Is it possible to introduce a 2D axis-symmetric model in COMSOL Multiphysics to solve electromagnetic waves?

Hello dear researchers. I want to solve a cylindrical waveguide, lick an ordinary standard optical fiber. I am familiar enough with the 2D-axis-symmetric model, but as I knew from the equations...

11 January 2021 6,663 6 View

Is there sensor history output for energy ALLKE and ALLPD in abaqus 2020?

is there sensor history output for energy ALLKE and ALLPD in abaqus 2020? is there any one help me

19 November 2020 6,699 2 View

How can I invoking energy output in subroutine such sensor. the sensor can invoke output scalar such V. ?

07 November 2020 4,471 1 View

How can I invoking energy output in subroutine such sensor. the sensor can invoke output scalar such V. ?

07 November 2020 5,141 1 View

Effect of anesthetics drugs on coronavirus patients?

What is the reason for the ineffective or insignificant effect of Neuromuscular relaxants such as Atracurium and anesthetics such as Ketamine on patients with Coronavirus hospitalized in the...

22 September 2020 5,734 4 View

Best rat model of Type 2 diabetes and metabolic syndrome?

Hi Im seeking advice on what would be the best model of T2D and metabolic syndrome in rats Thank you

04 September 2020 3,661 4 View

What kind of amides does the tendon consist of?

In visible reflectance spectroscopy performed on a bovine tendon, peaks were observed corresponding to tendon amides. But I do not know these peaks are related to what kind of amides.

16 August 2020 4,411 3 View

How to calculate the Reconnaissance Drought Index (RDI) in DrinC software?

30 April 2020 906 2 View

How to estimate Mean +SD for subgroups in a study in which results are presented for the main population?

Hello, I started working on collecting data for meta-analysis and I faced two-phase study, which in the first experiment the pharmacokinetic profile of 15 patients after drug administration were...

04 April 2020 9,678 3 View

Where should I register my systematic review and meta-analysis?

Dear colleagues, Is it alright to register a systematic review and meta-analysis (focusing on human health studies) with the International Platform of Registered Systematic Review and...

25 March 2020 5,382 9 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 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

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 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 increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View