• Title/Summary/Keyword: body part

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Development of $5^{th}$ percentile female finite Element Model for Crashworthiness Simulation - Part I Articulated Rigid Body Model (충돌 안전도 해석을 위한 $5^{th}$ percentile 성인 여성 유한요소 모델 개발 - Part I 다물체 동력학 모델 개발)

  • 나상진;최형연;이진희
    • Journal of Biomedical Engineering Research
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    • v.25 no.4
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    • pp.277-282
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    • 2004
  • In order to investigate the small female occupant behavior and accompanying injury mechanisms in vehicular trash event, a finite element model of $5^{th}$ percentile female has been developed. The model consists of articulated rigid body, which represents the morphology of small female body, and internal components with anatomical details. Articulated rigid body model serves as a basic platform for joining the detail internal skeletons and organs, while itself can be used for representing the overall kinematics of small female occupant. The modeling details such as anthropometry and finite element structure as well as validation results for the articulated rigid body model are introduced in this paper. The second part of the modeling, i.e. the internal components with anatomical details of small female are presented in subsequent part II of the paper.

A Classification Model for Predicting the Injured Body Part in Construction Accidents in Korea

  • Lim, Jiseon;Cho, Sungjin;Kang, Sanghyeok
    • International conference on construction engineering and project management
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    • 2022.06a
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    • pp.230-237
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    • 2022
  • It is difficult to predict industrial accidents in the construction industry because many accident factors, such as human-related factors and environment-related factors, affect the accidents. Many studies have analyzed the severity of injuries and types of accidents; however, there were few studies on the prediction of injured body parts. This study aims to develop a classification model to predict the part of the injured body based on accident-related factors. Construction accident cases from June 2018 to July 2021 provided by the Korea Construction Safety Management Integrated Information were collected through web crawling and then preprocessed. A naïve Bayes classifier, one of the supervised learning algorithms, was employed to construct a classification model of the injured body part, which has four categories: 1) torso, 2) upper extremity, 3) head, and 4) lower extremity. The predictor variables are accident type, type of work, facility type, injury source, and activity type. As a result, the average accuracy for each injured body part was 50.4%. The accuracy of the upper extremity and lower extremity was relatively higher than the cases of the torso and head. Unlike the other classifications, such as spam mail filtering, a naïve Bayes classifier does not provide a good classification performance in construction accidents. The reasons are discussed in the study. Based on the results of this study, more detailed guidelines for construction safety management can be provided, which help establish safety measures at the construction site.

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A Study on the Body Welding Operation Scheduling Considering the Assembly Line's Input Sequence in Construction Equipment Manufacturing (건설기계 조립 라인 투입 순서를 고려한 제관 공정 생산 스케줄링에 관한 연구)

  • Kim, Ki-Dong;Choi, Ho-Sik
    • Journal of Industrial Technology
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    • v.27 no.A
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    • pp.69-76
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    • 2007
  • The body of an excavator, one sort of the construction equipment, consists of mainframe part, track frame part, boom part and arm part. The all parts are manufactured in the body welding operation. The scheduling in the body welding operation of a construction equipment manufacturing is to take all the various constraints into consideration. The offset time, due date, daily capacity of operations, daily jig's capacity, precedence relation, outsourcing, alternative resource and all of the shop floor environment should be considered. An APS(Advanced Planning & Scheduling) system is a proper and efficient system in such circumstance. In this paper, we present an APS system, the optimal scheduling system for the construction equipment manufacturing specifically for the body welding operation, using ILOG Solver/Scheduler. ILOG Solver/Scheduler is a general purposed commercial software which supports to find a feasible or optimal solution using object oriented technique and constraints satisfaction programming, given constraints and objectives.

