模型縮尺 的英文怎麼說
中文拼音 [móxíngsuōchǐ]
模型縮尺
英文
model scale-
Then, the associated search optimal algorithm based on virtual avl tree is promoted to rapidly reconstruct the half - edge topological structure. 3. to rebuild the tooth surface from the littery measure data, the membrane deformation algorithm based on loop subdivision is given to fit density triangle meshes to subdivision surface
前者巧妙、高效地完成了去除冗餘點的工作，將stl數據的存儲尺寸壓縮為原來的18 % 25 % ;後者完成了數據的半邊拓撲重建，使得后續對于邊界邊搜索、 1環鄰域搜索顯示出較好的優勢，實現了三角網格模型的快速拓撲重建。The dynamic models of hydration reaction of cement and autogenous shrinkage of concrete were constructed respectively based on the multi - composition and multi - scale hydration reaction of cement
摘要基於水泥的多組分和多尺度水化反應的原理，分別建立了水泥的水化反應和混凝土自收縮的動力學模型。Geotechnic centrifuge model test technique utilizes the equivalence between centrifugal force field and gravitational field ; model dimension dwindles into 1 / n times of prototype " s, but the body force on the model increases n times. the strain and stress of model is equal to prototype " s, but the displacement of prototype is n times of model " s
土工離心模型試驗技術利用離心力場和重力場等效性，將模型尺寸縮小到原型尺寸的1 / n ，同時作用在模型上的體積力增大n倍，這時，模型中各點的應力、應變與原型中對應點的應力、應變相等，原型和模型對應點的位移成n倍關系。Abstract : through a series of hydraulic model tests for researching actual power tunnel operation, a conclusion is reached that in order to get a better flow pattern the profile of the wate - carrying structure should be adapted to the variation of water streamline shrinkage, flow velocity and pressure intensity. the configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage
文摘:針對實際工程中的發電引水隧洞運行的各種工況進行了水工模型試驗研究，指明要獲得良好的水流流態，過水建築物各部位結構輪廓的造型應適應水流流線的收縮、流速及壓強的變化；為使引水隧洞在各級引水流量下能安全可靠地運行，需慎重確定洞內消能工的體形和尺寸。The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering
對所選擇的結構形式進行縮尺有機玻璃模型試驗，得到實腹連續箱梁和空腹箱梁在各種試驗工況荷載下的應力，通過換算分析，驗證了本文所建立的有限元模型的準確性，由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。It is developed from large - scale objective model experiment to reduced scale model experiment ; from simple mechanics device to various advanced detecting device ; and the theory is developed from elastic mechanics, plastic mechanics to fracture mechanics and damage mechanics. the study of concrete fracture has also developed from macro - level to meso - level
從大型的實物模型試驗，到各種縮尺模型試驗；從簡單的力學儀器，到各種先進探測儀器的使用；理論上也由彈性力學、塑性力學發展到了斷裂力學、損傷力學等，對混凝土斷裂問題的研究，更是由宏觀領域進入了細觀層次。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。The design of huge rate artillery model and madding methods were solved
研究解決了火炮大比例縮尺模型的設計方法和製造手段。Precise position and property inspection of simulator of giant radio telescope with active spherical reflector
巨型射電望遠鏡縮尺模型安裝定位及變形測量The research mainly includes the following respects : first, 1 / 10 scale reinforced concrete model has been preceded
具體研究工作如下：首先，對卸煤溝原型進行了1 10縮尺比例的鋼筋混凝土結構模型試驗。Minzheng zhang ， xun guo ， qingli meng ， study on shaking table tests of building models ， china - us millennium symposium on earthquake engineering ， beijing ， china ， 2000
參與科研項目「地震模擬振動臺試驗縮尺模型一致相似律及其應用研究」 ，獲中國地震局防震減災優秀成果三等獎， 2002 。The data got from the shooting tests, conversed by the theory of similitude and eliminated the system errors, were compared with the data from the approval test in the national shooting field. it verified that the full parameters artillery physical simulation theory was right. it verified that the huge rate model design and madding methods were reliable
把模型炮實驗獲得的數據，按相似理論換算，並消除相似畸變帶來的試驗誤差后，與原型炮在國家靶場定型試驗的結果比較，證明了創建的火炮全參數物理模擬理論的正確性；證明所採取的大比例縮尺模型的設計方法和製造手段的可靠性；證明用縮尺的模型炮代替副炮進行多項目綜合物理模擬試驗技術是成功的。This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic
本文以金奧大廈及其鄰近建築作為研究對象，首先把一定縮尺比的模型置於風洞模擬的大氣邊界層環境中，運用建築表面動態測壓技術獲得金奧大廈表面的時均風壓系數和均方根風壓系數，繪制時均風壓系數和均方根等值雲圖並分析其分佈的規律和特點。The camber development mechanism and the influence factors were researched by geometry analysis, viscous analysis and sintering kinetics analysis. the camber model was established and the equation for calculating curvature of camber was proposed. the influence factors for camber involve the original size of composite, the sintering properties and the shrinkage mismatch between the two materials
