• 제목/요약/키워드: 3D Textile

검색결과 495건 처리시간 0.023초

3D 가상착의 시스템에 의한 비만 중년여성의 토르소 원형설계에 관한 연구 (A Development of the Torso Pattern for Obese Middle-aged Women from 3D Virtual Garment Simulation)

  • 임지영
    • 한국의류산업학회지
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    • 제12권1호
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    • pp.86-93
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    • 2010
  • The purpose of this study was to develop torso pattern of Middle-aged obese women by using the virtual twin and 3D virtual garment simulation system. The results were as follows; 1. By using 3D Virtual Garment Simulation, new torso pattern considered obese women was development. The basic numerical formula were as follows ; bust girth B/2+5, armhole depth B/6+5, front waist girth W/4+2+0.5, back waist girth W/4+1-0.5, front hip girth H/4+1+0.5, back hip girth H/4+2-0.5, chest width B/6+2.5, back width B/6+2.5 and back neck width B/20+2.5. 2. According to the results of the new torso pattern's appearance evaluation, it estimated more highly than existing pattern in silhouette and ease amount, confirming that new torso pattern is appropriate for the obese women. Also, new torso pattern was evaluated to allow proper space length of bust, waist, abdomen and hip. Virtual models production through 3D body scan data, pattern draft and virtual garment digital program were applied to prototypic design method so as to enhance the fitness of ready-made garments. This study is expected to serve as one of important basic data for ensuing studies that may utilize 3D Virtual Garment Simulation System with 2D patterns, and also for future 3D Pattern Production Program development.

채우기 밀도별 형상 기억 TPU 3D 프린팅 Re-entrant 스트립의 특성 분석 (Characterization of 3D Printed Re-entrant Strips Using Shape Memory Thermoplastic Polyurethane with Various Infill Density)

  • 정임주;이선희
    • 한국의류산업학회지
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    • 제24권6호
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    • pp.812-824
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    • 2022
  • This study proposes to develop a 3D printed re-entrant(RE) strip by shape memory thermoplastic polyurethane that can be deformed and recovered by thermal stimulation. The most suitable 3D printing infill density condition and temperature condition during shape recovery for mechanical behavior were confirmed. As the poisson's ratio indicated, the higher the recovery temperature, the closer the poisson's ratio to zero and the better the auxetic properties. After recovery testing for five minutes, it appeared that the shape recovery ratio was the highest at 70℃. The temperature range when the shape recovery ratio appeared to be more than 90% was a recovery temperature of more than 50℃ and 60℃ when deformed under a constant load of 100 gf and 300 gf, respectively. This indicated that further deformation occurred after maximum recovery when recovered at a temperature of 80℃, which is above the glass transition temperature range. As for REstrip by infill density, a shape recovery properties of 100% was superior than 50%. Additionally, as the re-entrant structure exhibited a shape recovery ratio of more than 90%, and exhibited auxetic properties. It was confirmed that the infill density condition of 100% and the temperature condition of 70℃ are suitable for REstrips for applying the actuator.

박물관에서 분리된 세균에 대한 은행잎 추출물의 항균활성 (Antibacterial Activities of Ginkgo Biloba Leaves Extracts Against Isolated Bacteria from Museums)

  • 권영숙;조현혹;정성윤;이상엽;김민주;조순자;이상준
    • 한국환경과학회지
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    • 제15권10호
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    • pp.983-988
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    • 2006
  • The textile remains have been affected largely by environmental factors including microorganisms because they were composed of organic compounds to be easy to damage. So, we selected 8 strains of the 131 isolated strains from museum environments and textile remains by high pretense activity, and identified them for measuring the antibacterial activity of Gingko biloba extracts. They were identified Genus Arthrobacter spp. 3 strains (Arthrobacter nicotiannae A12, Arthrobacter sp B12, Arthrobacter oxidans B13), Cenus Bacillus spp. 2 strains (Bacillus licheniformis D9, Bacillus cereus D33), Genus Pseudomonas spp. 2 strains (Pseudomonas putida A24, Pseufomonas fluorescene C21) and a Genus Staphylococcus sp. 1 strain (Staphylococcus pasteuri D3) as closest strains through the blast search of NCBI. Though antibacterial activity of the extracts of Gingko biloba leaves as MIC was lower than that of other pharmaceutical antibiotics. However the extracts was crude extracts, the extracts might have good antibacterial against most of the isolates from museum. Especially, the antifungal activity of Gingko biloba is known previously, the extracts of Gingko biloba leaves has possibility of usage as a good natural material for conservation of remains.

