<ion-icon name="mail-outline"></ion-icon>
</div>
<div class="contact-info">
<p class="contact-title">Email</p>
<a href="mailto:[email protected]" class="contact-link">[email protected]</a>
</div>
</li>
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<div class="icon-box">
<ion-icon name="phone-portrait-outline"></ion-icon>
</div>
<div class="contact-info">
<p class="contact-title">Phone</p>
<a href="tel:+41 782303498" class="contact-link">+41 782303498</a>
</div>
</li>
<li class="contact-item">
<div class="icon-box">
<ion-icon name="location-outline"></ion-icon>
</div>
<div class="contact-info">
<p class="contact-title">Location</p>
<address>Zürich, Switzerland</address>
</div>
</li>
</ul>
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<button class="navbar-link" data-nav-link>About</button>
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<button class="navbar-link" data-nav-link>Portfolio</button>
</li>
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<button class="navbar-link" data-nav-link>Contact</button>
</li>
</ul>
</nav>
<!--
- #ABOUT
-->
<article class="about" data-page="about">
<header>
<h2 class="h2 article-title">About me</h2>
</header>
<section class="about-text">
<!-- Quick Highlights Bar -->
<ul class="about-highlights">
<li class="about-highlight-item">
<div class="highlight-icon-box">
<ion-icon name="school-outline"></ion-icon>
</div>
<div class="highlight-content">
<h5 class="h5">PhD Researcher</h5>
<p>ETH Zürich</p>
</div>
</li>
<li class="about-highlight-item">
<div class="highlight-icon-box">
<ion-icon name="briefcase-outline"></ion-icon>
</div>
<div class="highlight-content">
<h5 class="h5">8+ Years Exp.</h5>
<p>R&D & Academia</p>
</div>
</li>
<li class="about-highlight-item">
<div class="highlight-icon-box">
<ion-icon name="bicycle-outline"></ion-icon>
</div>
<div class="highlight-content">
<h5 class="h5">Automotive</h5>
<p>Engineering Expert</p>
</div>
</li>
</ul>
<p>As a <span class="highlight-text">computational engineering researcher</span>, I specialize in solving
complex multiphysics problems through multiscale modeling. Currently completing my Doctorate at <span
class="highlight-text">ETH Zürich</span>, I focus on advanced simulation techniques for multiphysics
processes. My approach uniquely combines classical Finite Element Methods with modern <span
class="highlight-text">Machine Learning</span> algorithms to bridge the gap between microscale material
science and macroscale engineering applications.</p>
<p>My professional journey spans both academia and the <span class="highlight-text">automotive
industry</span>. From developing numerical models for heterogeneous materials to leading structural
analysis projects for mass-production vehicles, I bring technical depth backed by practical problem-solving
skills. I am passionate about applying computational tools to innovate in <span
class="highlight-text">manufacturing</span>, materials science, and product design.</p>
<p>Outside of research, I enjoy hiking the Swiss Alps and playing badminton. Exploring Switzerland’s
landscapes helps me recharge, while sports teach me the value of agility and focus.</p>
</section>
<!--
- service
-->
<section class="service">
<h3 class="h3 service-title">Research Focus</h3>
<ul class="service-list">
<li class="service-item">
<div class="service-icon-box">
<img src="./assets/images/focus_multiphysics.png" alt="Multiphysics Modeling">
</div>
<div class="service-content-box">
<h4 class="h4 service-item-title">Multiphysics Modeling</h4>
<p class="service-item-text">
Developing fully coupled electro-thermo-mechanical frameworks to simulate processes.
</p>
</div>
</li>
<li class="service-item">
<div class="service-icon-box">
<img src="./assets/images/focus_multiscale.png" alt="Multiscale Modeling">
</div>
<div class="service-content-box">
<h4 class="h4 service-item-title">Multiscale Modeling</h4>
<p class="service-item-text">
Bridging microscale mechanics with macroscale component behavior.
</p>
</div>
</li>
<li class="service-item">
<div class="service-icon-box">
<img src="./assets/images/focus_surrogate.png" alt="Surrogate Modeling">
</div>
<div class="service-content-box">
<h4 class="h4 service-item-title">Surrogate Modeling for FEM</h4>
<p class="service-item-text">
Implementing AI/ML-driven surrogate models to accelerate finite element simulations.
