Blog Posts Tagged Technical Content
New Piezoelectric Modeling Interface in COMSOL 5.0
As of version 5.0 of COMSOL Multiphysics®, there is a new interface for simulating piezoelectric devices; it has predefined features that make it easy to set up and run a piezoelectric model.
Visualizing Fluid Flow with Streamline Plots
As part of our blog series on postprocessing, we demonstrate the use of streamlines to visually describe fluid flow in your simulations. Learn how with an example of flow through a pipe elbow.
How to Obtain Fatigue Model Parameters
2 challenges when modeling fatigue: 1.) selecting a suitable fatigue model for your application and 2.) obtaining the material data for the selected model.
Ray Tracing in Monochromators and Spectrometers
Spectrometers are optical devices that measure some property of radiation as a function of its frequency, while monochromators transmit radiation of a specific frequency.
Maximum Evaluations on Parallel Sections
Postprocessing trick: You can evaluate and plot the maximum, minimum, average, or integration value of any variable at various parallel sections along the axial coordinate of your model.
Fillet Away Your Electromagnetic Field Singularities
Did you know that you can use fillets and chamfers in your electromagnetics models to avoid electromagnetic field singularities? Learn how in this tutorial blog post.
Electroplating Simulations for Printed Circuit Board Designers
The manufacture of a printed circuit board (PCB) often involves a process called electroplating, which can vary from design to design. A simulation app can make it easy to analyze this process.
Introducing the Design Module
The Design Module has specialized features for advanced geometry modeling, including the ability to create fillets on 3D designs or generate shell approximations of imported geometric objects.
Membrane Interface Improvements in Version 5.0
As of version 5.0 of COMSOL Multiphysics®, the Membrane interface includes a restructured menu, new feature nodes, improvements to the Linear Elastic Material model, and more.
Investigating LED Efficiency via Multiphysics Simulation
Ever wonder how efficient LED lighting is, compared to traditional florescent lighting? In this blog post, we demonstrate how to analyze LED efficiency with multiphysics modeling.
Creating an App for Modeling Flow Control in a Pipe Network
Simulation apps can be used as dedicated tools for modeling the flow and pressure distribution inside a network of connected pipes. This would be useful in, for example, semiconductor processing.
Making Waves with Contour and Isosurface Plots
In this installment of our blog series on postprocessing your simulation results, learn how to use contour and isosurface plots to show quantities on a series of lines or surfaces.
Using Virtual Operations to Simplify Your Geometry
CAD geometry: A set of data structures that provide a very precise method for describing the shapes of parts (called boundary representation, or B-rep).
How to Easily Connect 1D Pipes to 3D Flow Domains
You can easily connect 1D pipes to 3D flow domains for your pipe flow simulations using a feature in the Pipe Flow Module available as of COMSOL Multiphysics® version 5.0.
New Accumulators Boost Particle and Ray Tracing Functionality
Accumulators, a series of features available in the Particle Tracing Module, can be used to couple the results of a particle tracing simulation to other physics interfaces.
Which Fatigue Model Should I Choose?
Have you ever asked yourself, “Which fatigue model should I use in my simulations?” If so, read this blog post for a comprehensive overview of the available Fatigue Module models.
Apps for Teaching Mathematical Modeling of Tubular Reactors
Chemical engineering students can use the Tubular Reactor app to model a nonideal tubular reactor and investigate the impact of different operating conditions. Learn more >>
Working with Imported CAD Designs
The CAD Import Module, Design Module, and LiveLink™ products go beyond the capabilities of COMSOL Multiphysics® with CAD tools for repairing and preparing a geometry for simulation.
A Brief Introduction to the Weak Form
Whether or not you use finite element analysis and vector calculus in your daily life, you’ll appreciate this introduction to the weak form equations.
Modeling Thermally Induced Focal Shift in High-Powered Laser Systems
You can use the Ray Optics Module to create a fully self-consistent model of laser propagation that includes thermal and structural effects. Here, we take you through the process step by step.
Introducing the Ray Optics Module
COMSOL Multiphysics version 5.0 introduced an add-on module for electromagnetics modeling: the Ray Optics Module. It can be used to perform ray tracing and geometrical optics studies.
The Tuning Fork Application
Do re mi fa so la ti do! Did you know that the most common standard pitch for a tuning fork is 440 Hz, which forms the note A? See a tuning fork simulation app in action here >>
Coupling Structural Mechanics Interfaces
The Structural Mechanics Module consists of specialized interfaces: Solid Mechanics; Shell, Plate, and Membrane for modeling thin structures; and Beam and Truss for modeling slender structures.
Multiscale Reactors: Cleaning the Flows
Packed bed reactors are used in chemical synthesis and for effluent treatment and catalytic combustion, are often required for heterogeneous catalysis, and commonly include catalyst pellets.