無限的邊界 的英文怎麼說
中文拼音 [wúxiàndebiānjiè]
無限的邊界
英文
borders of infinity- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 的 : 4次方是 The fourth power of 2 is direction
- 邊 : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
- 界 : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
- 無限 : infinite; limitless; boundless; immeasurable; unlimited
- 邊界 : boundary; frontier; border; borderline; edge range line; periphery
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A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle
摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型,在研究了脈沖超聲波在無限長板中傳播的基礎上,對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。Please consider the boundary of a semiinfinite slab as shown in fig. 2. 6.
請考慮一個半無限平板的邊界,如圖26所示。Please consider the boundary of a semiinfinite slab as shown in fig. 2. 6
請考慮一個半無限平板的邊界,如圖2 6所示。A related set of " quantum gravity " theories postulates the existence of parallel universes - some perhaps mutant versions of our own, like " bizarro world " in the old superman comics - existing beyond the borders of our little cosmos. " infinite earths in parallel universes really exist, " the normally sober scientific american once hyperventilated on its cover
一些相關的「量子重力」理論設定存在多個平行的宇宙,其中一些,就像老版超人喜劇中的那個「伊扎爾世界」 ,是我們這個宇宙的變異,它們存在於我們小小宇宙的邊緣之外,正常而清醒的《科學美國人》雜志有一次在封面上用粗體字醒目地寫著: 「無限個地球真實地存在於多個平行的宇宙間。 」The study indicate that the surface form has no effect on kl, but has obvious effect on kll, and will affect the breaking angle and mode ; in finite plate, the boundary condition has effect on the sif and the k is bigger than in infinite plate ; the effect of the distance and the angle between cracks are all have obvious effects on the multiple crack interaction, and the interactions between cracks also have obvious effects on the sif, which can be neglect only when the distance is bigger enough
研究表明:裂面狀態對k _的大小沒有影響,而對k _的影響卻很大,相同應力條件下,裂面狀態會影響裂紋的開裂角和開裂方式;有限板的邊界對應力強度因子有一定的影響,其k比無限板中的k略大;裂紋間的距離、夾角等因素對裂紋間的干涉效應均有較大影響,裂紋間的干涉效應對應力強度因子的影響非常顯著,只有當裂紋間的距離充分大時,干涉效應才可忽略。To draw this boundary, physicists and mathematicians use a distorted length scale similar to escher ' s, squeezing an infinite distance into a finite one
為了畫出這個邊界,物理學家和數學家利用了類似於艾雪所用的扭曲尺度,將無窮大的距離壓縮成有限的長度。In the peaceful atmosphere of this fan painting, master shows us the boundless and timeless inner world
在這充滿寧靜氣息的扇子里,師父畫出了內在世界那無邊無際超越時空界限的無限景象。The markov chains ' analysis results show that the expected casualty of the former form is the same as one of the latter form at unknown or infinite mine - field boundary, the expected casualty of the former form is less than one of the latter form at known or finite mine - field boundary
根據馬爾可夫過程理論的分析,可以比較出2種清掃模式下掃雷艇期望損失在雷區邊界未知或無限時是相同的,而對邊界已知的有限雷區,邊緣漸進模式的期望損失比中心航道模式小。The contrasting colors of purple in the background, bright yellow in a heart, and red and dark brown in the border around the heart add an uplifting sensation to the painting like white clouds in the middle of the sky, going against earth s gravity to enter into the boundless cosmos. the viewer feels as if he is being upheld by an invisible power to be free from the influence of naked eye observation so as to hear the subtle vibrations resonating from the flickering colors found in each brush stroke of the enlightened artist. he is able to enjoy wonderful mysteries and feel fine tuned frequencies, which are indescribable in worldly language and not arguable by the earthly mind
那些對比色:紫色的底金黃色的中心紅色棕色的邊,讓整幅畫清爽流利,像天空中的一片雲突破地球引力奔向浩瀚宇宙,觀賞的人好像得到無形力量的貫注,不再局限在凡夫的眼界,而能在那些水遇無痕的筆法布局中,用心傾聽出顏色的微細振動,從行雲流水的線條中,隱現出開悟神奇奧秘的享受,感受到那微細的高頻率波段不可說的天籟。The our company is a specialized production tool production enterprise, the company is located under the hangzhou western suburbs scenery beautiful tanmu mountain foot ; side the hangzhou emblem is high speed this company mainly produces various types carp pliers, the water pump pliers, 雙 頭 the dull spanner, the male british system two uses the spanner product mainly to sell to europe and america, south korea, japan and the hong kong and taiwan area, and may come to attempt, the incoming sample, decides the sign manufacture this factory throughout persisted by the quality first, the prestige is supreme, good faith forever, quality infinite management objective this company all staff zealously welcome the from all walks of life new old friend presence instruction and the discussion service altogether creates the happy future cooperation to be happy
臨安振發工具有限公司是一家專業生產手工具的生產企業,公司位於杭州西郊風景秀麗的天目山腳下;杭徽高速旁邊.本公司主要生產各式鯉魚鉗,水泵鉗,雙頭呆扳手,公英制二用扳手產品主要銷往歐美,韓國,日本及港臺地區,並可來圖,來樣,定牌製造.本廠始終堅持以質量第一,信譽至上,誠信永遠,品質無限的經營宗旨.本公司全體員工熱忱歡迎各界新老朋友光臨指導並洽談業務.共創美好前程合作愉快The solution of the interior problem has been obtained by the fem method. ensuring the continuity of the tangential electric field across the aperture plane, the electromagnetic e and h has been gained
