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  • Aachen

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bypire/README.md

Muhammet Emir Fil

Computational Engineering Science (B.Sc.), RWTH Aachen.

I build physics simulations and check the results against something I can trust: an analytical solution, a published benchmark, or real measured data. Mostly Python (NumPy and SciPy), with interactive demos in plain JavaScript. I am currently looking for a HiWi (student research assistant) position at a computational chair.

Portfolio: https://bypire.github.io  ·  Email: muhammetemirfil@gmail.com

Projects

Bridge Weigh-in-Motion. Recovering a truck's axle weights from the bending response of a bridge, as a regularised Bayesian inverse problem. Tikhonov regularisation with an L-curve for the ill-posed tandem-axle case, and a credible interval calibrated from the model error. Verified against the Frýba closed-form solution and validated against sixteen months of real KW51 measurements. Live demo · Report · Code

Optimal Racing Line. The minimum-lap-time racing line computed as an optimal-control problem: arc-length direct collocation with hand-derived analytic Jacobians, solved as a nonlinear program. Verified against the closed-form skidpad lap time; 8.1 percent faster than the geometric centreline. Live demo · Report · Code

2D Navier-Stokes solver. A 2D incompressible Navier-Stokes solver written from scratch (staggered grid, projection method, immersed cylinder), verified against the Ghia lid-driven-cavity benchmark, then inverted into a vortex flow-meter that reads flow speed from the wake frequency. Live demo · Report · Code

Multiphysics Hub. A car driven in real time in the browser, coupling a four-wheel vehicle model, a 2D fluid, and a deflecting bridge. Each model is verified in Python and cross-checked against its JavaScript port. Live demo · Report · Code

Tools

Python (NumPy, SciPy, Matplotlib), JavaScript, Git, LaTeX. Methods: finite-element methods, time integration, optimal control and direct collocation, inverse problems and regularisation, Bayesian uncertainty, CFD.

Popular repositories Loading

  1. multiphysics-hub multiphysics-hub Public

    Real-time browser demo: one car ties three verified-from-scratch physics -- vehicle dynamics, 2D aero, and a sagging bridge. Verify in Python, demo in JS.

    JavaScript 1

  2. bypire bypire Public

    1

  3. vbi-bridge-sim vbi-bridge-sim Public

    2D vehicle-bridge interaction + Bridge Weigh-in-Motion: a verified, validated, regularized Bayesian inverse solver. numpy-only core + vanilla-JS viewer. Features BridgeBeat, a real-data (KW51) brid…

    Python

  4. bridgebeat bridgebeat Public

    Weigh a moving truck, diagnose damage, and watch a real bridge get repaired — from vibration alone. Live B-WIM + drive-by SHM demo.

    HTML

  5. optimal-racing-line optimal-racing-line Public

    Minimum-lap-time racing line via optimal control: arc-length OCP -> direct collocation NLP with analytic Jacobians (numpy/scipy). Verified vs closed-form skidpad + mesh convergence.

    Python

  6. vortex-street-cfd vortex-street-cfd Public

    Incompressible Navier-Stokes (staggered MAC + Chorin projection, DCT Poisson) -> von Karman vortex street -> VIV + a vortex flow-meter inverse. Verified vs Ghia 1982 + Williamson. numpy.

    Python