Computational Fluid Dynamics (CFD) Blog Posts

Using the Inflow Boundary Condition in Nonisothermal Flow Simulations
Nonisothermal flow is a multiphysics problem, as it combines CFD and heat transfer analysis. Learn how to implement the Inflow boundary condition when simulating these types of scenarios.

Comparing Static and Dynamic Wall Heat Exchangers with Simulation
We compare the performance and efficiency of static and dynamic compact wall heat exchanger designs using fluid-structure interaction.

Modeling the Flow of Ice in COMSOL Multiphysics®
The dynamics of glaciers are a complex (and “cool”) subject to study. One method is by using fluid flow simulation to analyze the flow of ice, from accumulation to ablation.

Simulating Natural Convection in Air with COMSOL Multiphysics®
From small electronic components to large buildings, natural convection is a transport phenomena found in engineering disciplines of all sizes. Here’s an example of natural convection in air.

Modeling a Sphere Falling on a Water Surface
Get the theory behind a quintessential CFD problem, the oscillating motion of a buoyant sphere, as well as step-by-step instructions for modeling it in COMSOL Multiphysics®.

How to Model Fluid-Structure Interaction in a Water Balloon
They’re not just for playing games in the backyard: Water balloons are also an example of fluid–structure interaction in a nonlinear elastic material. Learn how to model this effect…

Optimizing a Microlens Design for Optogenetics Applications
Optogenetics is a field of study that could shed light on neurology and memory. To design an optimized microlens for optogenetics uses, these researchers turned to multiphysics simulation.

Analyzing Concrete Flow in Drilled Shafts with CFD Simulation
Researchers from the University of Florida used CFD simulation to analyze concrete flow in drilled shaft designs in order to optimize these deep foundation elements.

Predicting How Long Coffee Stays Warm in a Vacuum Flask
Do you use a vacuum flask to keep your coffee or tea warm? Try simulating the natural convection cooling in one of these containers to see exactly how long your beverage will stay warm.

How to Save Computational Time with a One-Way Coupling Approach
Simulating heat transfer in fluids with forced convection can be very computationally expensive. Did you know that you can save a lot of time and resources with a one-way coupling approach?

Simulating the Thermocompression Bonding of an Underfill Adhesive
Underfill adhesives are often used in microelectronics to hold different components together. Simulate the thermocompression bonding process of such an adhesive to ensure its effectiveness.

Finding the Ideal Thickness for the Insulation of a Pipeline
Pipelines need to be properly insulated in order to transport products like petroleum and natural gas across long distances. Use COMSOL® to find the ideal thickness for a pipeline insulation.