</p>
</div>
</li>
<li class="service-item">
<div class="service-icon-box">
<img src="./assets/images/focus_comp_eng.png" alt="Computational Engineering">
</div>
<div class="service-content-box">
<h4 class="h4 service-item-title">Computational Engineering</h4>
<p class="service-item-text">
Advanced structural analysis, fracture mechanics, and optimization using HPCs.
</p>
</div>
</li>
</ul>
</section>
<section class="tech-stack">
<h3 class="h3 service-title">Tech Stack</h3>
<div class="tech-category-wrapper">
<!-- Group 1: Simulation & Modeling (Blue/Cyan) -->
<div class="tech-category-group">
<h4 class="h4 skill-category-title" style="color: #38bdf8;">
<ion-icon name="calculator-outline"></ion-icon>
Simulation & Modeling
</h4>
<div class="tech-stack-grid">
<div class="tech-item tech-item-blue" title="Abaqus">
<div class="tech-icon-box">
<img src="./assets/images/tech/abaqus.png" alt="Abaqus" loading="lazy">
</div>
<span class="tech-name">Abaqus</span>
</div>
<div class="tech-item tech-item-blue" title="Ansys">
<div class="tech-icon-box">
<img src="./assets/images/tech/Ansys_logo.svg" alt="Ansys" loading="lazy">
</div>
<span class="tech-name">Ansys</span>
</div>
<div class="tech-item tech-item-blue" title="COMSOL">
<div class="tech-icon-box">
<img src="./assets/images/tech/comsol.png" alt="COMSOL" loading="lazy">
</div>
<span class="tech-name">COMSOL</span>
</div>
<div class="tech-item tech-item-blue" title="FEniCS">
<div class="tech-icon-box">
<img src="./assets/images/tech/fenics_logo.svg" alt="FEniCS" loading="lazy">
</div>
<span class="tech-name">FEniCS</span>
</div>
</div>
</div>
<!-- Group 2: Programming & Web (Orange/Yellow) -->
<div class="tech-category-group">
<h4 class="h4 skill-category-title" style="color: #ffb703;">
<ion-icon name="code-slash-outline"></ion-icon>
Programming
</h4>
<div class="tech-stack-grid">
<div class="tech-item tech-item-orange" title="Python">
<div class="tech-icon-box">
<img src="./assets/images/tech/python.svg" alt="Python" loading="lazy">
</div>
<span class="tech-name">Python</span>
</div>
<div class="tech-item tech-item-purple" title="C++">
<div class="tech-icon-box">
<img src="./assets/images/tech/cplusplus.svg" alt="C++" loading="lazy">
</div>
<span class="tech-name">C++</span>
</div>
<div class="tech-item tech-item-orange" title="MATLAB">
<div class="tech-icon-box">
<img src="./assets/images/tech/matlab.svg" alt="MATLAB" loading="lazy">
</div>
<span class="tech-name">MATLAB</span>
</div>
<div class="tech-item tech-item-orange" title="Java">
<div class="tech-icon-box">
<img src="./assets/images/tech/java.webp" alt="JavaScript" loading="lazy">
</div>
<span class="tech-name">Java</span>
</div>
</div>
</div>
<!-- Group 3: Engineering & Visualization (Green) -->
<div class="tech-category-group">
<h4 class="h4 skill-category-title" style="color: #4ade80;">
<ion-icon name="construct-outline"></ion-icon>
Engineering & Visualization
</h4>
<div class="tech-stack-grid">
<div class="tech-item tech-item-green" title="SolidWorks">
<div class="tech-icon-box">
<img src="./assets/images/tech/SolidWorks_Logo.svg" alt="SolidWorks" loading="lazy">
</div>
<span class="tech-name">SolidWorks</span>
</div>
<div class="tech-item tech-item-green" title="CATIA">
<div class="tech-icon-box">
<img src="./assets/images/tech/CATIA_logo.png" alt="CATIA" loading="lazy">
</div>
<span class="tech-name">CATIA</span>
</div>
<div class="tech-item tech-item-green" title="Paraview">
<div class="tech-icon-box">
<img src="./assets/images/tech/paraview.png" alt="Paraview" loading="lazy">
</div>
<span class="tech-name">Paraview</span>
</div>
<div class="tech-item tech-item-green" title="AutoCAD">
<div class="tech-icon-box">
<img src="./assets/images/tech/Autocad.png" alt="AutoCAD" loading="lazy">
</div>
<span class="tech-name">AutoCAD</span>
</div>
</div>
</div>
<!-- Group 4: Dev Tools & Platforms (Purple) -->
<div class="tech-category-group">
<h4 class="h4 skill-category-title" style="color: #c084fc;">
<ion-icon name="laptop-outline"></ion-icon>
Dev Tools & Platforms
</h4>
<div class="tech-stack-grid">
<div class="tech-item tech-item-purple" title="Git">
