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Fluid Blog Posts

Modeling Free Surfaces in COMSOL Multiphysics® with Moving Mesh

May 31, 2018

You can model free liquid surfaces that do not undergo topology changes using moving mesh functionality in the COMSOL® software. Here’s a thorough guide on how to do so.

Analyzing Multiphase Flow in an Airlift Loop Reactor Benchmark Model

May 23, 2018

This blog post features a benchmark model of an airlift loop reactor that validates the use of CFD simulation for analyzing multiphase flow.

Two Methods for Modeling Free Surfaces in COMSOL Multiphysics®

May 15, 2018

We take you through 2 methods for modeling free surfaces in the COMSOL® software: the level set and phase field methods. Learn how to use each method and their benefits.

How to Solve a Classic CFD Benchmark: The Lid-Driven Cavity Problem

May 8, 2018

We demonstrate how to solve a classic benchmark problem in the field of computational fluid dynamics, the lid-driven cavity problem, using the COMSOL® software.

Modeling Fluid-Structure Interaction in a Heart Valve

April 25, 2018

The average human heart beats 100,000 times per day, but what if the person has cardiac issues? Modeling fluid-structure interaction in a heart valve can help researchers develop new treatments.

Analyzing Wastewater Contaminant Removal in a Secondary Clarifier

April 24, 2018

1 potential way to ensure sustainable water access is by developing safe and efficient wastewater clarifiers. Engineers can use fluid flow simulation to develop optimized clarifier systems.

Analyzing a Supersonic Ejector with CFD Simulation

April 16, 2018

From food refrigeration in a local market to debris removal in the outer corners of space, ejectors have a wide range of uses. You can use the CFD Module to analyze a supersonic ejector design.

Using the Algebraic Multigrid (AMG) Method for Large CFD Simulations

March 26, 2018

There’s an ideal method for solving large CFD simulations that involve complex geometries. It’s called the algebraic multigrid (AMG) method, and you can learn all about it here.