structural shapes 中文意思是什麼
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In order to approach the optimum design of changeover portion structural shapes for submarine ' s different diametral pressure cabins, a new structural type, named the double arc transition form, is introduced based on the analysis of stress concentration, by using the engineering calculation method and finite element mthod
摘要為了探討潛艇不同直徑的耐壓艙室過渡段結構型式的最優設計，利用工程計算方法和有限元方法，分析過渡段結構的應力集中，提出了能夠使不同直徑圓柱殼光滑過渡的結構形式雙圓弧式過渡形式。 -
The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter
本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。 -
Abstract : water stops were used in caissons forming the dock walls and the caissons were of special structural shapes with various types, resulting in complicated technological process and sequence of work
文摘:中遠船塢工程塢墻沉箱設有止水帶，而且該工程沉箱結構形狀特殊，型號變化多，工藝、工序復雜。 -
The riveting and welding plant of the company has a very strong technical force, the technical personnel makes up more than 1 3 of the total staff, the company can also undertake the manufacture of various metallurgical structural equipment, formwork, gang board, oil tank, water tank, pipeline and dust - collecting and environmental protection equipment of various sizes, the company also undertakes the construction of bridge, concrete building as well as underwater and high - altitude operations from omniberaing etc. no matter what sizes and shapes of the forging and casting spare parts including special - shaped parts, we will never refuse you and promise to satisfy you with best quality and finish the task on schedule
公司鉚焊廠，技術力量十分雄厚，工程技術人員，佔全體員工的三分之一以上，可以承攬加工各種金屬結構設備模板跳板油罐水罐管道工程各種型號除塵環保設備，再如橋梁鋼筋混凝土建築，水下高空全方位作業等，除些之外，關于鑄造鍛造等工作不論大，中，小型部件，也能做到來而不拒，保證，保質，保量按期完成任務。 -
Iron and steel. characterization of sulfide shapes in structural steels with improved machinability using standard diagrams. micrographic method
鋼鐵.用標準圖象確定改進機械加工性能的結構鋼硫化物形狀的特徵.顯微照相法 -
Carbon and high - strength electric resistance forge - welded steel structural shapes
碳和高強度電阻鍛焊鋼結構型材 -
Along with the development of science and technology, a number of long - span flexible roof structures with beautiful shapes and new structural systems are widely applied into the public constructions, for example, gymnasium, hangar and theater
隨著科學技術的發展和施工工藝的進步，各種外形美觀、結構新穎的大跨度柔性屋蓋結構被廣泛應用於體育館、飛機庫、劇場等公共建築。 -
The third part : according to the verified structural damage identification method and supposing the to - be identified parameters to be independent and have normal distribution, the scheme of identifying bridge structure damage is proposed by using the probability damage identification method. assume the zero - order, the first - order and the second - order perturbation statistics of the frequencies and the mode shapes of the bridge structures are known, and substitute them into the statistics property formulas of the frequencies and the mode shapes, as a result an objective function including the mean values and the variance of all the identified parameters is established. set
對于連續梁橋，當損傷位置位於跨中附近時，大多數無損傷單元的損傷概率均在10 %左右，可作為小概率事件，不發生損傷，但與損傷單元相鄰的無損傷單元，其損傷概率達到20 %以上，很難被排除，只有對這些單元進行二次識別，才能得到比較可靠的計算結果;如果損傷位於支點附近時，則不會出現上述情況，對于無損傷單元，損傷概率都小於10 % ，不發生損傷，損傷識別結果 -
Multistage structural deformations are experienced in kongquehe area, the basical fault systems of nww - near ew, nne - near sn, nnw and nee are established, the fault movement has the characteristics of multistage and inheritance, in the area multi - structural deformations are experienced in sinian to early ordovician, early ordovician - silurian, jurassic cretaceous - caenozoic, etc. late structural deformation shapes are changed for different levels of formar structural layer, in which different deforming shapes are created and integrated overlying of deformation is induced