<div class="tech-icon-box">
<img src="./assets/images/tech/git.svg" alt="Git" loading="lazy">
</div>
<span class="tech-name">Git</span>
</div>
<div class="tech-item tech-item-purple" title="Docker">
<div class="tech-icon-box">
<img src="./assets/images/tech/docker.svg" alt="Docker" loading="lazy">
</div>
<span class="tech-name">Docker</span>
</div>
<div class="tech-item tech-item-purple" title="Linux">
<div class="tech-icon-box">
<img src="./assets/images/tech/linux.svg" alt="Linux" loading="lazy">
</div>
<span class="tech-name">Linux</span>
</div>
<div class="tech-item tech-item-purple" title="HPC">
<div class="tech-icon-box">
<img src="./assets/images/tech/hpc.jpg" alt="HPC" loading="lazy">
</div>
<span class="tech-name">HPC</span>
</div>
</div>
</div>
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<h2 class="h2 article-title">Resume</h2>
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<section class="timeline">
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<h3 class="h3">Education</h3>
</div>
<ol class="timeline-list">
<li class="timeline-item">
<div class="timeline-header">
<h4 class="h4 timeline-item-title">Doctor of Science in Mechanical Engineering</h4>
<span class="timeline-date">2021 — present</span>
</div>
<span>ETH Zürich, Switzerland</span>
<p class="timeline-text">
Thesis: Numerical modeling of spark plasma sintering process.
</p>
</li>
<li class="timeline-item">
<div class="timeline-header">
<h4 class="h4 timeline-item-title">Master of Science in Computational Engineering</h4>
<span class="timeline-date">2018 — 2021</span>
</div>
<span>Ruhr University Bochum, Germany</span>
<p class="timeline-text">
Thesis: Computational Modeling of crack propagation in 3D using strain injection technique.
</p>
</li>
<li class="timeline-item">
<div class="timeline-header">
<h4 class="h4 timeline-item-title">Bachelor of Technology (B.Tech.) in Mechanical Engineering</h4>
<span class="timeline-date">2010 — 2014</span>
</div>
<span>National Institute of Technology, Jalandhar, India</span>
<p class="timeline-text">
Thesis: Experimental evaluation of damping behavior of fly ash filled fiber reinforced polymer
composites.
</p>
</li>
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</section>
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<h3 class="h3">Professional Experience</h3>
</div>
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<li class="timeline-item">
<div class="timeline-header">
<h4 class="h4 timeline-item-title">Research Scientist - Advanced Manufacturing Lab</h4>
<span class="timeline-date">2021 — Present</span>
</div>
<span>ETH Zürich, Switzerland</span>
<ul class="tech-list">
<li>Developed & validated nonlinear thermo-mechanical FEM models of high-temperature process, improving
prediction accuracy.</li>
<li>Built direct FE2 multiphysics frameworks linking micro- and macroscale behavior, enabling predictive
modeling of complex material systems.</li>
<li>Developed Python-based ML pipelines for surrogate model training, integrating with FEM solvers for
efficient large-scale simulations.</li>
<li>Implemented Python algorithms to automate meshing, dataset generation, and CAE pipeline integration,
streamlining simulation workflows for scalability.</li>
<li>Published in high-impact journals and presented at international conferences.</li>
</ul>
</li>
<li class="timeline-item">
<div class="timeline-header">
<h4 class="h4 timeline-item-title">Research Assistant (HiWi) - Chair of Statics and Dynamics</h4>
<span class="timeline-date">2019 — 2021</span>
</div>
<span>Ruhr University Bochum, Germany</span>
<ul class="tech-list">
<li>Optimized placement of Dog-Bone button for shoulder surgery using FEM, improving prediction of
surgical outcomes.</li>
<li>Developed homogenization-based bone material models, incorporating tissue- and collagen-level
characteristics.</li>
<li>Enhanced FEM solver (FEAPpv) by integrating parallel numerical libraries (PARDISO and MKL),
improving stability and scalability.</li>
<li>Assisted in developing FEM-based diffusion models to simulate fluid flow in fractured rock systems.