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A Study on the Middle Age Women′s the Body Type and the Degree of Satisfaction with Their Body (중년여성의 체형 분석 및 체형별 신체만족도)

  • 박종희;류숙희
    • The Research Journal of the Costume Culture
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    • v.12 no.1
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    • pp.121-135
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    • 2004
  • The purpose of this study is to analyze the image evaluation and the preference of tailored jacket according to the body type and the degree of satisfaction with their body of middle-aged women. The subjects used for this study were three hundred and twenty three middle-aged women ranging from 35 to 50 years old. We measured their bodies and asked them report to the questionnaire. The results are as follows. 1) Middle-aged women were classified into four typical types of body. The type 1 was tall and thin and had a front view silhouette with the form of a letter X. The type 2 was the tallest and the medium of fatness and had a front view silhouette with the form of a letter H that the lower part of the body is short. The type 3 was the medium of height and width and had a front view silhouette with the form of a letter A that the upper part of the body is short compared with their height. The type 4 were the shortest and the fattest and had a front view silhouette with the form of a letter Y that the lower and upper parts of the body is the longest. 2) Middle-aged women roughly tended not to be satisfied with part of their body. The results showed that a neck was the most satisfied body part and the weight was the least satisfied as well as overall leg shape among all 13 body parts. 3) The type 1 had the highest the degree of satisfaction on their face size, upper arm girth, waist, hip girth, weight and body shape, etc., excepting hip shape among 4 body types.

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Pattern Grading 법(法)의 원리(原理)와 분석(分析)

  • Kim, Hye-Sun
    • Journal of the Korean Society of Costume
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    • v.11
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    • pp.5-30
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    • 1987
  • This thesis attempts to contribute to analyze the methods of pattern grading which is in common fashion in America and Japan and to make the foundation for the basic technique of pattern grading fitting to Korean body shape. There are two types in pattern grading. The results are as follows: 1) The pattern grading according to body shape contains A, B, C, D, F, and G. A is suitable for the bulging part of a body and F is the most suitable for the general part of a body. 2) The pattern grading not depending on body shape has no relation to the quantity of grading in the size of a body but includes silhouettes or design details. The standards of its methods are as follows: a) by the part of body b) by the balance of whole pattern c) by adjusting to the mutual balance of besign details.

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Recognition of Body Weight and Body Part Satisfaction in Female College Students (여대생들의 체중에 대한 인식과 신체 부위별 만족도)

  • Kim, Mi-Ok;Eun, Jong-Geuk;Chang, Un-Jae
    • The Korean Journal of Food And Nutrition
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    • v.22 no.2
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    • pp.205-214
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    • 2009
  • Diet is an important focus in solidifying the fundamentals of health; thus, it is necessary to offer and manage accurate and correct information. This study examined the effects of body part satisfaction and attitude on diet, in female college students, who are known to be very interested in their appearances and tend to have a strong propensity to consume. The data were gathered using questionnaires answered by 101 female college students living in Daegu City, after classifying the women into normal weight and overweight groups, respectively. According to the analyzed results, there were no significant differences in satisfaction by body part between the normal weight and overweight groups, however, both groups were found to be dissatisfied with the following body parts, in the order of: thighs > legs > and hips. The motivation factors for weight control were found to be in order: not having a boyfriend > lacking of confidence > seeing slender entertainment stars, and there were no significant differences between the two groups. Finally, the main reasons for weight control were in order: appearance > health > getting a job. It is anticipated that these results will contribute to preparing systematic solutions to promote healthy diets and body satisfaction in society, and will help bring a desirable change in perceptions about diet.

Classification of Lower Body for Pre-School Children′ Apparel Design (유아복 설계를 위한 하반신 체형 분류)

  • 박찬미
    • The Research Journal of the Costume Culture
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    • v.6 no.4
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    • pp.74-83
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    • 1998
  • The purpose of this study was to extract information of lower body type's classification on pre-school children. To this end, 325 younger children living in the capital area and aged from 4 to 6 were sampled to be subject to the measurement of their somatotypes. The results are as follows. 1. The changes in the physical types of pre-school children, as they growing older, show the following tow peculiarities, first, in terms of vertical change, the height grows so rapidly that the proportion of the lower part of the body gets longer. And second, in terms of horizontal change, their growth is more distinctive in the width and the girth than in the thickness, which transforms their body into more or loss a dumpy form. 2. The analysis of the lower body of pre-school children allows us to distinguish two types of group. The first type has a smaller body, short in every part of body, which represents the body of four year-old children. On the contrary, the second type show much bigger body, especially the lower part of the body having a longer proportion, and it represents the body of six year-old children. the physical type and the gender have no relation, which means that we cna fidn both male and female children uniformly in both types.

