Relevant bibliographies by topics / FEA Acoustic Module- Comsol

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'FEA Acoustic Module- Comsol'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "FEA Acoustic Module- Comsol"

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Azar, Celine. "Viability of COMSOL within the silencer selection process." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 266, no. 2 (2023): 492–96. http://dx.doi.org/10.3397/nc_2023_0072.

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Silencer selection has long been a burdensome, and occasionally iterative process. It is typically done based on tested sound attenuation values obtained using large facilities and costly equipment - making the process time-consuming and unsustainable. Fortunately, Finite Element Analysis (FEA) continues to become a more viable intermediary step between design and construction. COMSOL Multiphysics(r) is an FEA solver and simulation software. COMSOL's acoustics module can determine full octave decibel values of Transmission Loss.This paper goes through parameters and model setup in the COMSOL e
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Amit, Kumar Gupta. "TRANSMISSION LOSS OF CYLINDRICAL MUFFLER WITH DIFFERENT LENGTH TO DIAMETER RATIO BY USING TWO LOAD METHOD AND SIMULATION TOOL." International Journal OF Engineering Sciences & Management Research 3, no. 4 (2016): 27–32. https://doi.org/10.5281/zenodo.50165.

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This paper shows the details of measurement of the acoustical transmission loss of single expansion chamber muffler with various lengths to diameter ratios of cylindrical chamber muffler. A muffler is an important noise control element for reduction of machinery exhaust noise, fan noise, and other noise sources involving the flow of gases. Mufflers are typically arranged along the exhaust pipe as the part of the exhaust system of an internal combustion engine to reduce its noise. Firstly simulation tool results (Comsol) are compared with experimentally then results are observed with various ex
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Liu, Qing Bo, Gong Yu Li, Jie Sun, and Lang Liu. "The FEA Research of Noise Interference Suppression by Magnetic Flux Leakage." Advanced Materials Research 694-697 (May 2013): 334–37. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.334.

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Use the magnetic flux leakage (MFL) of transformer to excite sound interference for noise reduction. Piezoelectric transducer made MFL energy converted into vibration. It could excite acoustic cavity to produce interference sound. Transformer magnetic flux leakage and noise was analyzed by COMSOL Multiphysics. The sound pressure and the value of MFL calculated could be the guidance of muffler device design and installation location.
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Meitei, Sorokhaibam Nilakanta, Kunal Borah, and Saibal Chatterjee. "Modelling of Acoustic Wave Propagation Due to Partial Discharge and Its Detection and Localization in an Oil-Filled Distribution Transformer." Frequenz 74, no. 1-2 (2020): 73–81. http://dx.doi.org/10.1515/freq-2019-0050.

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AbstractPartial discharge (PD) is the main cause of the insulation decay and hence periodical testing of the insulation condition of a distribution transformer is necessary. This paper presents a model of PD acoustic wave propagation, detection, and localization in an oil-filled distribution transformer using finite element method supported by COMSOL Multiphysics software. Using an acoustic module and AC/DC module of COMSOL Multiphysics software, oil filled distribution transformer, and the acoustic piezoelectric sensor are simulated to analyze and detect the PD inside the transformer. PD is n
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Hao, Jinyu, Sheng Guo, Jian Cheng, Zhaopin Hu, and Hongyu Cui. "Research on the Sound Insulation Properties of Membrane-type Acoustic Metamaterials." E3S Web of Conferences 252 (2021): 02028. http://dx.doi.org/10.1051/e3sconf/202125202028.

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Low- and medium-frequency noise from ship cabins is difficult to control effectively. Excessive noise can seriously affect the acoustic stealth performance of ships. A novel membrane-type acoustic metamaterial is proposed in this paper with light weight and good sound insulation performance at low frequencies. The sound insulation performance of the metamaterial structure is analysed by using the acoustic-solid coupling module in COMSOL software. Then, the ability to change the sound insulation performance of membrane-type acoustic metamaterials with cell structure and material parameters is o
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Popescu, Florin Dumitru, Sorin Mihai Radu, Andrei Andraș, Ildiko Brînaș, Daniela Ioana Budilică, and Valentin Popescu. "Comparative Analysis of Mine Shaft Hoisting Systems’ Brake Temperature Using Finite Element Analysis (FEA)." Materials 15, no. 9 (2022): 3363. http://dx.doi.org/10.3390/ma15093363.

