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2014 Call For Papers

. Suggested Topic Areas AC/DC Electromagnetics Acoustics and Vibrations Batteries, Fuel Cells, and Electrochemical Processes Bioscience and Bioengineering Chemical Reaction Engineering Computational Fluid Dynamics Electromagnetic Heating Geophysics and Geomechanics Heat Transfer and Phase Change MEMS and Nanotechnology Microfluidics Multiphysics Optics, Photonics ...
www.ch.comsol.com/conference2014/europe/papers/

2014 Call For Papers

. Suggested Topic Areas AC/DC Electromagnetics Acoustics and Vibrations Batteries, Fuel Cells, and Electrochemical Processes Bioscience and Bioengineering Chemical Reaction Engineering Computational Fluid Dynamics Electromagnetic Heating Geophysics and Geomechanics Heat Transfer and Phase Change MEMS and Nanotechnology Microfluidics Multiphysics Optics, Photonics ...
www.ch.comsol.com/conference2014/usa/papers/

2014 Call For Papers

. Your published work will be recognized by a worldwide audience that reaches over 100,000 people. Suggested Topic Areas AC/DC Electromagnetics Acoustics and Vibrations Batteries, Fuel Cells, and Electrochemical Processes Bioscience and Bioengineering Chemical Reaction Engineering Computational ...
www.ch.comsol.com/conference2014/brazil/papers/

2014 Call For Papers

. Your published work will be recognized by a worldwide audience that reaches over 100,000 people. We invite our users to submit an abstract for the COMSOL Conference. Suggested Topic Areas AC/DC Electromagnetics Acoustics and Vibrations Batteries, Fuel Cells, and Electrochemical Processes Bioscience and Bioengineering Chemical Reaction Engineering Computational ...
www.ch.comsol.com/conference2014/india/papers/

Acoustics and Vibration Analysis Software - Modeling Acoustic Waves

Models Stories Videos Key Features Overview Acoustics Module Overview Key Features Stories Videos Models $('.fixedVersion .modal').appendTo($("body")); Acoustics Module For Acoustics and Vibrations Analysis Simulation of the acoustics inside a sedan, including sound sources at the loudspeaker locations ...
www.ch.comsol.com/acoustics-module

Acoustics - Specification Chart

Specification Chart AC/DC Acoustics Chemical Species Transport Electrochemistry Fluid Flow Heat Transfer Mathematics Plasma RF and Optics Semiconductor Structural Mechanics Acoustics Expand/Collapse all Select any checkbox to highlight individual products ... Frequency-Domain Modal Acoustic-Solid Interaction, Transient Eigenfrequency Frequency Domain Frequency-Domain Modal Modal Reduced Order Model Time Dependent Time-Dependent Modal Elastic waves Eigenfrequency Frequency Domain Frequency-Domain Modal Pipe Acoustics, Frequency Domain ...
www.ch.comsol.com/products/specifications/acoustics/

Your Room, from Interior Design to Acoustics

If you're into designing your own room, why not make sure it's perfect from an acoustics stand-point as well? Let's consider where we should put the TV and loudspeakers so they don't only look great, but sound great, too. My colleagues in Germany have modeled a living room with furniture and four speakers placed inside, with the goal of analyzing the eigenmodes of the room ...
www.ch.comsol.com/blogs/room-interior-design-acoustics

Acoustics and Vibrations Analysis

Considering acoustics and vibrations is an important aspect of the accurate design of devices, such as microphones, speakers, and sensors. The optimal, controlled, and correct functioning of the simulated application is also ensured by considering and mitigating side effects such as vibratory displacement, resonances, and chatter ...
www.ch.comsol.com/events/1765/acoustics-and-vibrations-analysis/

Acoustics Tutorial for Modeling Organ Pipe Design

The way the sound is shaped as it passes through the pipe of an organ is the result of a carefully calculated and intricate pipe design. Browsing through the Model Gallery, I came across a model of an organ pipe, and it happens to be a great acoustics tutorial for using the ... Pipe Acoustics, Frequency Domain interface in COMSOL Multiphysics. Let's talk organ pipe design, and walk through how we can model it with multiphysics software. Components of an Organ Pipe ...
www.ch.comsol.com/blogs/acoustics-tutorial-modeling-organ-pipe-design

