Comsol, mechanical damping, not convergence?

When I compute a piezoelectric transducer in a water domain, the solution works well and convergence. However, when I add mechanical damping to the piezoelectric material and keep others all the...

04 May 2017 8,653 1 View

Howto calculate the thickness resonace frequency of a 1-3 composites?

03 April 2017 8,423 2 View

Anybody have experience on simulate the transducer fabricated by 1-3 composites(piezoelectric rods embed in epoxy)?

06 July 2016 4,004 3 View

Nonuniform acoustic field is generated by simulating the transducer,why?

05 June 2016 7,436 9 View

Why not the far field calculation does not work in Frequency-Domain, Perturbation ?

Hi, I simulate the transducer performance under pre-stressed, and I reference the template "tonpilz transducer prestress" in the library. Far field pressure works under frequency domain, but I can...

04 May 2016 9,016 3 View

Comsol, When I simulate the impedance of 1-3 piezoelectric composite, how to remove the resonance mode of polymer?

04 May 2016 1,785 1 View

How to simulate the band width and sensitivity of transducer using Comsol?

03 April 2016 2,907 2 View

How to constraint the transducer by comsol?

03 April 2016 6,106 4 View

The model heat transfer established by comsol can not convergence?

The heat transfer model convergence at first, but when I increase the electric potential or calculation time, it turns do not convergence, I want to know why, wrong boundary condition, or...

03 April 2016 634 5 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

How can I find the effect of different parameters like (Reynolds number, Hartman number, volume friction etc.) in COMSOL?

Here I am facing this problem. I don't find any effect of this type of parameters. I am a beginner user of COMSOL.

23 February 2021 9,086 3 View

How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

22 February 2021 5,408 1 View