3D 프린팅 손가락 모형의 동작 제어에 관한 연구 (A Study on the Motion Control of 3D Printed Fingers)

  • 정임주;박예은;최영림;김종욱;이선희
    • 한국의류산업학회지
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    • 제24권3호
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    • pp.333-345
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    • 2022
  • This study developed and evaluated the motion control of 3D printed fingers applied to smart gloves. Four motions were programmed by assembling the module using the Arduino program: cylindrical grasping, spherical grasping, tip-to-tip pinch gripping, and three-jaw pinch gripping. Cap and re-entrant (RE) strip types were designed to model the finger. Two types of modeling were printed using filaments of thermoplastic elastomer (TPE) and thermoplastic polyurethane (TPU). The prepared samples were evaluated using three types of pens for cylidrical grasping, three types of balls for spherical grasping, and two types of cards for tip-to-tip pinch gripping and three-jaw pinch gripping. The motion control of fingers was connected using five servo motors to the number of each control board. Cylindrical and spherical grasping were moved by controlling the fingers at 180° and 150°, respectively. Pinch gripping was controlled using a tip-to-tip pinch motion controlled by the thumb at 30° and index-middle at 0° besides a three-jaw pinch motion controlled by the thumb-index finger-middle at 30°, 0°, and 0°, respectively. As a result of the functional evaluation, the TPE of 3D-printed fingers was more flexible than those of TPU. RE strip type of 3D-printed fingers was more suitable for the motion control of fingers than the 3D-printed finger.

Decamethylene Spacer를 가지는 Thermotropic Copoly (ester amide)s의 합성과 구조해석 (Syntheses of Thermotropic Liquid-Crystalline Copoly (ester amide)s Containing a Decamethylene Spacer in the Main Chain and Their Properties)

  • Song, Jin-Cherl;Kim, Kyung-Hwan;Uryu, Toshiyuki
    • 한국염색가공학회지
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    • 제3권1호
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    • pp.28-36
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    • 1991
  • Thermotropic behavior was observed in a number of aromatic copoly (ester amide)s containing a flexible spacer based on 4,4'$-dicarboxyalpha,\varpi-diphenoxy$ alkanes as an A component, di-acetylated p-aminophenol as a B, di-acetylated hydroquinone as a C gave the thermotropic copoly (ester amide)s containing a flexible spacer in the polymer backbone. 4,4'-diamino-3,3'-dimethoxybiphenyl as an amino group containing monomer as a D components. In the last case, up to 60 mol% of amide group was allowed to afford thermotropic liquid-crystallinity. The polymer structure and thermotropic nature were examined by solid-state and solution $^{13}C$ NMR spectroscopy, differential scanning calorimeter, polarizing microscopy, and IR spectroscopy.

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3D 패션코디를 위한 한국인 3D 모델DB와 인체 변형 (Korean 3D Models DB and Body Deformations for 3D Fashion Coordination)

  • 최우혁;신민영;최창석;김효숙
    • 한국정보처리학회:학술대회논문집
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    • 한국정보처리학회 2001년도 춘계학술발표논문집 (하)
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    • pp.1217-1220
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    • 2001
  • 본 논문에서는 한국인의 3D 모델을 구성하고, 개인 체형에 따라 3D 모델을 변형하여, 3D 패션코디 방법을 제안하고 있다. 한국인에 대한 다양한 체형을 표현하기 위하여, 성별, 체형별, 나이별로 세분화하여 3D 모델 36종을 구성하고 있다. 개인 체형에 대한 3D 모델을 얻기 위해 구성된 3D 모델의 높이 12 항목, 넓이 6항목, 두께 5항목, 둘레 13항목을 변형하고 있다. 나아가서, 셔츠와 치마의 의복 3D 모델의 체형변화에 따라 의복 3D 모델을 정합하고 있다.

