Introduction Laser pulse simulations are essential for understanding ultrafast optical interactions, nonlinear effects, and photonic device performance. In finite element analysis (FEA) and finite-difference time-domain (FDTD) simulations, setting up a laser pulse involves defining temporal and spatial characteristics of the pulse, ensuring correct boundary conditions, and incorporating the interaction with the material properties. This article […]
Introduction Semiconductor simulation represents a fundamental shift in how electronic devices are conceived, designed, and validated. As devices shrink to nanometer scales and integrate multifaceted physical phenomena, the use of software like COMSOL Multiphysics—specifically its Semiconductor Module—has become indispensable. Semiconductor simulation entails the numerical solution of complex physical equations to predict how devices will behave […]
Mastering Chemical Reaction FEA Simulation: Pro Tips, Practical Insights & Real-World Wins : Chemical reactions are everywhere — inside your smartphone battery, in the pipelines under cities, and even in the air you breathe. But understanding how they unfold inside complex systems? That’s where things get tricky. Enter Finite Element Analysis (FEA) — the behind-the-scenes […]
Thermal Drift in On-Chip: Photonic crystal sensors (PCS) have gained significant traction in lab-on-a-chip technologies due to their high sensitivity and compact nature. However, one of the fundamental challenges in their deployment is thermal drift, a phenomenon where temperature fluctuations cause changes in the optical properties of the sensor, leading to measurement inaccuracies. This article […]
Electromagnetism is one of the four fundamental forces of nature, integral to both theoretical physics and everyday engineering. From the generation of electricity to the transmission of data through fiber optics and wireless networks, electromagnetic principles are at the core of nearly every modern technological system. This article provides a concise yet comprehensive overview of […]
Supercapacitors, also known as electrochemical capacitors or ultracapacitors, have gained significant attention due to their ability to store and deliver energy at high power densities. They bridge the gap between conventional capacitors and batteries, offering rapid charge/discharge cycles with long operational lifetimes. To understand and optimize supercapacitors, numerical simulation is crucial. COMSOL Multiphysics provides a […]
Optical simulations play a crucial role in designing photonic devices, waveguides, laser systems, and other light-based technologies. Whether you’re developing a photonic crystal biosensor or optimizing a fiber optic communication system, simulations allow you to predict how light interacts with materials—before committing to expensive prototyping. One of the most powerful tools for optical simulations is […]
COMSOL Multiphysics® version 6.3 introduces significant enhancements to its geometry handling capabilities, streamlining the modeling process for both academic researchers and industry professionals. These updates include automatic geometry cleanup, a new virtual operation for merging faces, and the ability to add virtual operations in geometry parts and plane geometries. These features are designed to simplify […]
The release of COMSOL Multiphysics 6.3 brings a suite of powerful new features, improved performance, and refined tools that benefit both academic research and industrial applications. The latest updates aim to streamline workflows, enhance simulation accuracy, and offer more robust solutions across various fields of engineering and scientific study. Below, we’ll walk through the major […]
Engineering has evolved beyond just pen and paper (thankfully). Today, simulation software plays a pivotal role in almost every engineering field. From analyzing fluid dynamics to testing structural integrity, simulation tools save time, money, and materials while allowing engineers to perfect their designs in a virtual world before ever building a prototype. But with so […]