</li>
<li>Collaborated with medical and geological research teams on interdisciplinary projects.</li>
</ul>
</li>
<li class="timeline-item">
<div class="timeline-header">
<h4 class="h4 timeline-item-title">Deputy Manager - Chassis Simulation & Analysis</h4>
<span class="timeline-date">2014 — 2018</span>
</div>
<span>Hero MotoCorp Ltd, India</span>
<ul class="tech-list">
<li>Executed structural testing & analysis for new vehicle products, performing data acquisition using
strain gauges, accelerometers, and LVDTs.</li>
<li>Designed correlation experiments to validate FEM predictions, improving model accuracy and design
confidence.</li>
<li>Executed vibration, fatigue and modal analyses with Siemens LMS and HBM systems, guiding design
improvements under tight timelines.</li>
<li>Conducted durability studies by correlating proving-ground loads with lab simulators, optimizing
testing protocols for efficiency.</li>
<li>Automated data acquisition and reporting workflows, increasing test coverage and verification speed.
</li>
<li>Led a cross-functional team of upto 6 technicians and riders, translating test outcomes into
market-ready design improvements.</li>
</ul>
</li>
</ol>
</section>
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<h3 class="h3">Skills</h3>
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<!-- Card 1: Simulation & Modeling -->
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<h4 class="h4 skill-card-title" style="color: #ef4444;">
<ion-icon name="calculator-outline"></ion-icon> Simulation & Modeling
</h4>
<div class="skill-tags">
<span class="skill-tag">ANSYS</span>
<span class="skill-tag">COMSOL</span>
<span class="skill-tag">Abaqus</span>
<span class="skill-tag">FEniCS</span>
<span class="skill-tag">Kratos</span>
<span class="skill-tag">SolidWorks</span>
<span class="skill-tag">CATIA</span>
<span class="skill-tag">AutoCAD</span>
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<h4 class="h4 skill-card-title" style="color: #38bdf8;">
<ion-icon name="code-slash-outline"></ion-icon> Programming & Libraries
</h4>
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<span class="skill-tag">Python</span>
<span class="skill-tag">C++</span>
<span class="skill-tag">Java</span>
<span class="skill-tag">Fortran</span>
<span class="skill-tag">PyTorch</span>
</div>
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<!-- Card 3: Libraries & Frameworks -->
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<h4 class="h4 skill-card-title" style="color: #22c55e;">
<ion-icon name="library-outline"></ion-icon> Computing & Development :
</h4>
<div class="skill-tags">
<span class="skill-tag">HPC cluster (ETH)</span>
<span class="skill-tag">OpenMP</span>
<span class="skill-tag">MPI</span>
<span class="skill-tag">Docker</span>
<span class="skill-tag">AWS</span>
<span class="skill-tag">Git</span>
</div>
</div>
<!-- Card 4: Engineering Tools -->
<div class="skill-card">
<h4 class="h4 skill-card-title" style="color: #eab308;">
<ion-icon name="construct-outline"></ion-icon> Data Acquisition & Analysis:
</h4>
<div class="skill-tags">
<span class="skill-tag">LMS TestLab</span>
<span class="skill-tag">Matlab</span>
<span class="skill-tag">nCode DesignLife</span>
</div>
</div>
<!-- Card 5: Languages -->
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<h4 class="h4 skill-card-title" style="color: #fca5a5;">
<ion-icon name="language-outline"></ion-icon> Languages
</h4>
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<span class="skill-tag">English (C2)</span>
<span class="skill-tag">German (B1)</span>
<span class="skill-tag">Hindi (Native)</span>
<span class="skill-tag">Rajasthani (Native)</span>
</div>
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<h4 class="h4 skill-card-title" style="color: #d946ef;">
<ion-icon name="git-network-outline"></ion-icon> Technical Skills:
</h4>
<div class="skill-tags">
<span class="skill-tag">FEA</span>
<span class="skill-tag">ML/AI</span>
<span class="skill-tag">Fatigue</span>