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패션텍스타일 디자인의 디지털화 연구 -디지털화에 따른 패션텍스타일 CAD디자인의 활용가치 연구- (A Study on Digitalization of Fashion Textile Design - A Study of Fashion Textile CAD Design According to Digitalization -)

  • 강혜승;권민희
    • 디자인학연구
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    • 제17권1호
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    • pp.289-298
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    • 2004
  • 패션텍스타일 산업의 미래를 제시할 수 있는 패션텍스타일 전용 CAD 시스템의 개발은 디지털 기술의 발달과 함께 가속화되고 있다. 이러한 디지털 문화 기반의 구축은 패션텍스타일 산업에서도 고부가가치의 상품개발과 신속한 생산체제의 변화가 요구되며, 이런 욕구에 충족할 수 있는 전용 프로그램들이 개발되고 있다. 본 연구에서는 디지털 패션텍스타일의 변화와 디자인 시스템의 구성과 특징을 고찰하고 디지털 패션텍스타일 디자인 전개방법을 비교분석하였다. 또한 기존 그래픽프로그램과 차별화되어 개발되고 있는 창의적인 디지털 패턴디자인의 전개와 변형, 적합한 직물 텍스츄어의 표현, 3D모델링을 통한 시뮬레이션효과를 체계적으로 정립하였다. 패션텍스타일 CAD시스템의 활용을 디자인적 측면과 생산적인 측면으로 나누어 패션텍스타일 디자인 전용 CAD의 활용 가치를 높이는데 중점을 두었다.

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한국 여성 노인 3D 스캔 데이터를 활용한 피트니스 동작별 체표면적 분석 (Analysis of Body Surface Area by Fitness Motion Using 3D Scan Data of Korean Elderly Female)

  • 전은진;정하영;김희은;유희천
    • 한국의류산업학회지
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    • 제22권5호
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    • pp.650-659
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    • 2020
  • The present study provides reference data required for the design of clothing for the elderly by analyzing the body surface area during fitness motion based on 3D scan data of Korean elderly women. This study was conducted with the procedures of (1) survey of motions and main muscles for fitness, (2) acquisition of 3D scan data, and (3) analysis of rate of change for body surface area during fitness motion. Acquisition of 3D body scan data was obtained from seven elderly females (age: 64-77). We selected 66 anatomical landmarks (40 upper body and 22 lower body) by referring to previous studies. Body surface was segmented by connecting the landmarks marked on the 3D scan data acquired. Analysis of body surface area was conducted in terms of the change rate of surface area in 9 postures of elbow 0°, 90° and 180° for flexion, shoulder 90°, 180° for flexion, shoulder 0°, 180° for abduction, hip 90° for flexion, and knee 90° for flexion compared to the those in the standing posture. The amount of changes in body surface area were 12%-62% in the upper body, 15%-77% in the arm, and 10%-51% in the lower body. A future study on the rate of change of body surface length is needed; in addition, a study on how to apply the results of body surface area and body surface length analysis to clothing pattern design is also necessary.

Calculation and Analysis of Hydrophobicity of the Dyes Synthesized for Unmodified Polypropylene Fibers Using Molecular Descriptors

  • Kim, Tae-Kyeong;Jang, Kyung-Jin;Jeon, Seon-Hee
    • 한국염색가공학회지
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    • 제21권5호
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    • pp.21-26
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    • 2009
  • In order to analyze numerically the hydrophobicity of the new dyes synthesized for unmodified pure polypropylene fibers, the octanol-water partition coefficient (logP), which is one of molecular descriptors representing hydrophobicity of organic compounds, was obtained by a semi-empirical method using Chem3D software. For the dyes of higher logP than around 5, the affinity of the dyes towards unmodified polypropylene fiber was substantial. In contrast to the new dyes for polypropylene, conventional disperse dyes have logP values lower than 5 and exhibited poor affinity.

How to Get New Apparel Industry with Changing from Desire of Purchasing to Desire of Kansei Exchange : Part 1. An Interactive Body Model for Individual Pattern Making

  • Takatera, Masayuki;Cho, Young-Sook;Park, Hye-Jun;Shimizu, Yoshio
    • 복식문화학회:학술대회논문집
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    • 복식문화학회 2005년도 Joint International Conference
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    • pp.48-54
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    • 2005
  • In order to mass-customize clothes, it is essential to take into account individual body shape using computerized 3D body models. This paper describes the development of an interactive body model that can be altered to match individual body perimeter, postures and depth for the purpose of computerized pattern making. Construction of the body model requires the extraction of necessary points, adjustment of coordinate points, linking of points by spline curves, control of section lengths and selectability of various hip types. Front to back depth of the model is adjusted by scaling ratio. We had a great result for controlling perimeter, posture and depth of body shapes. The results support the adaptability and potential usefulness of the posture and depth adjustable body model.

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