Search Results - "Goo, N. S."

Modification of a Four-Bar Linkage System for a Higher Optimal Flapping Frequency by Truong, Q.T., Nguyen, Q.V., Park, H.C., Byun, D.Y., Goo, N.S.

“…The goal of this work is to increase the optimal flapping frequency, at which the flapper produces maximum vertical force, of a previously developed flapper…”
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Anisotropy and non-homogeneity of an Allomyrina Dichotoma beetle hind wing membrane by Ha, N S, Jin, T L, Goo, N S, Park, H C

“…Biomimetics is one of the most important paradigms as researchers seek to invent better engineering designs over human history. However, the observation of…”
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A modified blade element theory for estimation of forces generated by a beetle-mimicking flapping wing system by Truong, Q T, Nguyen, Q V, Truong, V T, Park, H C, Byun, D Y, Goo, N S

“…We present an unsteady blade element theory (BET) model to estimate the aerodynamic forces produced by a freely flying beetle and a beetle-mimicking flapping…”
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Static and Dynamic Characteristics of an Artificial Wing Mimicking an Allomyrina Dichotoma Beetle’s Hind Wing for Flapping-Wing Micro Air Vehicles by Ha, N. S., Nguyen, Q. V., Goo, N. S., Park, H. C.

“…The development of flapping-wing micro air vehicles for many applications, such as hazardous environment exploration, reconnaissance, and search and rescue,…”
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Characteristics of an Insect-mimicking Flapping System Actuated by a Unimorph Piezoceramic Actuator by Nguyen, Viet-Quoc, Syaifuddin, M., Park, H.C., Byun, D.Y., Goo, N.S., Yoon, K.J.

“…This study introduces an insect-mimicking flapping-wing system, where the rotation, corrugation, and clapping of insect wings have been mimicked. Unlike most…”
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Performance evaluation of lightweight piezo-composite actuators by Kim, K.Y., Park, K.H., Park, H.C., Goo, N.S., Yoon, K.J.

“…This paper is concerned with the performance evaluation and comparison for several kinds of lightweight piezo-composite actuator (LIPCA) device system. LIPCA…”
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Three-dimensional cure simulation of composite structures by the finite element method by Park, Hoon Cheol, Goo, Nam Seo, Min, Kyung Jae, Yoon, Kwang Joon

“…In this paper, a finite element formulation for three-dimensional cure simulation of composite structures is introduced and a three-dimensional finite element…”
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Modal Analysis Using Digital Image Correlation Technique: An Application to Artificial Wing Mimicking Beetle’s Hind Wing by Ha, N. S., Vang, H. M., Goo, N. S.

“…Understanding the dynamic behavior of structures has become increasingly important in the design process of any mechanical system. Therefore, the demands for…”
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Modal Analysis Using a Virtual Speckle Pattern Based Digital Image Correlation Method: An Application for an Artificial Flapping Wing by Doan, N. V., Le, V. T., Park, H. C., Goo, N. S.

“…Background A conventional three-dimensional digital image correlation (DIC) based on painted speckle patterns has been used widely as a non-contact measurement…”
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A study of the thermal buckling behavior of a circular aluminum plate using the digital image correlation technique and finite element analysis by Jin, T.L., Ha, N.S., Goo, N.S.

“…In this study, the thermal buckling behavior of a circular aluminum plate that results from thermal loading was investigated using a digital image correlation…”
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Piezoelectric Actuator–Sensor Analysis using a Three-Dimensional Assumed Strain Solid Element by Lee, Sangki, Cho, Byung C., Park, Hoon C., Goo, Nam S., Yoon, Kwang J.

“…This paper presents a piezoelectric solid element that can be used for modeling thin sensors and actuators. The element has been extended from an eighteen-node…”
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The effect of curvature on the dynamic response and impact-induced damage in composite laminates by Kim, Seung Jo, Goo, Nam Seo, Kim, Tae Won

“…This paper investigates the dynamic behavior and impact-induced damage of laminated composite structures. Special attention is given to curved structures,…”
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Modeling and analysis for the development of Lightweight Piezoceramic Composite Actuators (LIPCA) by Haris, Andi, Goo, Nam Seo, Park, Hoon Cheol, Yoon, Kwang Joon

“…This paper focuses on the modeling and analysis of Lightweight Piezoceramic Composite Actuators (LIPCA) for developmental purposes. A simple analytical model…”
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Application of two-state M-integral for analysis of adhesive lap joints by Lee, Yongwoo, Goo, Nam Seo, Im, Seyoung

“…With the aid of the two‐state M‐integral and finite element analysis, the asymptotic solution in terms of the complete eigenfunction expansion is obtained for…”
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Behaviors and Performance Evaluation of a Lightweight Piezo-Composite Curved Actuator by Goo, Nam Seo, Kim, Cheol, Kwon, Young-Doo, Yoon, Kwang Joon

“…The present study investigates the behavior and performance of the recently proposed LIPCA actuator. As such, a reliable finite element program that can…”
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Thermal Stress Measurement of a Double Ring Structure Using Digital Image Correlation Method by Jin, T. L., Lee, S. H., Goo, N. S.

“…Structures under a wide range of temperatures have been challenged by thermal problems. In order to assess the safety of structures in a thermal environment,…”
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A parametric study to determine the behavior of lightweight piezo-composite curved actuators used in micro aerial vehicle applications by NAM SEO GOO, HARIS, Andi, HEE CHUL HWANG, PARK, Hoon C, JOON YOON, K

“…This paper focuses on a parametric study to determine the behavior of LIPCA when used in control surfaces of MAVs. We developed two MAVs, Spot in 2002 and…”
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Dynamic contact responses of laminated composite plates according to the impactor's shapes by Kim, Seung Jo, Goo, Nam Seo

“…The dynamic contact behaviors of laminated composite plates by a rigid elliptic impactor are discussed. To impose the dynamic contact conditions, the simple…”
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Formula for Stiffness of Bolted-Joint Members with Sleeve and Its Applications by Kwon, Y. D, Goo, Nam Seo, Yun, T. H, Park, J. K

“…In the case of mechanical structures joined by bolts and nuts, many studies have been conducted on the stiffness of the joined members. Accordingly, an…”
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Effect of an Artificial Caudal Fin on the Performance of a Biomimetic Fish Robot Propelled by Piezoelectric Actuators by Heo, Seok, Wiguna, Tedy, Park, Hoon Cheol, Goo, Nam Seo

“…This paper addresses the design of a biomimetic fish robot actuated by piezoceramic actuators and the effect of artificial caudal fins on the fish robot's…”
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