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Achievements

Achievement: StarstruckAchievement: Pair Extraordinairex3Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

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@comphy-lab

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VatsalSy/README.md

Vatsal Sanjay

Soft Matter Physicist | Computational Fluid Dynamics | Assistant Professor

CoMPhy Lab



Google Scholar ResearchGate ORCID LinkedIn X (Twitter) BlueSky Email Website

👋 About Me

I am a soft matter physicist at Durham University, where I lead the Computational Multiphase Physics (CoMPhy) Lab.

Our research focuses on non-Newtonian free-surface flows and soft matter singularities—fluid phenomena (like drops, bubbles, jets, and sheets) where interfaces undergo rapid, dramatic changes. Using high-fidelity simulations, theoretical modeling, and collaborative experiments, we investigate events such as:

  • 💧 Droplet impacts and coalescence
  • 🫧 Bubble bursting dynamics
  • 🌊 Jet formation and breakup
  • 📄 Liquid sheet fragmentation

We use complex (non-Newtonian) fluids as model systems to explore how microstructural stresses influence continuum-scale dynamics, connecting fundamental insights to real-world applications across industry and nature.

🔬 Research Interests

Multiphase Flows Non-Newtonian Fluids Soft Matter Computational Physics Fluid Dynamics

💻 Technical Skills

Languages & Tools

C Python Fortran LaTeX Basilisk Git

Specializations

CFD Direct Numerical Simulations High Performance Computing Scientific Visualization

🚀 Featured Projects

VE-DropImpact-ContactLine

Axisymmetric viscoelastic/elastic drop impact on a substrate with a time-switched contact line (Basilisk C) • C

CoMPhy Lab Codes

Open-source computational tools for multiphase flow simulations and analysis.

🤝 Let's Collaborate!

We are committed to open science and welcome interdisciplinary collaborations. If you're interested in:

  • 🔬 Collaborative research projects
  • 👨‍🎓 PhD/Postdoc opportunities
  • 💡 Discussing fluid physics
  • 🛠️ Using our computational tools

Contact me - Nothing is more exhilarating than a healthy scientific discussion!

⚡ Recent Activity

  1. ℹ️ Assigned PR #103 in comphy-lab/comphy-lab.github.io
  2. 💪 Opened PR #103 in comphy-lab/comphy-lab.github.io
  3. 🎉 Merged PR #11 in VatsalSy/Vatsal_CV
  4. 🎉 Merged PR #102 in comphy-lab/comphy-lab.github.io
  5. ℹ️ Assigned PR #11 in VatsalSy/Vatsal_CV
📊 GitHub Stats

My Total Overall Commits: 7258

I'm an Early 🐤

🌞 Morning                1618 commits        ██████░░░░░░░░░░░░░░░░░░░   22.29 % 
🌆 Daytime                2417 commits        ████████░░░░░░░░░░░░░░░░░   33.30 % 
🌃 Evening                2358 commits        ████████░░░░░░░░░░░░░░░░░   32.49 % 
🌙 Night                  865 commits         ███░░░░░░░░░░░░░░░░░░░░░░   11.92 %

📅 I'm Most Productive on Saturday

Monday                   1078 commits        ████░░░░░░░░░░░░░░░░░░░░░   14.85 % 
Tuesday                  1103 commits        ████░░░░░░░░░░░░░░░░░░░░░   15.20 % 
Wednesday                818 commits         ███░░░░░░░░░░░░░░░░░░░░░░   11.27 % 
Thursday                 746 commits         ███░░░░░░░░░░░░░░░░░░░░░░   10.28 % 
Friday                   938 commits         ███░░░░░░░░░░░░░░░░░░░░░░   12.92 % 
Saturday                 1317 commits        █████░░░░░░░░░░░░░░░░░░░░   18.15 % 
Sunday                   1258 commits        ████░░░░░░░░░░░░░░░░░░░░░   17.33 %
💻 Coding Activity

This Week I Spent My Time On

💬 Programming Languages
Markdown                 24 hrs 58 mins      ████████████████░░░░░░░░░   62.27 % 
C                        4 hrs 10 mins       ███░░░░░░░░░░░░░░░░░░░░░░   10.43 % 
LaTeX                    3 hrs 6 mins        ██░░░░░░░░░░░░░░░░░░░░░░░   07.74 % 
Python                   2 hrs 36 mins       ██░░░░░░░░░░░░░░░░░░░░░░░   06.49 % 
Bash                     2 hrs 6 mins        █░░░░░░░░░░░░░░░░░░░░░░░░   05.24 % 