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The Method of medical Infrared Thermographic imaging using an Infrared LED Lamps (적외선 LED 램프를 이용한 적외선 체열 영상 진단)

  • Song, M.J.;Ryu, S.M.;Soo, B.M.;Kim, J.S.;Choi, W.S.;Park, C.B.;Kim, T.W.
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2010.06a
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    • pp.282-282
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    • 2010
  • LED Device was designed of electronic circuits of electrical power part for used Pspice student version and used Infrared LED lamps of load part. LED was used Computerized Electronic Medical Infrared Thermographic Imaging System for body surface Investigation of variable Body thermal asymmetry. It was knowledge body thermal Asymmetry of body surface and quantity body surface of electromagnetic wave to inflow electrical power part.

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The clinical study of Digital Infrared Thermographic Imaging on Hwa-byung(火病) patients (전신체열촬영(全身體熱撮影)에 의한 화병환자(火病患者)의 임상적(臨床的) 연구(硏究))

  • Kim Tae-Heon;Lyu Yeoung-Su
    • Journal of Oriental Neuropsychiatry
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    • v.10 no.1
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    • pp.133-146
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    • 1999
  • First I chose a patient group and a comparative group composed of 23 members each. Then the body temperature differences in these groups was taken with D.I.T.I. The results are as follows. 1. Average body temperature of the Hwa-Byung patient group is $36.6^{\circ}C$ and that of the comparative group is $36.4^{\circ}C$. So there is no meaningful body temperature difference. 2. The hwa-Byung patient group has higher temperature than the comparative group by ${\triangle}T>1.0^{\circ}C$ at the following acupunture points in these body parts upper and lower, left and right, anterior and posterior, trunk and limb. Especially, the body temperature difference was clear in the CV-17 (jun-Joong) and the GV-4(Myung-moon). 3. When the body temperature was compared in the upper and lower part of the back, it had meaningful differences at the upper and lower acupunture points of the back in the Hwa-Byung patient group but not in the comparative group. 4. When the body temperature was compared in the left and right part of the body, its average difference was ${\triangle}T>1.0^{\circ}C$ in the two groups and the result were meaningless. 5. When body temperature was compared in the anterior and posterior part of the body, its average difference was ${\triangle}T>1.0^{\circ}C$ in the two groups and the result were meaningless. 6. When body temperature was compared in the trunk and limb part of the body, its difference in the patient group was meaningful compared with the non-patient group. From the above results, I think that D.I.T.I. could be used to objectively visualize heat sensation of the Hwa-Byung patients and make an objective concept of Han Yul in oriental medicine.

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Finite Element Springback Analysis of Vertically-Walled Auto-Body Part (수직벽을 가진 자동차 부품 성형공정의 스프링백 유한요소 해석)

  • 이두환;윤치상;신철수;조원석;구본영;금영탁
    • Transactions of Materials Processing
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    • v.9 no.6
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    • pp.574-581
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    • 2000
  • A vertically-walled auto-body part is one of the most difficult stamping parts because of angle change, wall curl, and twisting of the blank after springback as well as fracture and wrinkle. In this study, computational simulations of the vertically-walled auto-body part are carried out focusing on angle change, wall curl, and twisting after springback. Binderwrap blank shape is used in forming analysis for precise initial contacts between punch and blank. An adaptive mesh method is used in springback analysis for precise calculation of bending moments. In springback analysis, the differences of 2 and 3 dimensional analysis are compared and the effects of blank holdig force and friction coefficient are evaluated. In order to verify the validity of simulation results, they are compared with measured ones. The predicted thickness distribution and formed shape are agreed well with those of the measurement. The Predicted springback amount is less than that of the measurement.

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