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Artigos técnicos, pesquisas e reflexões

Designing a 2D Transformer Core: Post-processing with ParaView (Part 3)

Simulation
Electrical Machines
Tutorial
We have arrived at the final part of this design series! Throughout this process, we followed some straightforward steps using exclusively Graphical User Interfaces (GUI) to…
4 de mai. de 2026

Designing a 2D Transformer Core: Mastering the Sif file

Simulation
Electrical Machines
Tutorial
In our last series, we covered the step-by-step of how to model a simple EI core and simulate it using ElmerFEM. Due to the limitations of the ElmerGUI, we soon enough face…
4 de mai. de 2026

Designing a 2D Transformer Core: Steady-State Simulation in ElmerFEM (Part 2)

Simulation
Electrical Machines
Tutorial
In this second part of our series, we transition from geometry preparation in FreeCAD to the simulation environment of ElmerFEM. If you missed Part 1, you can catch up via…
1 de mai. de 2026

Designing a 2D Transformer Core: FreeCAD to ElmerFEM Integration (Part 1)

Simulation
Electrical Machines
Tutorial
For an electrical machine designer, Finite Element Analysis (FEA) is an indispensable tool. Although a draft project usually begins with a base analytical design…
29 de abr. de 2026

The Licensing Trap: Why is Your Company Still Paying for Inertia in 2025?

Embedded Systems
Review
Fig. 1 - Image generated by AI.
4 de jan. de 2026

Reinventing the Daisy Chain: Resilient Distributed Power with eFuses and Active OR-ing

Power Electronics
Electronics
Industrial Automation
Tutorial
Whether in automotive design, aerospace, or industrial environments, engineers face a common challenge: efficiently interconnecting hundreds of sensors, actuators, and…
28 de dez. de 2025

Semihosting: Advanced Debugging for Embedded Devices?

Embedded Systems
Tutorial
From time to time, I need to develop embedded systems. Each one has its own particularities. However, regardless of the architecture – ARM, RISC, or x86 – debugging is…
24 de dez. de 2025

Building a WireGuard Site-to-Site VPN with Docker: A CGNAT Workaround

Networking
Tutorial
I remember using my first VPN back in 2004. It was a standard feature, and using PPTP was really straightforward: define a user and password, and that was it! You could…
20 de dez. de 2025
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