Report from the Joint CAA-ASA Acoustics Conference

Last month, the Acoustical Society of America (ASA) and the Canadian Acoustical Association (CAA) held the 21st joint meeting of the International Congress on Acoustics (ICA) in Montreal, Canada. This joint congress is one of the major acoustics conferences of 2013, featuring a range of parallel sessions that covered most topics in acoustics ...
www.ch.comsol.com/blogs/joint-caa-asa-acoustics-conference-report

Theory of Thermoacoustics: Acoustics with Thermal and Viscous Losses

), and energy conservation equations. This is achieved by solving the thermoacoustics equations in the Thermoacoustic interface, included in the Acoustics Module. The equations are also known as the thermo-viscous acoustics, visco-thermal acoustics, and linearized Navier-Stokes equations ...
www.ch.comsol.com/blogs/theory-ther...cs-acoustics-thermal-viscous-losses

Acoustics and Piezoelectricity: Esaote to Speak at the COMSOL Conference Milan 2012

.. This is great news for acoustics enthusiasts, transducers designers, and piezoelectric components manufacturers. They will have the opportunity to meet with an expert COMSOL Multiphysics user in their area of interest ...
www.ch.comsol.com/blogs/acoustics-p...esaote-comsol-conference-milan-2012

Acoustics - Electrical impdance mismatch

Hello, I have a problem when solving my acoustics models. When I plot electrical impedance curve, it does not represent properly the typical increase that electrical impedance has at mid-high frequencies. I attach a file to show you my problem and of course I would really appreciate any kind of help ...
www.ch.comsol.com/community/forums/acoustics-module/thread/24133

Piezo acoustics transducer

Hello, I am going to build up a relation among of the Piezoacoustics transducer, pmma, and Ti. I want to see the transient behaviour of the model. It shows variable problem, how can i define it? plz help me.. ...
www.ch.comsol.com/community/forums/acoustics-module/thread/21872

Absorbing boundary for acoustics

Dear all. I am trying to simulate a acoustics wave propagating through the air. The idea result should look like the attached picture. The version that I have is 3.5a. I am not sure if my PML setting is correct but it looks like there is nowhere I can set the radiation wave source ...
www.ch.comsol.com/community/forums/acoustics-module/thread/37143

Time-mesh in the transition Piezoelectricity acoustics model

Hi, I'm using comsol V4.2. In the transition Piezoelectricity acoustics model. Water:c=1500m/s I'm using piecewise function : sinewave 1.08MHz,Duty cycle=30%,Burst cycle=10 How can I set time step for model in the time depend ...
www.ch.comsol.com/community/forums/acoustics-module/thread/24659

ACOUSTICS - Undefined value found in the equation residual vector.

Typical error when trying to solve a compression driver model... Undefined value found in the equation residual vector. There are 1445 degrees of freedom giving NaN/Inf in the vector for the variable mod1.u at coordinates (),(),()..... There are 1445 degrees of freedom giving NaN/Inf in the vector for the variable mod1.w at coordinates (),(),()..... Any help would be appreciated. Thank you all in advanced ...
www.ch.comsol.com/community/forums/acoustics-module/thread/23767

Acoustics Studies of a room: transfer function, impulse response, reverberation time, frequency response, reverberation time!

Hello, I am pretty new in Comsol. I am more friendly with Matlab and Catt acoustics. Nonetheless I would like to fix that weakness. First, I am working with Comsol Multiphysics version 4.2a. My goal is to build a room and calculate: - its eigenmodes ...
www.ch.comsol.com/community/forums/acoustics-module/thread/29385

Ultrasound Simulation

I want to carry out ultrasound simulation. Does COMSOL support it? Also, is it possible to import 3D CAD data (.drg files) into COMSOL? ...
www.ch.comsol.com/community/forums/acoustics-module/thread/31233

Sound Hard boundary: unable to choose it (newbie)

Hi all ! I start using comsol in order to modelize one speaker's directivity. After drawing it in 3D, I cannot choose the sound hard boundaries in my drawing: All boundaries are selected, and all buttons (add/delete to selection, new selection...) are in grey, unusable. And most of boundaries in the list are written as "not applicable" (between brackets). Does someone now this problem, and have any idea to solve ...
www.ch.comsol.com/community/forums/acoustics-module/thread/19864

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