Active discussions in the forum
Announcement: COMSOL Conference Boston 2013 - One month away from Early Bird Abstract Submission Deadline
Hello, I hope you are as excited about the upcoming conference season as I am! As a reminder, the Early Bird Abstract Submission Deadline for the COMSOL Conference Boston 2013 is June 21st, exactly one month away from today!... Read more »
Posted 4 days ago
Announcement: COMSOL Multiphysics 4.3b is now available
Hello COMSOL Community! Five new modules and a tremendous number of new features and enhancements are ready to be applied in your models and simulations. Release Highlights are available at www.comsol.com/products/4.3b The... Read more »
Posted 3 weeks ago
Solving a system of coupled PDE
Hi, I try to solve a system of coupled PDE with Comsol. Unfortunately, I have problems to choose a suitable solver. Details of my question and a model file are attached. I would be very grateful for any help or advise of... Read more »
Posted by Felix 5 hours ago
solution of Navier-Stokes equation for shear modulus reconstruction
Hello I am solving Navier-Stokes equation for shear modulus estimation with comsol and livelink for matlab. The equation i have to solve in comsol is ∇.μ∇u+∇(λ+μ)∇.u=0 But i can not find this form in the pde... Read more »
Posted by Mosheyur Rahman 5 hours ago
What's the formulation of "mechanical energy flux" in COMSOL?
There are "mechanical energy flux," "complex mechanical energy flux" which I can derive or plot in the result. They are cool but still I want to know the definitions of them, how it calculates, and I did not find them in... Read more »
Posted by Ting-Wei Liu 7 hours ago
Scattering boundary condition and port with plane wave
Dear all, I want to simulate the periodic nanostuctures on silicon. now i am using comsol 4.3a version which is not supported PML with port boundary. for that i need to define the Scattering boundary condition at the port... Read more »
Posted by Syed Nadeem Akhtar 8 hours ago
Is it possible to input non-isotropic thermal expansion coefficients for Hyperelastic material
I am using Comsol for a small project using solid mechanics physics and was wondering if I could define a coefficient of thermal expansion as diagonal instead of just isotropic for a hyperelastic material. I can do this for a... Read more »
Posted by Andrew Voyiadjis 16 hours ago
3D and 2D integration from the walls of a cylinder
Hello, I need to get integral from the surface of a disk and the walls of a cylinder in 2D and 3D geometries. I am fine with getting integral from the surface of a disk in 2D axisymmetric geometry and in 3D geometry and... Read more »
Posted by Mahdieh 16 hours ago
View all discussions | Start a new discussion
COMSOL Blog
Mesh Refinement for Wave Problems
This week we are happy to have Kyle Koppenhoefer of AltaSim Technologies as a guest blogger. As COMSOL Certified Consultants, AltaSim can share valuable insights into... Read more »
Modeling Acoustic Damping Processes
Mufflers are often located in exhaust systems or on heat, ventilation, and air conditioning (HVAC) systems, where their key functionality is to dampen the noise that is... Read more »
Double Pendulum Simulation Tutorial
Dynamic simulation of a double pendulum system can easily be performed using the Multibody Dynamics Module available in COMSOL Multiphysics. This module enables the... Read more »
Meet the Program Committee for the COMSOL Conference Boston 2013
Each year, a program committee is formed about six months prior to the conference day. This is always a sign to me that a brand new conference season has formally... Read more »
Equation-Based Modeling, a Custom Model of a Beating Heart
Equation-based modeling is one of the great strengths of COMSOL Multiphysics. The ability for you to easily access the equations describing the physics you are working... Read more »
Model Exchange
As part of COMSOL’s commitment to the Multiphysics Modeling community, we offer a forum where COMSOL models and other material can be shared; the Model Exchange »
