block dimension 中文意思是什麼
block dimension
解釋
外形尺度-
According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求，確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線，即由纖維纏繞工藝成型主體異形件，閉模成型帶通槽外貼塊，用限位加壓工裝實現粘接的工藝路線；通過對原材料體系的篩選，確定了綜合性能較好的復合材料體系，以此為基礎進行了力學性能測試；運用有限元方法，建立了蒙皮、筋條和外貼塊的分析模型，綜合考慮結構特點和設計要求，對影響結構強度與穩定性的主要因素（包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度）分別進行了結構設計參數的優選，最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計；完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究；對縮比件進行外壓性能測試，並給出了應力、應變測試結果。 -
It adopts developed predictive model to shorten the predictive time and eliminate the truncation error, adopts range control to avoid the frequent change of inputs, adopts block technology to reduce the dimension of qp, uses performance ratio to make the controller ' s tuning sample and intuitionistic
該演算法中，作者採用改進的預測模型來減小模型時域與消除截斷誤差，形式上採用區間控制防止操縱變量的頻繁動作。並在演算法中實現了漏鬥技術與block技術，利用性能比來使得控制器調整簡單直觀。 -
Abstract : using furan sand to produce heavy diesel engine block and crankshaft eliminated defects of castings including “ penetration / burn - in ”, “ shrinkage porosity ”, “ big dimension deviation ” of cylinder block, “ penetration / bum - in ”, “ misrun ” and “ run - out ” of crankshaft, and so on
文摘:樹脂砂鑄造工藝應用於大型球墨鑄鐵件整體鑄造柴油機缸體、曲軸生產上消除整鑄缸體「粘砂」 、 「縮松」 、 「尺寸偏差大」及曲軸「粘砂」 、 「澆不足」 、 「漏鐵液」等鑄造缺陷，具有明顯的效果。 -
In order to exhibit the application of the method of porous media macroscopical geometric classification and minimum energy dissipation, the combination system between one - dimension pipeline media and three - dimension block media is tried to simulate the destroying and developing process of soil piping erosion
為了進一步展示多孔介質宏觀幾何分類方法及最小能量耗散原理的應用，文中還嘗試採用具有一維性質的管道介質與具有三維性質的塊體介質組合體系進行了土體管涌破壞發展過程的模擬。 -
Spline curves defined in the space constructed by polynomial and hyperbolic functions are studied in this paper. the main research contents and achievements are as follow : firstly, we generate the cardinal extended complete chebychevian ( ect ) - systems on the space constructed by polynomial and hyperbolic functions, then introduce the algebraic - hyperbolic b - spline space and identify the dimension law and zero properties. the existence of a basis of splines with minimal compact supports is demonstrated, and functions named non - uniform algebraic - hyperbolic b - splines are obtained by solving certain linear equations with a block matrix
本文主要研究定義在多項式和雙曲函數構成的空間上的樣條曲線，其內容和完成結果如下:一、生成由多項式和雙曲函數構成的空間上的一組典範式ect （ extendedcompletechebychevian ）組及其對偶， ，證明非均勻代數雙曲b樣條空間的維數定理和零點定理，直接通過解塊矩陣線性方程組得到具有最小緊支撐的非均勻代數雙曲b樣條函數，進而構造非均勻代數雙曲b樣條曲線，還具體給出低階的表示 -
The core contents of digital power transmission network are to build the true three dimension scene of objective region, to search for the transmission equipments and to operate them in the scene interactively. according to the two main kinds of three dimension digital models ( earth surface model and transmission equipment model ), this thesis describes a simplifying method depended on view - point : it accomplishes displaying and flying over a large area of true earth surface with level of detail model based on block - binary tree. and it realizes " the efficient display of abundant data of equipment models and interactive management by the method of combination of models and images
構建目標區域的真實三維場景，並在場景中對輸電設備進行查詢和交互操作是數字輸電網路的核心內容，本文針對數字平臺中兩種主要的三維數據模型? ?地表模型及輸電設備模型提出了基於視點的簡化方法：用塊? ?二叉樹結構的動態細節層次模型解決了大區域真實地形的顯示及漫遊方法；用失柵結合的方式實現了對海量設備模型數據的高效顯示及交互管理的功能。 -