從幾何學、粘彈性力學和燒結動力學的不同角度出發，探討了共燒翹曲形成機制和影響因素，建立了介電材料鐵氧體材料疊層共燒翹曲模型和翹曲曲率方程，揭示影響翹曲的因素為形狀尺寸因子，材料的燒結特性和異種材料之間的收縮率差，其中燒結過程的收縮率差是翹曲產生的根本因素，收縮率差越大，則翹曲曲率越大。Based on the shaking table test of 1 / 4 scale two - bay rc frame modes strengthened with and without cfrp ( carbon fiber - reinforced plastic ), damaged and destroyed model strengthened with cfrp, the vibration properties and seismic response and destroying position of rc frame model with cfrp are analyzed
摘要通過對兩個縮尺比為1 / 4的兩層單跨鋼筋混凝土框架結構模型的加固、未加固及其震壞后再加固的3次振動臺對比試驗，探討了其動力特性、地震反應和損傷破壞情況。According to the demand of 《 code for seismic design of building 》 ( gb50011 - 2001 ), furthermore, based on the experimental study of two 1 / 15 reduced - scale shear wall models under low frequency cyclic and reversed lateral loads, the interacting behavior of the r. c frame column and the shear wall is studied, the failure mechanism and energy dissipation mechanism of moderate and tall shear wall with r. c frame column are compared, the seismic behavior is evaluated by the comparison of strength, stiffness, ductility, restoring force characteristics as well as energy consumption ability. it was showed by the experimental results that the earthquake resistant energy dissipation ability of the shear wall with frame column is satisfactory
因此，為了探討這類剪力墻結構的抗震性能，本文以我國現行《建築抗震設計規范》 （ gb50011 - 2001 ）的要求為基礎，通過1 15的縮尺比，將一縱向框架一剪力墻原型結構中的剪力墻結構模擬為一個試驗模型並對其進行了偽靜力加載試驗，研究了墻板與邊框柱的共同工作性能，分析了帶邊框柱中高剪力墻的受力特點、破壞及耗能機理，並從承載力、剛度、變形、延性及恢復力特性等方面綜合評價了其抗震性能，得出了一些有益的設計理念和方法。The seismic behavior of longitudinal middling - high r. c shear wall with frame column is discussed through model experimentations and finite element methods in this paper, after taking frame - shear wall structure of a main factory building of the large capacity power plant as experimentative prototype. the major work as follow : in order to appliance pseudo static test, the longitudinal middling - high r. c shear wall with frame column in the large capacity power plant ' s main factory building has been simulated to a model structure with 1 / 15 reduced - scale. the contents of study are process of cracking, course of damage, skeleton curve, rigidity degradation, ductility characteristic etc. that the seismic behavior of this kind of middling - high r. c shear wall is excellent has been proved by chubby hysteretic curve and fine capacity of energy dissipation
本文以某大型火電廠主廠房縱向框架一剪力墻結構為原型，通過模型試驗和有限元分析，研究了縱向帶邊框柱中高剪力墻結構的抗震性能問題，主要內容有：選用1 15縮尺比把某大型火電廠主廠房縱向帶邊框柱剪力墻原型結構模擬為一個模型結構，並進行了偽靜力試驗，研究了這類縱向帶邊框柱中高剪力墻結構的開裂與破壞過程、骨架曲線、剛度退化、延性性能等問題，試驗滯回曲線飽滿，消能能力強，說明此類中高剪力墻的抗震性能較好。The major contents are as following : through a test of 1 / 15 - scaled model, the shear wall of a longitudinal frame - shear wall structure main factory building of the large power plant is modeled as testing model structure, and is tested by pseudo static test. this paper mainly investigates the loading behavior, failure proceeding, strength, rigidity, deformation, ductility and energy dissipation capacity of the model structure
主要內容如下：採用1 15縮尺比，把某大型火電廠主廠房縱向框架?剪力墻原型結構中的剪力墻模擬為試驗模型結構，並對其進行偽靜力加載試驗，研究了此類結構的受力特點、開裂與破壞過程、承載力、剛度、變形、延性及耗能性能等問題。It can be categorized into four types. based on the similar theories, the similar relationships between the models and the archetypes were deduced and a scale model was built for
在相似理論的基礎上，推導了高層建筑陽臺火災實驗模型與建築原型所遵循的相似關系式，並搭建了工程實例縮尺模型實驗臺。Made up of two - storied lower huge platforms and three - storied upper building structures in the scale of 1 / 4 from the prototype, the model is tested under cyclic loading, and thus conducting the experimental study of the structure ' s capacity, stiffness, ductility, hysteresis capacity, yielding mechanism and failure phenomenon
通過對包括有大平臺兩層結構和上部三層結構的四分之一縮尺模型，在低周反復荷載作用下的試驗研究，重點分析了大平臺上部結構和下部結構的承載力、剛度、延性、滯回特性、屈服機制和破壞特徵等。分享友人