Unobserved explected plane wave symmetry
Hi everyone. I'm working on an very simple acoustics model in which a plane wave excites the space between two parallel walls. (1) First of all I couldn't find a way to impose a plane wave excitation...
View ArticleShaking model to find velocity
I want to simulate shaking of my model at different frequencies and find the velocity of the water particles inside the model. What physics or study or condition can be used to do this? Thanks for any...
View ArticleHelp needed with model to find acoustic transmission loss of a membrane.
I've been trying to 2 weeks now to get this model working with no joy so far. It's a membrane with a mass attached to the centre. I have YM, PR & density for membrane & mass. I need to...
View ArticleSimulating coupled acoustic resonators
Hello, I am interested in simulating the frequency response of a cantilever beam located in an acoustic resonance structure. I am able to find the eigenfrequencies of the cantilever by itself using the...
View ArticleEar Canal Coupler Model question
Has anywone worked with model ear canal ' models.aco.generic_711_coupler? when assigning the normal acceleration "an" in the input of the coupler, what is the criteria for adding this instead of a...
View ArticleEar Canal Coupler Model question
Has anywone worked with model ear canal ' models.aco.generic_711_coupler? when assigning the normal acceleration "an" in the input of the coupler, what is the criteria for adding this instead of a...
View Articlepiezoelectric cylindrical tranducer
Hello, I am currently working in COMSOL. I have built a piezoelectric cylindrical transducer using piezoelectric devices module. Following are my questions How can I find the breathing mode (lowest...
View ArticleSolid and Fluid motion with eigenfrequency study
Hello, I made a very simple geometry in 2D, such as the cross-section of a microcapillary. I want to find some eigenfrequency which can make a few modes on a microcapillary. So, for the shell I used...
View Articlefrequency sweep with comsol
Hi, I have started using comsol recently and I have a problem about the frequency response analysis. Which relationship should I add to the boundray settings of my geometry so that I could get a...
View ArticleWeakly compressible Navier-Stokes Equation
Can Acoustic module be used with Weakly compressible Navier-Stokes equation module to simulate the plate's natural frequency due to sound wave under fluid flowing over it?
View ArticleModeling intensity field from high-intensity ultrasound source WITHOUT...
Hi, I cannot afford to buy the Acoustics module, so I'm wondering if it's possible to model the energy being deposited into a material due to multiple ultrasound sources. The KZK equation can be used...
View ArticleHelmholtz PDE for Acoustic scattering
I´m traying to use the General PDE- Helmholtz equation to solve an acoustic scattering problem, I know I can use the Acoustic Module, but i want to do it with the general PDE as this give me a little...
View Articleacoustic and structure deflection couple field
hi, I am interested in finding out the sound pressure generation when we release pressurized air on the diaphragm of pressure(air) horn, Till now i have modeled 3d model of air horn, plz suggest me...
View Articleacoustic
i would like to model a flute. i am trying a simple open pipe with one end acting as source combined output from all holes. i dont even have an idea which physics to chose. can anyone briefly lay out...
View ArticleVelocity in Eigenfrequency Study
I trying to compute the eigenfrequecies and eigenmodes of a model (material is water) in the pressure acoustics and frequency domain. I have computed the Eigenfrequency study correctly. However, when I...
View ArticleUnobserved explected plane wave symmetry
Hi everyone. I'm working on an very simple acoustics model in which a plane wave excites the space between two parallel walls. (1) First of all I couldn't find a way to impose a plane wave excitation...
View ArticleShaking model to find velocity
I want to simulate shaking of my model at different frequencies and find the velocity of the water particles inside the model. What physics or study or condition can be used to do this? Thanks for any...
View ArticleHelp needed with model to find acoustic transmission loss of a membrane.
I've been trying to 2 weeks now to get this model working with no joy so far. It's a membrane with a mass attached to the centre. I have YM, PR & density for membrane & mass. I need to...
View ArticleSimulating coupled acoustic resonators
Hello, I am interested in simulating the frequency response of a cantilever beam located in an acoustic resonance structure. I am able to find the eigenfrequencies of the cantilever by itself using the...
View ArticleEar Canal Coupler Model question
Has anywone worked with model ear canal ' models.aco.generic_711_coupler? when assigning the normal acceleration "an" in the input of the coupler, what is the criteria for adding this instead of a...
View Article