Scopri come la simulazione multifisica viene utilizzata per ricerca e sviluppo

In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.


Visualizza gli articoli presentati alla COMSOL Conference 2020

Acoustics and Vibrationsx

Analytical, COMSOL Simulation Optimization Of Vibration-Based Energy Harvesters For EV Applications nuovo

Chandan Pandey1, Barun Pratiher1
1Indian Institute of Technology Jodhpur Rajasthan India 342037

Vibration-based Piezoelectric Energy harvesters convert ambient vibration energy into an applicable electrical charge for wireless sensors, IoT applications, and charging the battery, which is most important to range improvement of the Electric Vehicle. This study analyses different ... Per saperne di più

A Comparative Analysis of Transmission Loss in Helmholtz Resonators and Quarter Wave Resonators nuovo

Santosh Kumar Dasila1, Aswathy Surendran2, C. V. Krishnamurthy1, V. Subramanian1
1Department of Physics, Indian Institute of Technology Madras, Chennai, India 600036
2Department of Aerospace Engineering, Indian Institute of Technology Madras, Chennai, India

This study involves a comparative analysis focusing on the transmission loss (TL) exhibited by both the Helmholtz resonator (HR) and the quarter-wavelength resonator (QWR). These resonators are designed to attenuate sound energy specifically at their respective resonance frequencies. ... Per saperne di più

Underwater acoustic scattering studies on the sub-sea pressure housings nuovo

D. Nikhil Sai Prasanna1, A. Thirunavukkarasu1, A. Malarkodi1, G.Latha1
1Ocean Acoustics, National Institute of Ocean Technology, Ministry of Earth Sciences, Chennai, Tamil Nadu

This paper presents a finite element (FE) model of the scattering studies of cylindrical pressure housings made of different metallic alloys such as aluminium, stainless steel 316L and titanium. Understanding the acoustic scattering behavior of underwater objects helps in improving ... Per saperne di più

Acoustic superscatterers for passive noise control nuovo

Vineeth P R1, Prabhu Rajagopal2
1DRDO Young Scientists' Laboratory for Smart Materials, Hyderabad
2IIT Madras

This poster presents a passive noise control of sound emananted from a vibrating cylinder using acoustic superscatterers. Acoustic superscatterer is a type of metamaterial whose scattering cross-section is larger than its real size. Numerical studies are conducted using pressure ... Per saperne di più

Studies on the effects of interfering structural vibrations on underwater Acoustic Vector Sensor nuovo

Sandhya Prajapati1, Arun Kumar1, Rajendar Bahl1
1Centre for Applied Research in Electronics, Indian Institute of Technology, Delhi, New Delhi-110016, India

In this paper, we report FEM studies of the effect of unwanted interfering structural vibrations on the performance of an underwater Acoustic Vector Sensor (AVS) performed in the COMSOL Multiphysics simulation tool. An AVS is a compact sensor that measures a four-dimensional vector ... Per saperne di più

Beams-driven structures for piezoelectric energy harvesting/sensor and piezoelectric actuator nuovo

Balija Upendra1, Brajesh Kumar Panigrahi1
1Department of Mechanical Engineering, Birla Institute of Technology and Science - Pilani, Hyderabad Campus, Telangana, India-500078

Beams-driven structures are structures that use beams to support their weight. The beams are typically arranged in a way that distributes the weight of the structure evenly. Beams-driven structures are often used in buildings, bridges, and other complicated structures. Beams-driven ... Per saperne di più

Design of One-Dimensional Acoustic Meta-Filter with Multiple Resonators

M. S. Kim1, J. Y. Lee1
1CAE Solution Team, ALTSOFT, Gangnam-gu, Seoul, Republic of Korea.

New design structure for generating and tuning the multi-bands of negative modulus is presented by introducing metamaterial concept. To effectively achieve selective noise reduction and sound transmission, acoustic metamaterial consisted of arrayed multiple resonators with extended necks ... Per saperne di più

Visualization of a Noise Barrier for Educational Purposes Using a COMSOL App

Y. Heggemann1, T. Breitkreutz1
1Hochschule Mittweida

The COMSOL® app library of the Technical University of Munich is a collection of applications for simulating acoustic phenomena. They are used in the teaching of acoustics to visually represent fundamental vibrational aspects and provide learners with a visual understanding. In the ... Per saperne di più

Introducing Kaleidosim cloudCompanion for COMSOL Multiphysics®

Darren Sharman1, Viktor Lienhard 2
1Kaleidosim, Zurich, Switzerland
2Zurich University of applied sciences, Zurich, Switzerland

To this day seamless accessibility of local or cloud hardware for high performance computing as well as time consuming workflows involving sequencing and orchestration of available hardware for multiple simulation runs, remain limiting factors within the field of Multiphysics simulation ... Per saperne di più

Complete Design of a High Power Ultrasonic Flow-Cell Reactor with Special Air Cooling System

Lorenzo Spicci1
1Everywave Srl

Ultrasonic flow-cell reactors are used for many industrial applications, where fluid substrate is sonicated in a small region, where very high ultrasonic acoustic power is present. The electromechanical transducer (converter) that drive the sonotrode inside the flow-cell is designed in ... Per saperne di più

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