沿表面的法向 的英文怎麼說
中文拼音 [yánbiǎomiàndefǎxiàng]
沿表面的法向
英文
along face normals- 沿 : 沿名詞(水邊) water's edge; bank
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 的 : 4次方是 The fourth power of 2 is direction
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points
本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準,根據點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依據曲面方程的特點,從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點,實現了散亂數據點的自動分類。The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large
本文主要包括以下內容:從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式,並將有限元方法應用於剛架拱橋結構溫度應力的計算中,對橋梁結構進行整體溫度應力分析;討論了年溫差和日照溫差引起的橋梁結構的溫度效應,表明年溫差引起的溫度效應較小,而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈;分析比較了橋梁結構各個部位的溫度效應的大小,可知截面越小溫度拉應力越大,受力越不利;並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討,發現在頂板下緣也會出現相當大的溫度拉應力,並且梗腋的存在反而增加了頂板底部的溫度拉應力;還對幾種相近的剛構式橋型的溫度效應進行了分析對比,總結了這些橋型針對溫度效應的優劣,並提出相應的針對性措施。Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference
在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能最佳且最具應用潛力的冷卻方式之一,而歧管式微通道熱沉因具有低熱阻、結構緊湊、所需冷卻液量小、沿流動方向溫度分佈均勻等優點則成為減小電子元器件換熱表面最高溫度、降低溫度變化的一種有效方法。Determined by dsc. whereafter, the surface micro - morphology of both sides of tini sma thin film deposited on glass was investigated by atomic force microscope ( afm ), and the difference of morphology between the two sides is observed. it has been shown that, in the growing surface of sputtered tini film, the trend of grain to accumulating along the normal direction like a column is clearly observed, and the grain is very loose which resulted in more microcavities, but in the surface facing to glass substrate, grain is so compact that there are hardly microcavities
通過濺射法,在玻璃襯底上淀積了tini薄膜,並在600進行了真空退火, dsc法測得其馬氏體逆相變峰值溫度為75 ,利用原子力顯微鏡,對玻璃基tini形狀記憶合金薄膜的襯底面與生長面進行了表面微觀形貌分析,發現:生長面晶粒呈現出沿薄膜法線方向柱狀堆積的趨勢,晶粒緻密性差,微孔洞多;而襯底面晶粒緻密,幾乎沒有微孔洞存在。When combined method is applied, damaged area develops from down stream to up - stream, besides, controlling effect of discontinuous joints is shown. at normal storage water level, the combined safety factors are 4. 05 and 3. 75 for 9b and 4b respectively
結果表明,超載法時,破壞區從上游向下游發展,且破壞前鋒一直沿建基面附近;綜合法時,破壞區從下游向上游發展,並表現出裂隙結構面參數的控製作用。Based on the method of limitation analysis of soil plasticity, researching from the soil arching mechanism of soil - nailing retaining, the upper limit of the critical height of soil - nailing slopes and the minimum horizontal length from coping of the potential slide surface to the edge of deep excavation are obtained through the analysis to weight of soil and vertical loading and the mechanism of soil and soli - nailing acting reciprocally
摘要基於土的塑性極限分析方法,以均質土坡為例,從土釘支護結構的準粘聚力理論出發,綜合考慮土體自重、坡頂的條形荷載,以及土釘與土體的相互作用的機理,推導出了土釘支護的臨界高度的上限值和潛在螺旋曲線滑動面在坡頂方向距基坑邊沿的最小水平距離解析表達式,可供基抗支護設計參考。The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves
以上關于等距曲線的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲線沿法矢方向平移定距離的點作近似逼近的固定模式,創造了利於交互操作,能有效地減少計算量及數據存儲量的新方法,可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用( 3 ) nurbs曲線曲面降階應用nurbs曲線的顯式矩陣表示及chebyshev多項式逼近理論,以實現nurbs曲線顯式一次性降多階的近似最佳逼近為目標進行了研究The surface orientation technique applied most widely in industrial manufacture of lcd ( liquid crystal display ) is rubbing alignment technology, whose technique is to rubbing the polyimide ( pi ) film laid on glass substrate with rubbing clothes, meanwhile this technique fits to be used in laboratory very much, as its simple flow and good orientation effect
目前在工業上應用得最廣泛的是摩擦取向法,即用摩擦布沿一定的方向摩擦塗覆在玻璃基片表面的聚酰亞胺薄膜。這種方法因為其工藝簡單、取向效果好,非常適合實驗室應用。Along face normals
沿表面的法向The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks
本文將基於裂紋閉合現象建立的帶狀屈服模型,用在平面貫穿裂紋中,計算此時的裂紋張開應力和疲勞裂紋擴展壽命,與試驗結果和經驗公式比較,驗證newman裂紋張開應力理論在高強鋼中的可行性;然後,用切片合成法,把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋,用帶狀屈服模型的理論來分析平面貫穿裂紋,得到裂紋沿深度方向的擴展速率,進而得到潛艇結構的疲勞壽命。This paper discusses their differences from the pursuing aim, researchable object, activity ' s direction, process of questing, concerned problems, adoptive methods, thought modes, constitutive elements, language expressions, final results, evaluative standards, contains of values, norm of observance, occupational constitution, social influences, historical origin and development, and progress
本文主要從追求目的、研究對象、活動取向、探索過程、關注問題、採用方法、思維方式、構成要素、表達語言、最終結果、評價標準、價值蘊涵、遵循規范、職業建制、社會影響、歷史沿革、發展進步諸方面論述了二者的差異。Radial distribution of the static pressure at stator surface was measured in a rotor - stator disk cavity with centric inflow and two outflows
摘要中心進氣具有兩個出口的旋轉盤系統中靜盤表面沿半徑方向的靜壓分佈由實驗方法獲得。The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite element spatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously
此方法即為對方程的對流項沿流體流動的方向即特徵方向進行離散,從而保證格式在流動鋒線前沿逼近的高穩定性,消除了數值彌散現象,並得到了較小的時間截斷誤差;另一方面,對方程的擴散項採用混合元離散,可同時高精度逼近未知函數及其伴隨向量函數,理論分析表明,此方法是穩定的,具有最優的l ~ 2逼近精度。Studying by logic and comparison, this article presents the history, present situation, development and all kinds of theories of merchandising and character merchandising ; discusses the forms, sources, traits and etc ; and originally discloses the essential of the merchandising i. e. the " domino effect of name character " of famous characters and the second merchandising exploitation
本文運用了系統研究和比較研究的方法,在探求商品化以及角色商品化的歷史沿革、運作現狀、發展方向和國內理論研究的基礎上,論述了角色的表現形式、來源及其基本屬性等問題。並從角色中蘊涵的「名角效應」和對角色進行的二次商業開發兩方面獨創性地揭示了角色之商品化的實質。With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強度有減小的趨勢; ( 2 )地面豎直方向的振動強度較之水平方向的略大; ( 3 )隨著與振源距離的增大,在水平方向上,地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的振動速度、加速度完全相同,表明樓房各層在豎直方向上的運動狀態一致; ( 5 )各幢樓房豎直方向的振動強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。分享友人