boundary response 中文意思是什麼

boundary response 解釋
邊界反應
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  • response : n. 1. 回答,答復。2. 【宗教】應唱聖歌。3. (因刺激等引起的)感應,反應,反響;應驗;【物理學】響應;【無線電】靈敏度,感擾性;特性曲線。
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  3. Figure 1 - - cross - boundary road bridge proposals 1. 3 as a response to these proposals, planning department initiated the crosslinks study in september 1995 which was subsequently completed in may 1996

    3為回應上述建議,規劃署在一九九五年九月著手進行一項跨境通道研究,並於一九九六年五月完成。
  4. As one of the design for testability technology, boundary scan test ( bst ) fixes boundary scan cells between the device pins and core logics. thus, the bsc acts as the virtual test probe that carries out the test stimulus and captures the test response

    作為一種結構插入的可測性技術,邊界掃描測試( bst )技術將邊界掃描寄存器單元安插在集成電路內部的每個引腳上,其作用相當于設置了施加激勵和觀測響應的內建虛擬探頭。
  5. Therefore it is started with the derivation of variational equation, full formulations including contact boundary conditions, internal forces of shell element are given, and the algorithms for contact - surfaces searching, contact - force computation, and even time integration for the response computation are listed as well

    為此,文中從推導變分方程開始,給出了包括接觸邊界條件、殼單元內力計算在內的全部列式,並列出了識別接觸界面的搜索演算法,接觸力計算以及動力響應計算的時間積分演算法的有關公式等等。
  6. Based on newmark ' s step - by - step implicit integration method, the response analyses of a tunnel are performed by using viscous - spring artificial boundary under various earthquake accelerations and multiform conditions of surround rock. the seismic responses of the tunnel are calculated by changing parameters of surround rock within the tunnel some ranges. two kinds of shock absorption measures, which are setting shock layer and reinforcing surround rock are studied and shock absorption effects, applicable to cases and shock mechanism are analyze

    4計算了不同地震動作用下不同的圍巖材料對隧道地震反應的影響,並通過改變隧道襯砌一定范圍內圍巖材料的參數,計算了隧道的地震反應,分析了在隧道施工中設置減震層和注漿加固一定范圍內圍巖這兩種方法的減震效果、適用條件及其減震機理。
  7. Flutter boundary prediction ( fbp ) based upon sub - critical turbulence response analysis is an important research work in flutter test field of aircraft

    基於飛機結構亞臨界響應分析的顫振邊界預測( fbp )技術是顫振試驗研究的重要課題。
  8. Cushioning pads of computers is required to design according to the boundary curves of shock response spectrum ( srs )

    摘要電腦的緩沖墊要求按沖擊響應譜的破損邊界曲線進行設計。
  9. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    ( 2 )採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗,通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  10. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式;研究得到了減反射膜對太陽電池短路電流增量比的極限;建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  11. Through analyzing bed ' s response to wave, in the condition that super - stratum is more hard and second - stratum is more soft in region of interest, super static interstitial hydraulic pressure amplitude die away rapidly between stratums, before in sight of boundary between hard and soft stratum, plane effective pressure increase to max. shear stress reach peak value when bed thickness is approximately 2. 7 meters, then it will decrease to the minimum on the place where the flexible soil has a common boundary with the rigidity, so the boundary is the most destroy plane on engineering. on the basis of reconnaissance in situ, in normal situation of sea, the structure slides to the basin along the boundary

    通過對底床在波浪下的響應分析,對于研究區底床上層較硬而第二層較軟的情況,超靜孔隙水壓力幅值在層間交界處迅速衰減,在臨近硬、軟地層交界處前,水平有效應力增至最大,剪切應力在底床厚度大約2 . 7米左右達到峰值,然後減小,到硬、軟層土交界位置,達到最小,因此這個界面就是最容易發生破壞的工程軟弱面,現場勘查證明,即使在正常海況下,構築物也會沿坡以此交界面為滑動面,緩慢向「盆」底滑動。
  12. Change of flow and sediment conditions, inflow of branches, the different river boundary conditions and the different respond methods caused by the different of river boundary conditions are the cause of complex response in replacement of the spatial and temporal process

