2D model of Fiber Bragg Grating Sensor?

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How to generate a spherical pressure wave from a source point in COMSOL Multiphysics software?

How to generate a spherical pressure wave from a source point in COMSOL Multiphysics software.

10 November 2019 7,440 1 View

Can consider a sinusoidal wave as a Partial discharge acoustic pressure wave?

Can consider a sinusoidal wave as a Partial discharge acoustic pressure wave.

08 September 2019 2,554 2 View

The amplitude of frequency in FFT doesn't match time-domain amplitude in COMSOL Multiphysics software?

Dear friends I am designing a underwater optical acoustic sensor Using COMSOL Multiphysics software. I would like to analyze the received signal signal by sensor in both the time domain and...

07 August 2019 2,598 3 View

How to export matlab program file to COMSOL?

03 April 2019 6,284 2 View

How to calculate the sensitivity of the acoustic optical sensor?

Dear friends, I am modelling an optical based underwater acoustic sensor to detect the acoustic sound wave which is induced inside the water-filled tank using COMSOL Multiphysics software. Due to...

03 April 2019 4,999 4 View

How to used contituity boundary condition in an acoustic wave propagation in an oil filled tank using COMSOL Multiphysics?

How to used contituity boundary condition in an acoustic wave propagation in an oil filled tank using COMSOL Multiphysics

11 December 2018 6,443 1 View

Can used Piezoelectric transducer as an acoustic wave signal receiver sensor?

Dear friends, I am going to design a piezoelectric transducer as an acoustic wave signal receiver sensor using COMSOL Multipysics. Description of the model: In an air-filled rectangle box an...

11 December 2018 1,074 8 View

How to convert the output voltage(Volts) of Piezoelectric sensor into pressure (Pascal)?

Dear friends, I am working on an application where I need to convert the o/p voltage(in volts) of Piezoelectric acoustic sensor into pressure (in pascals). I wanna know how I would be able to do...

11 December 2018 5,049 8 View

How to convert the output voltage(Volts) of Piezoelectric sensor into pressure (Pascal)?

Dear friends, I am working on an application where I need to convert the o/p voltage(in volts) of Piezoelectric acoustic sensor into pressure (in pascals). I wanna know how I would be able to do...

11 December 2018 4,956 8 View

2D model of optical Fiber Bragg Grating sensor using COMSOL Multiphonics?

Dear friends, I am going to desing an optical Fiber Bragg grating sensor for pressure and strain measurement using COMSOL software. But, I am new in this software so if anybody having any idea...

11 December 2018 8,840 0 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

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 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

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 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

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 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