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?

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

Could anyone tell me what is the range of submillimeter wave?

There is confusion regarding the submillimeter-wave range. Many papers specify its range from 300GHz but some also consider its range from 100GHz. If I design an antenna on 122ghz what would I...

01 March 2021 516 7 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

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Complex wave form in ANSYS?

Is there a way to input wave speed in a complex form on ANSYS? The wave speed I need to assign a material is 325(1+0.11i) however I have been unable to do this thus far. Failing that, is there...

27 February 2021 5,969 1 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 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