    輸入水沙條件的變化、水庫下遊河道支流入匯、河床邊界條件的變化以及因此導致的不同調整方式是引起時空演替復雜響應的主要原因。
  13. 3 ) the dynamic responses are studied primarily when the normal incident waves from the lateral boundary are rayleigh surface waves. the results of the dynamic response and the spatial waveforms are given. through comparing the numerical solutions with the analytical solutions of one - phase media, the validity of the corresponding program is proved

    初步分析了基於單相介質理論的rayleigh面波從側邊界垂直入射時的動力響應問題,給出了動力響應結果和rayleigh面波的空間波形,通過比較單相介質數值解與解析解兩種方法的分析結果來檢驗程序的正確性。
  14. ( 2 ) deletions of four different lengths were conducted using pcr amplification with the information of sequence of pdf 1. 2 gene promoter. these mutated promoters were fused to the gus reporter gene and introduced into tobacco plants. the results of gus activity driven by these different constructs showed that the promoter sequence between positions - 300 and - 243 ( containing a gcc box and a g box - like sequence ) was an essential ja - responsive element region to activate the expression of gus reporter gene, and the - 300 bp position was defined as the boundary of the minimal functional promoter in response to ja signaling

    ( 2 )對該啟動子的5 』端進行不同長度的缺失突變,突變的啟動子與gus構建的融合基因在煙草中受meja誘導的瞬時表達結果表明,該啟動子中- 300 - 243bp區域(有一個gccbox和一個gbox - likesequence )是其應答meja處理所必須的區域,並將- 300bp作為該啟動子應答ja信號的最小區域的邊界位置。
  15. By analyzing the difference of horizontal and vertical wells in logging environment, logging response, etc, studying the response characteristics of formation boundary in horizontal well logging, which include spontaneous potential, natural gamma ( gr ), sonic logging, methods for identifying oil - water layer are discussed

    分析水平井與直井在測井環境、測井響應等方面的差異,研究水平井測井中自然電位、自然伽瑪、聲波測井在層界面的響應特徵,探討了水平井油水層判別方法。
  16. Integrated log response function can be derived from the change rate of logs over boundary

    在地層界面處的曲線變化中提取出測井曲線的綜合縱向響應函數。
  17. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解,從而將土體動力平衡方程解耦,求解得到了土層的振動模態和阻抗因子,然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用,求解樁的動力平衡方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  18. Through caculation example, the factors that will influece the results of seismic soil response including element meshing, intergration step, damping, boundary were studied and the regularity was generalized. in the third part, the pile - soil - superstructure model was constructed and solved

    通過算例考察了影響土體地震反應的單元網格劃分、積分時間步長、阻尼取值、邊界等因素,並對土體地震反應的規律性現象做了總結。
  19. The electrical and mechanical boundary conditions are obtained considering the characteristics of layered ferroelectrics ; the local electric - mechanical response equations of each structural layer of units are derived under the coupling of electric and mechanical loads. various calculations are conducted when the volume fraction of each layer differs, as well as when the ratio of yang ' s modular between layers changes. the influence of these factors to material performance is studied

    重慶大學博士學位論文應用提出的模型與方法,針對層狀微結構鐵電材料的具體特點,進行了計算與分析,包括:建立了層狀鐵電材料的力電場邊界條件,推導出在外加力電場作用下的各層材料的局部力電響應的表達關系。
  20. At the same time, the problem described above was solved in the frequency domain and the analytical solution for lateral steady response of single pile with finite length or with infinite length was developed under different boundary conditions

    同時,對上述同一問題在頻域內進行求解,得到了各種邊界條件下的有限長樁和無限長樁水平穩態振動解。
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