• Title/Summary/Keyword: 저 충실도 해석자

Search Result 2, Processing Time 0.019 seconds

Accuracy Improvement of Low Fidelity Solver by Augmentation of Fin Aerodynamic Database (공력 조종면 데이터베이스 확장을 통한 저 충실도 해석자의 정확도 개선)

  • Kang, Eunji;Kim, Younghwa;Yim, Kyungjin;Lee, Jae Eun;Kang, Kyoung-Tai
    • Journal of the Korea Institute of Military Science and Technology
    • /
    • v.25 no.1
    • /
    • pp.45-54
    • /
    • 2022
  • There has been necessity to supplement the fin database to improve the accuracy of low-fidelity aerodynamic solver for missile configuration. In this study, fin database is expanded by in-house solver, utilized in the triservice data the previously established into regions beyond means of CFD. Fin alone data of CFD analysis results in the original region is matched well with triservice data originated from the wind tunnel tests. Extensive fin aerodynamic data from CFD analysis is added to the existing database of the low-fidelity solver. For confirmation, aerodynamic characteristics of body-tail and body-canard-tail missile configurations is computed using upgraded low-fidelity solver at transonic region. The result using improved solver shows good agreements with wind tunnel test and CFD analysis results, which implies that it becomes more accurate.

장개빈(張介賓)의 육십사괘(六十四卦) 방원도(方圓圖)에 대한 천발(闡發);장개빈(張介賓)의 육십사괘(六十四卦) 방원도(方圓圖)에 대한 천발(闡發)

  • Yun, Chang-Yeol
    • Journal of Korean Medical classics
    • /
    • v.19 no.4
    • /
    • pp.182-192
    • /
    • 2006
  • 통과대복의육십사괘차서도(通過對伏義六十四卦次序圖), 방도(方圖), 원도적연구(圓圖的硏究), 이급장개빈대육십사괘방원도중소천발적의역학내용적연구(以及張介賓對六十四卦方圓圖中所闡發的醫易學內容的硏究), 득출여하결론(得出如下結論): 1. 육십사괘적생성원리중(六十四卦的生成原理中), 존재소강절적일분위이법설화번사전적일정팔회설(存在邵康節的一分爲二法設和繁辭傳的一貞八悔說), 이사지횡향배열적도(而使之橫向排列的圖), 칭위복의육십사괘차서원(대횡도)(稱爲伏義六十四卦次序圓(大橫圖)). 종차원(從此圓), 가청초지효육십사괘적생성근원(可淸楚知曉六十四卦的生成根源). 2. 복의육십사괘원도(伏義六十四卦圓圖), 파대횡도분위료양부분(把大橫圖分爲了兩部分), 즉전삼십이괘종좌상방향하진행료배치(卽前三十二卦從左上方向下進行了配置), 이후삼십이괘종우상방향하원형진행료배치(而後三十二卦從右上方向下圓形進行了配置). 차원이자오묘유위중심청초지현시출료양시(자)(此圓以子午卯酉爲中心淸楚地顯示出了陽始(子)), 양진(묘)(陽辰(卯)), 양극(오)(陽極(午)). 음시(오)(陰始(午)), 음진(유)(陰辰(酉)), 음극(자)등적상(陰極(子)等的象), 체현료천도순환적도리(體現了天道循環的道理). 3. 복의육십사괘방원(伏義六十四卦方圓), 야유래어대횡도(也由來於大橫圖), 역체현료지도원리급선천법상적자연지묘(亦體現了地道原理及先天法象的自然之妙). 4. 복의육십사괘방위원시근거천지지리(伏義六十四卦方位圓是根據天地之理), 재복의육십사괘원도내배치료복의육십사괘방원(在伏義六十四卦圓圖內配置了伏義六十四卦方圓). 저시유주자수차배치적(這是由朱子首次配置的). 원도이원형진행료배치(圓圖以圓形進行了配置), 중공상태체현료천지순환적질서(中空狀態體現了天之循環的秩序), 이방도이방형진행료배치(而方圖以方形進行了配置), 중간충실체현료지지존재적상태(中間充實體現了地之存在的狀態), 기작용균시어중심부(基作用均始於中心部). 방원도중포함착일개월적변화(方圓圖中包含着一個月的變化), 일년적운행(一年的運行), 129,600년지우주일년적변화(年之宇宙一年的變化), 천지적종시(天地的終始), 인물적생사(人物的生死), 고금세변적원리등(古今世變的原理等). 5. 장개빈확립료용역학원리해석의학적의역학(張介貧確立了用易學原理解釋醫學的醫易學), 파육십사괘방원여인체진행결합작료천발(把六十四卦方圓與人體進行結合作了闡發). 기일(基一), 기인위육십사괘원도적중심시태극(基認爲六十四卦圓圖的中心是太極), 차부상당어인체지심, 이건남곤북화리동감서(而乾南坤北和離東坎西), 분별대응어상수하복화좌우이목(分別對應於上首下腹和左右耳目). 기이(基二), 원도이사등분적사상(圓圖以四等分的四象), 파인생분위료사분(把人生分爲了四分), 병분별진행료배속(幷分別進行了配屬). 저설명료파육십사괘여 "소문·상고천진론" 중이팔수위변적장부원리(這設明了把六十四卦與『素問·上古天眞論』中以八수爲變的丈夫原理), 소진행적배속관계(所進行的配屬關係). 기삼(基三), 기인위재원도중(基認爲在圓圖中), 여동양시생적복괘(천근)여음시생적구괘(월굴), 相互交替進行循環一樣, 인적생장쇠로적도리화일일중오매적도리시일양적(人的生長衰老的道理和一日中寤寐的道理是一樣的). 기사(基四), 기재원도중(基在圓圖中), 이천양재남화천부족서북(以天陽在南和天不足西北), 래설명료건재남화곤재북적도리(來說明了乾在南和坤在北的道理), 병재방토중이지강재북화지불만동남(幷在方土中以地剛在北和地不滿東南), 래설명료건재서북화건재동남적도리, 이육십사괘적원리여의학밀접결합, 대지진행료설명(對之進行了說明).

  • PDF