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This paper studies both the thermal and mechanical behavior of brake system models in the case of the emergency braking of a mine hoist model. Using a step-by-step approach inspired by studies conducted on small brake systems with high rotation speeds specific to road and rail vehicles, a comparative analysis using a computer simulation was performed for the two types of brakes of a mine hoist system. A Solidworks model was built for two configurations: the drum-and-shoe and the disc-and-pads, and it was imported to COMSOL Multiphysics, where the material properties and simulation parameters w
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Yashvanth, Varshitha, and Sazzadur Chowdhury. "An Investigation of Silica Aerogel to Reduce Acoustic Crosstalk in CMUT Arrays." Sensors 21, no. 4 (2021): 1459. http://dx.doi.org/10.3390/s21041459.

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This paper presents a novel technique to reduce acoustic crosstalk in capacitive micromachined ultrasonic transducer (CMUT) arrays. The technique involves fabricating a thin layer of diisocyanate enhanced silica aerogel on the top surface of a CMUT array. The silica aerogel layer introduces a highly nanoporous permeable layer to reduce the intensity of the Scholte wave at the CMUT-fluid interface. 3D finite element analysis (FEA) simulation in COMSOL shows that the developed technique can provide a 31.5% improvement in crosstalk reduction for the first neighboring element in a 7.5 MHz CMUT arr
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Yin, Xiaokai, Yongchao Xu, and Hongyu Cui. "Research on Low Frequency Sound Insulation Properties of Membrane-Type Acoustic Metamaterials." IOP Conference Series: Materials Science and Engineering 1210, no. 1 (2021): 012001. http://dx.doi.org/10.1088/1757-899x/1210/1/012001.

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Abstract To solve the problem of low-frequency noise control in ship cabins, a new membrane-type acoustic metamaterial (MAM) with bulges on the surface of thin films is designed based on the characteristics of lightweight and low-frequency sound insulation of membrane-type acoustic metamaterials. The sound structure coupling module of COMSOL multiphysical field coupling software is used to analyse the sound insulation performance of MAMs. The sound insulation properties of the additional mass film and self-similar fractal convex structure are further discussed. The metamaterial structure studi
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Costa Baptista, Josué, Roland Fotsing, Jacky Mardjono, Daniel Therriault, and Annie Ross. "Acoustic modelling of 3D-printed hybrid materials: a preliminary study." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 266, no. 2 (2023): 122–33. http://dx.doi.org/10.3397/nc_2023_0018.

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Analytical and finite element (FE) models are developed to predict the sound absorption coefficient of hybrid materials obtained through assembly of folded quarter-length resonators and periodic porous material. The analytical model uses the sum of the acoustic admittances. The acoustic admittance of resonators is simulated with Stinson's model. Johnson-Champoux-Allard-Lafarge (JCAL) model and transfer matrix method (TMM) are used to calculate the acoustic admittance of 1, 2 and 4-layers of porous materials with different geometric parameters. The FE model is implemented using the COMSOL Multi
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Lian, Bowen, Kewen Pan, Liqun Wang, Liwu Shi, Jianhua Yao, and Wei Guo. "Research and Experimentation on Acoustic Monitoring Technology for Laser Drilling Penetration." Micromachines 16, no. 4 (2025): 475. https://doi.org/10.3390/mi16040475.

