Search Results - "Wang, Semyung"

Topography optimization of an enclosure panel for low-frequency noise and vibration reduction using the equivalent radiated power approach by Kim, Hyun-Guk, Nerse, Can, Wang, Semyung

“…An enclosure panel is widely used in industrial applications. The panel under a dynamic loading excites the surrounding air medium and noise is radiated into…”
Get full text

Topological Shape Optimization of Permanent Magnet in Voice Coil Motor Using Level Set Method by Lee, Jangwon, Wang, Semyung

“…In this paper, a voice coil motor is optimized using the single-phase and the multi-phase level set method, and the magnetic saturation effect is considered in…”
Get full text

Systematic realization of double-zero-index phononic crystals with hard inclusions by Hyun, Jaeyub, Choi, Wonjae, Wang, Semyung, Park, Choon-su, Kim, Miso

“…A systematic process is described to realize double-zero-index phononic crystals with Dirac-like points experimentally. This type of crystal normally has…”
Get full text

Topology optimization of bounded acoustic problems using the hybrid finite element-wave based method by Goo, Seongyeol, Wang, Semyung, Kook, Junghwan, Koo, Kunmo, Hyun, Jaeyub

“…This paper presents an alternative topology optimization method for bounded acoustic problems that uses the hybrid finite element-wave based method (FE-WBM)…”
Get full text

Derivation and Validation of Bandgap Equation Using Serpentine Resonator by Yu, Junmin, Jung, Jaesoon, Wang, Semyung

“…Bandgap refers to a frequency band where free waves do not propagate. One of the characteristics of a bandgap is its ability to block the propagation of…”
Get full text

Dynamic analysis and optimal design of a passive and an active piezo-electrical dynamic vibration absorber by Kim, Sang-Myeong, Wang, Semyung, Brennan, Michael J.

“…This paper is concerned with the dynamic analysis and parameter optimization of both passive and active piezo-electrical dynamic vibration absorbers that are…”
Get full text

Acoustical topology optimization for Zwicker’s loudness model – Application to noise barriers by Kook, Junghwan, Koo, Kunmo, Hyun, Jaeyub, Jensen, Jakob S., Wang, Semyung

“…Traditionally, the objective of design optimization of an acoustic system is to reduce physical acoustic properties, i.e., sound pressure and power. However,…”
Get full text

Electroacoustic Absorber Using Disturbance-Observer-Type Velocity Estimator by Cho, Youngeun, Wang, Semyung, Park, Kyihwan

“…An electroacoustic absorber (EA) using the direct impedance control (DIC) technique for broadband noise reduction requires a pair of pressure and velocity…”
Get full text

Maximization of acoustic energy difference between two spaces by Shin, Mincheol, Lee, Sung Q, Fazi, Filippo M, Nelson, Philip A, Kim, Daesung, Wang, Semyung, Park, Kang Ho, Seo, Jeongil

“…There has recently been an increasing interest in the generation of a sound field that is audible in one spatial region and inaudible in an adjacent region…”
Get full text

Development of a Personal Audio Performance Controller With Efficient, Fine, and Linear Tunable Functions by Ryu, Homin, Wang, Semyung, Kim, Seon Man

“…Personal audio provides an independent sound space that can reduce auditory disturbances by creating a listening zone with the desired sound field and a quiet…”
Get full text

Optimal Filter Design of a Virtual Mechanical Impedance Control System for Multifrequency Active Sound Power Reduction of Enclosure Panels by Jeon, Onyu, Kim, Hyun-Guk, Wang, Semyung

“…An optimal filter design method for a virtual mechanical impedance (VMI) control system is presented in this report. Existing passive methods for reducing…”
Get full text

Acoustic-Based Position Estimation of an Object and a Person Using Active Localization and Sound Field Analysis by Kim, Kihyun, Wang, Semyung, Ryu, Homin, Lee, Sung Q.

“…This paper proposes a new method to estimate the position of an object and a silent person with a home security system using a loudspeaker and an array of…”
Get full text

Horizontal Active Noise Control Based on Wave Field Reproduction Using a Single Circular Array in 3D Space by Ha, Sangwoo, Kim, Jungwoo, Kim, Hyun-guk, Wang, Semyung

“…In this paper, we propose horizontal active noise control (ANC) using two-dimensional wave field information alone. By reducing the control space to a…”
Get full text

Multidisciplinary Analysis and Multiobjective Design Optimization of a Switched Reluctance Motor for Improving Sound Quality by Kim, Hyungwoo, Nerse, Can, Lee, Jongsuh, Wang, Semyung

“…In this study, the design optimization method for improving sound quality (SQ) of a switched reluctance motor (SRM) is proposed. The multidisciplinary finite…”
Get full text

Active structural acoustic control for radiated sound power reduction of enclosure with vent holes based on radiation modes by Jeon, Onyu, Kim, Hyun-Guk, Kook, Junghwan, Kim, Seon Man, Wang, Semyung

“…The radiated sound power in an enclosure with a vent hole is actively controlled by radiation mode. Active structural acoustic control (ASAC), which generates…”
Get full text

A Numerical and Experimental Study on an Interconnected Metamaterial for Flexural Vibration Control Based on Modal Strain Energy by Kim, Hyun-Guk, Jeon, Onyu, Wang, Semyung

“…In this study, an interconnected metamaterial was proposed to suppress flexural vibration. The interconnected metamaterial can improve the manufacturing and…”
Get full text

3-D Vibration Measurement Using a Single Laser Scanning Vibrometer by Moving to Three Different Locations by Dongkyu Kim, Hajun Song, Khalil, Hossam, Jongsuh Lee, Semyung Wang, Kyihwan Park

“…3-D vibration measurement is achieved using a single laser scanning vibrometer (LSV) and laser scanner (LS) by moving them to three arbitrarily different…”
Get full text

Topology optimization of electromagnetic systems considering magnetization direction by Semyung Wang, Youn, D., Moon, H., Kang, J.

“…The topology optimization of electromagnetic (EM) systems considering the effect of the magnetization direction in the magnet is investigated using the finite…”
Get full text

Topology Optimization of a Magnetic Resonator Using Finite-Difference Time-Domain Method for Wireless Energy Transfer by Kim, Hyungwoo, Lee, Jangwon, Lee, Jongsuh, Hyun, Jaeyub, Wang, Semyung

“…In this paper, a magnetic resonator for wireless energy transfer system is designed using topology optimization based on an electromagnetic wave analysis. To…”
Get full text

Efficient topography optimization of a washing machine cabinet to reduce radiated noise during the dehydration process by Kim, Hyun-Guk, Nguyen, Toan Mihn, Lee, Giseok, Lim, Cheolseung, Wang, Semyung

“…In modern society, the use of washing machines has increased owing to increased interest in personal hygiene. Over the years, the performance of washing…”
Get full text