Active discussions in the forum
Announcement: Now available: COMSOL 5.3
Hello, I'm pleased to announce that COMSOL 5.3 is now available for download. Release highlights: - Dramatic speedup for handling large models - New powerful and user-friendly solver for CFD - Boundary element method... Read more »
Posted 1 month ago
Moving Assembly into a frame of reference
Hi, I'm using version 5.2 and I would like to know if there were anyway to just move my assembly I imported onto the frame of reference in order to set the 0 at the bottom of the entire assembly. In fact I want to add a mass... Read more »
Posted by Edgar Wilfart 1 hour ago
rigid particle carried by a channel flow
Hi I have to simulate the displacement and rotation of a rigid prticule in a fluid flow and I am not a professional on comsol. So, is there anyone who could help me? or if you have any examples of this models. Thanks Read more »
Posted by Oussama Dadi 3 hours ago
my PC Performance
My PC is hp Z820 workstation, 32Gb Ram, it not work fast, can you help me Read more »
Posted by Dr. Dhafeer AL-Hasnawi 4 hours ago
Small time step & slow solving process
Hi I'm building a 2D, time dependent model relating to Solid Mechanics/Heat Transfer in Solids/Coefficient Form PDE. They are coupled by the thermal expansion and swelling of the solid. The creep deformation of the solid is... Read more »
Posted by Xiaokang Wang 4 hours ago
Plane wave propagation in 3D structure
Hello, I was trying to propagate a transient plane wave (sinusoidal) in 3D structure in time domain. The plane wave is propagating along z-direction. Can anyone tell me how to define the equation for plane wave in RF module... Read more »
Posted by Rishad Arfin 5 hours ago
Inclusion of gravity in 3D natural convection problem with heat flux
Hi all, I am modelling a solar water heater and in that i wish to include gravity force. The water heater model is a thermosyphon based system which works on the movement of hot water upwards due to reduction of its... Read more »
Posted by Ankush Deep 6 hours ago
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COMSOL Blog
Efficiently Optimizing Solar Dish Receiver Designs
When designing a solar dish receiver, you may need to rerun your simulation multiple times to find an optimized design iteration. To save time, you can build an app... Read more »
Analyzing Critical Speeds with the Rotor Bearing System Simulator
Rotating components are important elements in machines such as gas turbines, turbochargers, pumps, compressors, electric generators, and motors. Designing such a... Read more »
Benchmark Model Shows Reliable Results for Inertial Focusing Analysis
Inertial focusing is a useful technique for various applications, particularly within the medical field. Ensuring its effectiveness requires accurately describing the... Read more »
How to Model Gearbox Vibration and Noise in COMSOL Multiphysics®
Gears are used in a variety of applications, such as clocks, industrial machinery, music boxes, bicycles, and automobiles. A gearbox is a major source of vibration and... Read more »
How to Analyze Eigenfrequencies That Change with Temperature
In some applications, particularly within the MEMS field, it is important to study the sensitivity of a device's eigenfrequencies with respect to a variation in... Read more »
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