Determination of mutual inductance of transformer winding in COMSOL?

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Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

Is there any solar electric power plant having the concentrated photovoltaic modules?

The solar photovoltaic (PV) power plant uses commercial (non-concentrated) PV modules which are quite simple in design and reliable. They can work on fixed orientation and don't need the moving...

16 February 2021 3,796 9 View

Use of Sine voltage source in Electrical circuit with frequency domain study in COMSOL?

Dear Sir/Madam I want to use Sine voltage as a source in an RLC circuit. I want to study the driving point impedance with frequency sweep. But when I use sine voltage, I get an error like The DAE...

13 January 2021 9,826 5 View

Low value of Cd for Flow Past a Square Cylinder Simulation?

Hi everyone, Happy New Year! I am carrying out a Simulation for Flow Past a Square Cylinder. I am using Ansys Fluent. I get a very low value of Cd in the simulation. The solution converges but...

03 January 2021 4,389 3 View

How do I turn off the wall function for k-w SST simulation in Ansys Fluent?

I am using a very fine mesh (D/1000). Since I cannot find an option to turn off the wall function in Fluent GUI, could you please let me know how I can turn it off? From some forum I got to know...

21 December 2020 9,186 15 View

How to find Inverse Laplace of a large matrix in MATLAB?

I am trying to find out the inverse Laplace transform of the state transition matrix obtained using inv(S*I-A). Where I is the identity matrix, and A is a state-space matrix(24x24 matrix). I have...

21 December 2020 7,041 3 View

Why do I get Floating Point Error! on simulating with very fine mesh using k-w SST model in Ansys Fluent?

Hi everyone, any insight is appreciated. I am simulating with a D/1000 [first boundary layer height] mesh the flow past a square cylinder (inside a Circular domain). For Coarser mesh, I had no...

21 December 2020 5,438 10 View

I have rat dose of my formulation , how can I calculate mouse dose of same formulation using rat using rat dose?

Dose conversion from rat to mouse?

23 November 2020 1,807 3 View

What are the names of glasses used in the solar panels?

For my research purpose, I need the name and optical properties of the glass used on the front surface of the solar panel. Can someone provide me the aforementioned data with valid references? Is...

22 October 2020 9,714 9 View

In Abaqus, how to give stress field data from an output of a model to a new model as an input field having the same part?

I have 2 models where the first model is a subpart of the second one. The components of the subpart have the same mesh and geometry in both the models. I have performed stress analysis on the...

18 October 2020 9,256 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 to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 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

Abdelghani Rouini

COMSOL Multiphysics® Based Inductance Estimation for Modeling Transformer Winding Faults in EMTP

By: Hemanth Kumar Vemprala and Bruce A. Mork

https://www.comsol.ru/paper/download/678631/vemprala_paper.pdf

Use of COMSOL Multiphysics in High Voltage Electronic Transformers Design

By: Alex Pokryvailo