All Posts - Johan Blog

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Good , 120 posts in total , Keep on posting.╰(*°▽°*)╯

2026

01/21

The Mathematics of Musical Harmony: Deriving the 12-Tone Equal Temperament

01/15

Similitude Analysis and Scaling Laws in Elastic Waves and Acoustic Metamaterials

01/12

STEM: Open-Source Railway Vibration Prediction Tool

2025

12/28

How to File a Rental Car Insurance Claim: A Complete Guide

12/15

Flow Around a Cylinder: A CFD Benchmark Comparison of COMSOL, Fluent, and OpenFOAM

12/12

Focused Ultrasound Heating: Multi-physics Simulation

12/10

Simulating Smart Temperature Control in Electric Kettles with COMSOL: A Multiphysics Modeling Guide

12/01

Thermal Management of LED Light Fixtures in COMSOL Multiphysics

11/02

The Invisible "Stethoscope": A Deep Dive into Laser Doppler Vibrometer (LDV)

10/06

The Lorenz Attractor: Exploring Chaos with Numerical Simulations