研究開発におけるマルチフィジックスシミュレーションの具体例

さまざまな業界のエンジニア, 研究者, 科学者がマルチフィジックスシミュレーションを使用して革新的な製品の設計とプロセスを研究および開発しています. COMSOL カンファレンスで発表したテクニカルペーパーやプレゼンテーションからインスピレーションを得てください. 以下の選択項目を参照するか, クイック検索ツールを使用して特定のプレゼンテーションを検索するか, アプリケーション領域でフィルタリングします.


COMSOL コンファレンス 2020 論文集を見る

Acoustics and Vibrationsx

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

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 ... 詳細を見る

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

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. ... 詳細を見る

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

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 ... 詳細を見る

Acoustic superscatterers for passive noise control new

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 ... 詳細を見る

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

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 ... 詳細を見る

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

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 ... 詳細を見る

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 ... 詳細を見る

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 ... 詳細を見る

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 ... 詳細を見る

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 ... 詳細を見る

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