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To prevent back wall damage in cavity workpieces during laser drilling, it is crucial to monitor hole penetration status in real time. This study proposes a laser drilling penetration monitoring method based on acoustic principles. First, the acoustic module parameters of the system were simulated and calibrated using COMSOL Multiphysics (version 6.1) software, resulting in an optimal sound source frequency of 35 kHz and an incident angle of 30° for the acoustic waves. Next, a nickel-based alloy laser drilling acoustic monitoring platform was designed and constructed, and the system’s upper co
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Dissertations / Theses on the topic "FEA Acoustic Module- Comsol"

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Blimbaum, Jordan Matthew. "Finite element analysis of acoustic wave transverse to longitudinal coupling during transverse combustion instability." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44757.

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Velocity-coupled combustion instability is a major issue facing lean combustor design in modern gas turbine applications. In this study, we analyze the complex acoustic field excited by a transverse acoustic mode in an annular combustor. This work is motivated by the need to understand the various velocity disturbance mechanisms present in the flame region during a transverse instability event. Recent simulation and experimental studies have shown that much of the flame response during these transverse instabilities may be due to the longitudinal motion induced by the fluctuating pressure fiel
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Book chapters on the topic "FEA Acoustic Module- Comsol"

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Erbe, Christine, Alec Duncan, and Kathleen J. Vigness-Raposa. "Introduction to Sound Propagation Under Water." In Exploring Animal Behavior Through Sound: Volume 1. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97540-1_6.

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AbstractSound propagation under water is a complex process. Sound does not propagate along straight-line transmission paths. Rather, it reflects, refracts, and diffracts. It scatters off rough surfaces (such as the sea surface and the seafloor) and off reflectors within the water column (e.g., gas bubbles, fish swim bladders, and suspended particles). It is transmitted into the seafloor and partially lost from the water. It is converted into heat by exciting molecular vibrations. There are common misconceptions about sound propagation in water, such as “low-frequency sound does not propagate i
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Khashchanskiy, Victor I., and Andrei L. Kustov. "Acoustic Data Communication with Mobile Devices." In Mobile Computing. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-054-7.ch094.

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One of the applications of m-commerce is mobile authorization, that is, rights distribution to mobile users by sending authorization data (a token) to the mobile devices. For example, a supermarket can distribute personalized discount coupon tokens to its customers via SMS. The token can be a symbol string that the customers will present while paying for the goods at the cash desk. The example can be elaborated further—using location information from the mobile operator, the coupons can only be sent to, for example, those customers who are in close vicinity of the mall on Saturday (this will o
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Khashchanskiy, V. "Acoustic Data Communication with Mobile Devices." In Encyclopedia of Mobile Computing and Commerce. IGI Global, 2007. http://dx.doi.org/10.4018/978-1-59904-002-8.ch003.

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One of the applications of m-commerce is mobile authorization, that is, rights distribution to mobile users by sending authorization data (a token) to the mobile devices. For example, a supermarket can distribute personalized discount coupon tokens to its customers via SMS. The token can be a symbol string that the customers will present while paying for the goods at the cash desk. The example can be elaborated further—using location information from the mobile operator, the coupons can only be sent to, for example, those customers who are in close vicinity of the mall on Saturday (this will o
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Conference papers on the topic "FEA Acoustic Module- Comsol"

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Najar, Hadi, Babak Assadsangabi, Masoud Dahmardeh, and Edmond Cretu. "Combined FEA-Matlab Optimization of Capacitive Micromachined Ultrasound Transducer Cell." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39394.

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A novel approach to the design of a Capacitive Micromachined Ultrasound Transducer (CMUT) cells is presented, using a Genetic Algorithm (GA) based optimization that couples finite element simulations with parameter changes tuned through Matlab scripts. The optimization goal is a maximization of the CMUT efficiency in coupling the electrical, mechanical and acoustic energy domains. Global constraints are related to the pull-in actuation voltage, resonant frequency (set to 5–6MHz, suitable for biomedical applications) and limits on the achievable geometric dimensions. A CMUT is a relatively new
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Soloviev, Arcady, Anton Bychkov, and Maria Shevtsova. "Determination of Full Set Elastic Constants for Composite Materials on Basis of Frequency Response Analysis, FEA, and GA." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59556.