分別採用有限元法和矩量法分析封閉腔體和半無限空間的電磁場,在孔徑面上進行邊界條件匹配,從而得出極化雙工柵中的電磁場特性。By the way of stress analysis of bank slope, the positions of different laying depths are found, where the stress state is close to that of semi - infinite plane. then the shape of stress slack zone can be confirmed to acquire the safe rule of laying foundation for bridge design. and the engineering applications prove its correctness
本文通過岸坡應力分析法,找到不同深度下基礎附近應力接近半無限平面(即消除岸坡邊界影響)的位置,從而確定應力鬆弛帶形態,為橋梁設計提供基礎安全埋置準則,而工程應用結果也驗證了該方法的正確性。In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上,詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式;根據fredholm積分理論,對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有效性和可靠性;對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究;開發了三次樣條改進chief法計算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。While adjacent to the west of the hotel is the most extensive and reputable natural sea beach qingdao no. 1 beach, a beautiful beach in the sun with stretches of warm, welcoming beaches and cool, blue - green water. westwards of the beach are attractive scenic spots like undersea world, lu xun park, xiao yu shan, xiao qingdao island, marine museum, zhanqiao pier
沿著旅舍門前的蜿蜒小道,向西步行百余米,即是國內最大的,久負盛名的天然海水浴場- -青島第一海水浴場,陽光下蔚藍無限的大海,沙細波緩,遐想無限.順著海邊向西漫步,海底世界,魯迅公園,小魚山,小青島,海軍博物館,棧橋等青島最著名的景觀,讓您流連忘返The whole dynamic finite - element analysis simplified based on 2d plane is performed to adapt engineering requires. the effect of both kinematic interaction and inertial interaction on pile - soil - structure systems within layered soil field is relatively comprehensively investigated. at the same time, the boundary effect of model, the horizontal dynamic features of piles and the nonlinear characteristic of slide and contact on the interfaces of pile - soil are considered too on the ground of no - element meshing technique applied for dimensional effect of piles in stratum - soils
建立了以適應工程需要的基於二維平面動力分析的簡化整體有限元模型;提出了能有效考慮樁尺寸效應的樁-土無單元劃分技術,在考慮了模型的邊界效應、樁基的水平動力特性和樁土界面的滑移、接觸非線性行為的基礎上,從時域內較為全面的研究了層狀土域中樁基上下部結構的慣性相互作用和運動相互作用兩種基本效應。By comparison, it was clear that the bem could solve the problem not only effectively but also precisely. in the second chapter the theory of weighted residual technique is illustrated and the boundary integral function of the potential problem is deduced by it. methods of obtaining green ' s function fundamental solutions in infinite region and semi - infinite region are presented
第二章首先說明了加權余量法的原理,並由此推出了勢問題的邊界積分方程,還介紹了無限域和半無限域中格林函數基本解的求法,以及多介質域和第三類邊界條件的處理方法,最後說明了邊界積分方程的數值解法。In chapter three, the momentum integral equations and their solutions of two - phase fluids in boundary layer are given and the no - disturbance solutions on the surface of vane are required. leading into the disturbance factor of no - dimension and thickness coefficient ks in boundary layer, the numerical method of finite approximation is used to calculate the boundary layer
第三章給出了固液兩相流泵的邊界層動量積分方程及其解的一般表達式,並得到葉片表面的無擾動解;引入了無量綱擾動因子及邊界層厚度系數k _ ,給出了用於邊界層計算的有限次逼近的計算方法。Firstly, based on n - s equation, the momentum differential equation ( contained centrifugal force ) is derived by simplification in boundary layer and then integrates the differential equation over the thickness of the boundary layer, the momentum integral equation is deduced. the dimensionless centrifugal factor is introduced, then the solution of the momentum integral equation is obtained. the dimensionless group is introduced to determined separation of boundary layer
本文首先根據粘性流體力學的一般方程,通過在邊界層內進行量級比較,在所限定的范圍內得到了含有離心力的邊界層動量微分方程並給出其滿足的邊界條件,然後對該微分方程在邊界層內積分得到離心泵葉輪邊界層動量積分方程,在求解過程中引入了無量綱離心因子,並作了相應合理的假設,得出積分方程解的一般表達式,並引入以邊界層動量損失厚度為主要特徵量的無量綱參數對邊界層分離進行評價。At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization
由於實際工程巖體其固有的非線性和復雜性,使得求解對應的諸如其穩定性、變形等問題面臨較大的困難,而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性,這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術,抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型,通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理;而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰,物理模擬的試驗周期和成本也大大增加,而巖土體工程問題則成為典型的數據有限、了解程度有限類問題,這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法,數值模擬可以完成目前許多技術手段無法完成的實驗,如參數控制,復雜條件下的邊界條件的處理,同時數值模擬具有高可重復性,且數值模擬的成本和人力開銷等遠低於物理模擬,因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。The technique is employed to analyze the electromagnetic scattering characteristics of anisotropic dielectric - filled apertures in grounded plane. the obtained results show that the proposed technique is accurate and efficient
本文應用矢量有限元?邊界積分法分析了無窮大接地平面上的各向異性介質填充縫隙的電磁散射特性,數值結果表明這種方法是有效的。分享友人