Fluid Mechanics (CFD)

User Stories

COMSOL Reveals Unknown Effects in Process InstrumentationCFD:
COMSOL Reveals Unknown Effects in Process Instrumentation

MKS Instruments, Wilmington, MA
Modeling has become invaluable in MKS Instruments' development of first-class mass-flow controllers for the process industry. They have gained a detailed...

Always Check Your Results!Teaching:
Always Check Your Results!

University of Washington, Seattle, WA
Partial differential equations form the theoretical basis for ready-to-use modeling packages in transport phenomena. Understanding the implementation and...

Fine Tuning for Water PurificationCivil Engineering:
Fine Tuning for Water Purification

Amsterdam Water Supply (AWS), Amsterdam, Netherlands
Amsterdam Water Supply AWS of the Netherlands produces some of the cleanest drinking water in the world, almost 100 million cubic meters per year in fact....

Taking a Bearing on QualityPackaging:
Taking a Bearing on Quality

ASM Assembly Automation Ltd of Hong Kong
Porous air bearings are a critical element of high-precision machinery thanks to their essentially frictionless operation, high speed, and accuracy. Thanks to...

Fighting Fires Without WaterSafety:
Fighting Fires Without Water

UTRC, East Hartford, CT & Royal Institute of Technology (KTH), Stockholm, Sweden
UTRC brings their vast experience to bear on designing ways to snuff out fires with inert gas. For their work, a single COMSOL file contains a number of...

Model Examples

Vibrations in a Milk Container: This example illustrates a multiphysics application that involves a fluid-structure... Heated Vertical Plate: This model shows the application of COMSOL Multiphysics in modeling the non-isothermal flow of...
Variations in Density in Porous Media Flow: This example studies the steady flow of an ideal gas in porous media, where... Turbulent Two-Phase Flow Benchmark: This model shows how to solve a turbulent two-phase flow problem with the k-epsilon...
Star-Shaped Microchannel Chip: This model presents a time-dependent study of a microchannel that is used to infuse and... Squeeze Film Disc: This benchmark model computes the total force acting on a vibrating disc in the frequency and time...
Controlled Diffusion Micromixer: This model simulates an H-shaped micro-cell designed for controlled diffusive mixing.... Convective Flow in a Heat Exchanger Plate: This example models flow in a heat exchanger plate by coupling a Laminar Flow...
Diffusion in Isothermal Laminar Flow Along a Flat Plate: In most industrial systems, the species transport in laminar... Bending Pipe: This model studies the fluid flow through a bending pipe in 3D for the Reynolds number 300 000. Because of...
An Electrokinetic Valve in a Microchannel System: This model presents an example of pressure driven flow and... 1D Plane Slider bearing: This benchmark model computes the load-carrying capacity of a one dimensional hydrodynamic...
1D Step Bearing: This benchmark model computes the load-carrying capacity of a one dimensional hydrodynamic step... Diverging Duct: When the diameter of a pipe suddenly increases, the area available for flow increases. Fluid with...