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The number of engineering problems includes the identification of anisotropic composite elastic constants determination. We developed an experimentally - analytical technique for identification of all elastic constants of orthotropic materials. The offered technique is substantially based on measurement of eigenfrequencies and semi quantitative analysis of natural vibration modes, instead of wave propagation speed and fields of vibrational displacement used by other acoustic methods. The developed method of the elastic composite and piezoelectric materials properties identification is implemen
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Patil, Chetan, Ratnakar Ghorpade, and Rajesh Askhedkar. "Effect of Air Gap, Thickness of Polyurethane (PU) Foam, and Perforated Panel on Sound Absorption Coefficient for Acoustic Structures." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-96880.

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Abstract There are many applications and sectors in today’s era where noise pollution is reaching very high levels. This prolonged noise exposure leads to a detrimental health effect. This may cause loss of concentration, working efficiency, headache, increased blood pressure level, annoyance, and even workplace accidents. Hence, the need to reduce the high noise level is becoming a significant issue. Varieties of absorbing materials are being used in the recent age for noise reduction and sound attenuation. Most of the acoustic enclosures consist of polyurethane foam as a sound absorber. The
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Van Hal, Willem, Oliver Goy, Kamel Amichi, Chadwyck Musser, Massimiliano Calloni, and Rabah Hadjit. "Coupled Boundary Element and Poro-Elastic Material Simulation Approach to Designing Effective Acoustic Encapsulation for Vehicle Components." In 13th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2956.

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<div class="section abstract"><div class="htmlview paragraph">To meet vehicle interior noise targets and expectations, components including those related to electric vehicles (EVs) can effectively be treated at the source with an encapsulation approach, preventing acoustic and vibration sources from propagating through multiple paths into the vehicle interior. Encapsulation can be especially useful when dealing with tonal noise sources in EVs which are common for electrical components. These treatments involve materials that block noise and vibration at its source but add weight an
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Siano, Daniela, Michela Costa, and Fabio Bozza. "Optimal Design of a Two-Stroke Diesel Engine for Aeronautical Applications Concerning Both Thermofluidynamic and Acoustic Issues." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68713.

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Some aspects concerning the development of a prototype of a diesel engine suitable for aeronautical applications are discussed. The engine aimed at achieving a weight to power ratio equal to one kg/kW (220 kg for 220 kW) is conceived in a two stroke Uniflow configuration and constituted by six cylinders distributed on two parallel banks. Basing on a first choice of some geometrical and operational data, a preliminary fluid-dynamic and acoustic analysis is carried out at the sea level. This includes the engine-turbocharger matching, the estimation of the scavenging process efficiency, and the s
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Thompson, Corey, Matt Gordon, Ajay P. Malshe, and Deep Gupta. "Development of Thermal Interface Materials for Harsh Environment Packaging of Superconducting Integrated Circuits." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40527.

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Superconducting integrated circuits (SCICs) require cooling to about 4 K for proper circuit operation. Current efforts are being made to transfer SCIC technology from lab experiments to viable consumer and military products. In order for this to be feasible, SCICs must function in cryogen-free closed-cycle refrigerator (or cryocooler) based systems. Design constraints for SCICs utilizing rapid single-flux-quantum (RSFQ) logic require a maximum temperature gradient across the package of less than 50 mK for proper circuit operation when implemented in cryocooler mounted systems. Also, to achieve
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Li, Weichang, Lei Fu, and Murtadha J. AlTammar. "Well Log Prediction Using Deep Sequence Learning." In International Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/igs-2022-184.

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Abstract Sonic logs including compressional and shear travel time logs (DTC and DTS, respectively) are important measurements for subsurface elastic and geomechanic property characterization. However, these log types are not always measured in practice or incomplete in many oil and gas wells for economic and other practical reasons. We propose to accurately predict these types of log data from the traditional common types of well log measurement data using deep sequence learning methods. After anomalous data removal and augmenting the ratio DTC/DTS as a new lithology differentiating feature, t
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