🔥 Editors
VS Code                  18 hrs 11 mins      ████████░░░░░░░░░░░░░░░░░   31.25 % 
Claude Code              17 hrs 9 mins       ███████░░░░░░░░░░░░░░░░░░   29.46 % 
Ghostty                  11 hrs 32 mins      █████░░░░░░░░░░░░░░░░░░░░   19.82 % 
Slack                    2 hrs 59 mins       █░░░░░░░░░░░░░░░░░░░░░░░░   05.13 % 
Neovim                   2 hrs 16 mins       █░░░░░░░░░░░░░░░░░░░░░░░░   03.92 % 

🐱‍💻 Projects
cowork-os                31 hrs 29 mins      ██████████████░░░░░░░░░░░   54.11 % 
Writing                  5 hrs 18 mins       ██░░░░░░░░░░░░░░░░░░░░░░░   09.10 % 
running codes            3 hrs 7 mins        █░░░░░░░░░░░░░░░░░░░░░░░░   05.37 % 
vp-mountains             3 hrs 3 mins        █░░░░░░░░░░░░░░░░░░░░░░░░   05.26 % 
Swimming_v2              1 hr 54 mins        █░░░░░░░░░░░░░░░░░░░░░░░░   03.27 % 

💻 Operating System
Mac                      58 hrs 6 mins       █████████████████████████   99.81 % 
Linux                    6 mins              ░░░░░░░░░░░░░░░░░░░░░░░░░   00.19 %

📈 Contribution Graph

Vatsal's GitHub stats
🏆 GitHub Achievements

I rolled before Covid-19: Survivor of the Great TP Shortage I joined GitHub 5 years ago. I am a polite coder. I contributed to My Badges! I've starred 49 my own repositories. I merged a PR with failing checks I have participated in pull requests with 5 or more people I found the answer to the ultimate question of life, the universe, and everything! I closed an issue that was open for a year I joined GitHub 10 years ago. I have five or more public keys One of my commit sha starts with "a". One of my commit sha starts with "ab". One of my commit sha starts with "abc". I committed on the day when the crew of the USCSS Nostromo made their fateful landing and discovered the Xenomorph on LV-426! I did a little housekeeping! 🧹 I made cosmetic commit. I committed on the day Doctor Emmett Brown invented the flux capacitor! I made an epic commit with a message over 500 chars. My favorite word is "add". I did 2 sequential fixes. I did 3 sequential fixes. I did 4 sequential fixes. I did 6 sequential fixes. I committed on Friday the 13th, One… By One… When I delete code, I delete a lot. When I delete code, I delete a lot. May the 4th be with you! Happy March 14th! I committed on a Pi Day! Happy Programmers Day! I committed on a 256 Day of Year! I committed on Isaac Asimov's birthday / National Science Fiction Day! I committed on the Halloween! Boo! I committed on St. Patrick's Day! I collected 100 stars. I am a sleepy coder. I commit in the morning. I commit in the evening. I commit at midnight.

😂 Random Dev Joke

Jokes Card

Pinned Loading

  1. Vatsal_CV Vatsal_CV Public

    This is the LaTeX source code of my CV

    TeX 11 2

  2. Bursting-Bubble-In-a-Viscoplastic-Medium Bursting-Bubble-In-a-Viscoplastic-Medium Public

    This repository contains the codes used for simulating the cases discussed in the manuscript: Bursting bubble in a viscoplastic medium

    C 8 3

  3. Impact-forces-of-water-drops-falling-on-superhydrophobic-surfaces Impact-forces-of-water-drops-falling-on-superhydrophobic-surfaces Public

    This repository contains the codes used for simulating the cases discussed in the manuscript: Impact forces of water drops on superhydrophobic surfaces. The results presented here are currently und…

    C 11 1

  4. Taylor-Culick-retractions Taylor-Culick-retractions Public

    This repository is under construction and will contain all the codes for reproducibility of the results in the paper: Taylor-Culick retraction at a liquid-air interface by Sanjay et al. (2021)

    C 4 1

  5. Vatsal-Thesis Vatsal-Thesis Public

    This is the LaTeX source code for my PhD thesis available here: https://doi.org/10.3990/1.9789036554077

    TeX 2

  6. comphy-lab/Drop-Impact comphy-lab/Drop-Impact Public

    Shell 1