2 ) through many numeral experiment, using the crack face ' s slant angle and azimuth angle as parameters, we found some relations between three - dimension fractal parameters and two - dimension fractal parameters in rock mass : ds = ( 1. 0 + 0. 031 ) * dl + ( 1. 0 + 0. 0395 ), ns = nl, v = 1. 5986 * ( 2 - dl ) - 3. 2935 * sin ( st ) + 3. 8263, and found a way to speculate three - dimension fractal parameters from two - dimension fractal parameters. lt is the foundation to describe the distribution laws of crack face in rock mass by the observing results through rock mass section crack, 3 ) this paper constructed the three - dimensional fractal emulation theoretical system and erected three - dimensional fractal emulation model about crack face in rock mass 4 ) a emulation system about crack face in rock mass is developed by vc + +, it includes the function to get section plane chart and section block chart from three - dimensional network chart automatically, and some of the emulation examples is given
2 ）通過大量數值試驗，以巖體裂縫面的傾角與方位角為紐帶，分析得出了巖體裂縫面數量三維分形分佈參數和巖體裂縫跡線二維分形分佈參數的關系： d _ s = （ 1 . 0 0 . 031 ） * d _ l + 1 . 0 0 . 0395 ， n _ s = * n _ 1 ， = 1 . 5986 * （ 2 - d _ l ） - 3 . 2935 * sin （ st ） + 3 . 8263並提出了由二維分形幾何參數來推導三維分形幾何參數的方法。為通過巖體剖面裂縫直接觀測結果，描述巖體裂縫面分佈規律奠定了基礎。 3 ）本文構建了巖體裂縫面的三維模擬理論體系，建立了巖太原理二大學周眨d二研究生學位論文體裂縫面的三維分形模擬模型。 -
The set of these eigenvalues can be regarded as the eigenvalues of primary system approximately. this method not only can control the scale of the block - decoupling subsystems, but also achieves the reduced - order eigenvalue calculation for multi - machine power system. so this method can avoid the dimension disaster in the qr and calculate all the eigenvalues of large power system with the effect of damping windings considered
這一方法可以控制分塊解耦子系統的規模，實現多機系統特徵值的降階計算，避免特徵值qr演算法的「維數災難」 ，同時為採用計及發電機阻尼繞組作用的詳細模型計算大型電力系統的全部特徵值、提高電力系統小擾動穩定分析的準確性提供了一種方法。 -
Abstract : on the base of the analysis of kinematics and dynamics f or i ntroduced some types of cone crushers, this paper constructs the dynamics models with the fin ite element method on the main components of the cone crushers, such as main shaf t, moving cone and offcentering axial bushing. according to the characters of the load, the paper simplifies and counts the external loads. then using the software of ansys and employing the elements of high accurate three dimension block, the paper analyzes the strength and rigidity of the finite element method and a ttains valuable results
文摘:在對引進的某型圓錐破碎機的運動學及動力學分析的基礎上，建立了該破碎機主要部件主軸、動錐及偏心軸套的有限元分析模型.根據載荷特點，簡化並計算了外載荷.應用ansys軟體，選用精度較高的三維塊單元，對其進行了有限元分析，得出了具有參考價值的計算結果 -
By the method of optimizing node number, the storage technology of one - dimension changing bandwidth and the solver utilizing block - to - block technology, the sgscad has a high speed of calculating and efficiently reduces the size of memory requested
通過對結構節點編號優化方法的研究，以及採用一維變帶寬存儲技術和分塊求解技術，大大加快了計算速度，減小了內存要求。 -
The finite difference method and matlab / simulink are used to simulate the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines. a method using selector block in matlab simulink to solve the equations in spatial dimension is developed. the pressure transients under different conditions such as different initial flow rate, different viscosity and different initial gas bubble volume are simulated
採用有限差分及matlab / simulink模擬方法，提出了採用simulink中selector模塊求解空間域上積分的方法，對低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程進行了時間域和空間域上的求解，對不同起始流量、不同液壓油粘度和不同初始氣泡量等條件下的瞬態壓力脈動過程進行了模擬研究。 -
After the above work, a universal zero - dimension fault simulation model of diesel engine is built. thirdly, according to the constructed simulation model, a faults simulation software is developed in the environment of visual c + + 6. 0, which can simulate some typical engine malfunctions, such as leakage, block, time - sequence error and have a friendly simulation interface
該軟體可以模擬泄漏、阻塞、時序或相位錯誤等典型的柴油機熱工故障，並具有友好的模擬界面，通過熱工故障模擬數據庫和熱工參數模擬曲線，可以明顯看出故障狀態下柴油機各熱工參數的異常變化。
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