<span class="skill-tag">Vibration</span>
<span class="skill-tag">Scientific Computing</span>
<span class="skill-tag">Surrogate Modeling</span>
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<h3 class="h3">Awards & Accomplishments</h3>
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<li class="timeline-item">
<p class="timeline-text">
<strong><span>Deutschlandstipendium, 2019</span></strong> Awarded for excellence as an international
student at Ruhr University Bochum
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong><span>Achiever Award, 2017–18</span></strong> Recognized for exemplary performance at Hero
MotoCorp Ltd
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong><span>Gold Medal (Roll of Honour), 2014</span></strong> First rank in B.Tech. Mechanical
Engineering, NIT Jalandhar
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<h3 class="h3">Certifications</h3>
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<li class="timeline-item">
<p class="timeline-text">
<strong>Training on 2D Data Acquisition Hardware & Software</strong> (2016)
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong>Training on Vibration Analysis</strong> (2015)
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong>Training on nCode Glyphwork</strong> (2015)
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong>Training on Experimental Stress Analysis</strong> (2015)
</p>
</li>
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<h3 class="h3">Publications</h3>
</div>
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<li class="timeline-item">
<p class="timeline-text">
<strong>Enhancing multiscale simulations for spark plasma sintering with a novel Direct FE²
framework</strong><br>
<em>Journal of Manufacturing Processes</em>, 2025
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong>A two-stage approach for material parameters identification in spark plasma
sintering</strong><br>
<em>Mechanics of Materials / Elsevier</em>, 2024
</p>
</li>
<li class="timeline-item">
<p class="timeline-text">
<strong>Bone tunnel placement influences shear stresses at the coracoid process after coracoclavicular
ligament reconstruction: a finite element study and radiological analysis</strong><br>
<em>Archives of Orthopaedic and Trauma Surgery / Springer</em>, 2023
</p>
</li>
</ol>
</section>
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<h2 class="h2 article-title">Portfolio</h2>
</header>
<section class="projects">
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<li class="project-item active" data-filter-item data-category="Multiscale">
<a href="multiscale_sps.html" class="project-link">
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<img src="./assets/images/multiscale_sps.png" alt="Multiscale SPS Simulation" loading="lazy">
</figure>
<div class="project-content">
<h3 class="project-title">Multiscale Modeling of SPS with Direct FE2 Framework</h3>
<ul class="project-tech-list">
<li>Multiscale Modeling</li>
<li>Abaqus</li>
<li>Python</li>
</ul>
<p class="project-description">
Developed a novel Direct FE2 framework that integrates microscale powder characteristics with
macroscale electro-thermal-mechanical effects, improving both accuracy and computational efficiency
for SPS simulations.
</p>
</div>
</a>
</li>
<li class="project-item active" data-filter-item data-category="Multiphysics">
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<img src="./assets/images/multimaterial_sps.png" alt="Multi-Material SPS Interface" loading="lazy">
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<div class="project-content">
<h3 class="project-title">Multi-Material Spark Plasma Sintering Modeling</h3>
<ul class="project-tech-list">
<li>Multiphysics</li>
<li>COMSOL</li>
<li>FEM</li>
<li>Experimental Validation</li>
</ul>
<p class="project-description">
Developed a validated fully coupled electro-thermo-mechanical framework for multi-material SPS,
predicting interface behavior and final geometry with high accuracy.