Computational Fluid Dynamics (CFD) Blog Posts
![](http://cdn.comsol.com/wordpress/sites/1/2019/06/COMSOL_Blog_ModelImgs_AcousticStructure_ThumbnailImg.png)
Introduction to Modeling Acoustic-Structure Interactions in COMSOL®
To model an ASI problem, you need to account for the behavior of elastic waves in solids, pressure waves in fluids, and their interaction. The COMSOL® software includes interfaces for doing so.
![](http://cdn.comsol.com/wordpress/sites/1/2019/06/COMSOL_Blog_ModelImgs_PidControl_ThumbnailImg.png)
Optimizing PID Controller Performance with COMSOL Multiphysics®
PID controllers involve three components that must work together simultaneously, and it can be challenging to get each of them just right. That’s where process control simulation comes in.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_ModelImgs_DNASeparation_ThumbnailImg.png)
Speeding Up DNA Separation in a Microchannel via Simulation
DNA separation takes a long time using traditional methods. Now, researchers from the Missouri University of Science and Technology have found a faster way to get the job done.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_OG_Mechanical-245x195.png)
Calculating the Heat Transfer Coefficient for Flat and Corrugated Plates
What is the heat transfer coefficient, and how do you calculate it? This blog post includes a theoretical background and demonstration of 2 examples in COMSOL Multiphysics®.
![](http://cdn.comsol.com/wordpress/sites/1/2019/03/COMSOL_Blog_ModelImgs_FSIMultibodyMechanism_ThumbnailImg.png)
Modeling Fluid-Structure Interaction in Multibody Mechanisms
To model advanced FSI scenarios, such as swimming mechanisms or airflow around a wind turbine blade, you can use the Fluid-Structure Interaction, Pair multiphysics coupling.
![](http://cdn.comsol.com/wordpress/sites/1/2019/03/COMSOL_Blog_ModelImgs_PeristalticPump_ThumbnailImg.png)
Veryst Combines Material Testing and Simulation for Reliable Results
Simulation helps companies develop the best designs. Understanding material behavior plays a key role in generating accurate simulations. Here’s how Veryst combines testing and FSI simulation.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_OG_COMSOLNow-245x195.png)
Simulation Applications Enable Digitalization at ABB Traction Motors
Here’s a real-world example of optimizing R&D processes with COMSOL Server™: At ABB Traction Motors, engineers use simulation applications to analyze CFD and heat in electric motor designs.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_OG_COMSOLNow-245x195.png)
Keynote Video: Optimizing Cable Systems via Simulation
The length of cable for a mode of transportation depends on the amount of passengers, so a car uses ~5 km of cable and a cruise ship uses ~5000 km. Learn more about cable system design here.