摘要孔雀河地區經歷了多期次的構造變形作用，形成了現今北西西近東西向、北北東近南北向、北北西向和北東東向基本斷裂體系，同時斷裂活動表現為多期性和繼承性的特點；該區經歷了震旦紀至早奧陶世、早奧陶世末志留紀、侏羅系、白堊紀新生代等多期構造變形作用，且後期的構造變形作用在不同程度上對前期的構造層的變形樣式有所改造，形成了有一定差異的變形面貌，造成變形的復合登加。 -
In theoretical analysis, finite element method is firstly used to solve the mechanical - electric coupling problems in a flexible plate with piezoelectric elements and to obtain structural vibration modal shapes. focusing on collocated type of piezoelectric sensors / actuators, the maximum determinant of fisher information matrix criteria is chosen as the optimization function and then simplified to determine an optimal principle for the best location of piezoelectric elements
本文研究柔性板振動控制中壓電元件的位置優化設計問題，針對壓電傳感器和驅動器的同位布置結構型式，將壓電元件的有限元分析方法與d優化設計準則相結合，直接利用結構的模態振型確定壓電元件在柔性板上的最優位置。 -
Natural characteristic analysis not only verifies whether the natural frequencies and mode shapes of the antenna are reasonable or not, but also is the base of the structural response analysis, fatigue resistivity computing and the other dynamics problems. the structure design of antenna is a complicated systems engineering, which is generally limited to multiple objects that influence each other, so we need to keep the balance among those objects by decision - making technology of multiple objects to ensure every target optimized
固有特性的分析不僅能檢驗天線結構的固有頻率和振型是否合理，而且也是結構響應分析、動強度計算等其他動力學問題研究的基礎；天線的結構設計是一個復雜的系統工程，它通常受到多個目標的限制，而各目標往往是相互影響的，甚至是相互矛盾的，因此需要藉助多目標決策技術，平衡各目標，以保證空間天線最優的滿足各項設計指標。 -
Abstract : a optimum design method in which the optimum shapes and dimension of cross sections are selected to minimize the structural volume and get the global optimum solution, is presented first by means of the method of the genetical gorithm. the numerical results show that the model is valid
文摘:利用遺傳演算法，首次提出「取剛架截面形狀和尺寸規格為設計變量，結構體積為目標函數，求全局最優解」這一優化模型.通過對各個計算環節的研究，確立了可行的計算方法，編制計算程序，並以算例證明該方法的有效性 -
Among all the structural shapes of space structure, space grid structures is a kind of form which has been applied most extensive and develop most rapidly at home and abroad since century
在空間結構眾多型體中，空間網格結構是半世紀以來，國內外發展最快、應用最廣的一種形式。 -
Abstract : the applied ranges and general characteristics and structural shapes and deformation - controlled technique etc. are researched on the composite soil - nailing wall with retaining water according to its engineering practice in shenzhen area, and the calculating method of its design is put forward
文摘:依據深圳地區的工程實踐，對擋土擋水復合型土釘墻的適用范圍、一般特點及結構型式、變形控制技術等進行了研究，並提出了擋土擋水復合型土釘墻的設計計算方法。 -
With the quick development of bridges, appearance of new material and great progress in design and construction in recent decades, cable - stayed bridges, by their beautiful shapes and unique structural qualities, have entered into their summit of construction in the world
近幾十年來，隨著橋梁事業的飛速發展、新材料的出現和設計施工技術的不斷提高，斜拉橋以其造型優美和獨特的結構性能，在全世界范圍內已經成為一種成熟的大跨度橋型。 -
After meshed the model, the finite element model is built. make a structural analysis to the finite element model, the author found the frequencies of the elastic arm in microdrive. and the natural frequencies that are around the working frequencies and the modal shapes of the elastic arm are analyzed
並將建立好的三維實體模型導入ansys中進行網格劃分，建立了微硬盤磁頭彈性臂的有限元模型，並對其進行有限元結構分析，得到了微硬盤磁頭彈性臂的各階固有頻率，並對其工作頻率附近的各固有頻率和模態振型進行了分析。 -
Specification for cold - formed welded and seamless carbon steel structural tubing in rounds and shapes
圓鋼與型鋼的冷變形焊接與無縫碳素鋼結構管規范 -
From feb. 8 to april 30, 2006, professor shutian liu visited the school of aerospace, mechanical and mechatronical engineering of the university of sydney, australia, collaborated with professor liyong tong on design optimization of ultralight materials and structures, and design optimization of smart structures for morphing structural shapes
赴澳大利亞同悉尼大學航空與機電學院仝立勇教授合作，在輕質材料與結構拓撲優化，特別是在智能結構拓撲優化方面開展合作研究。 -
Standard specification for alloy steel structural shapes for use in building framing
房屋構架中使用的合金鋼結構型材標準規范 -
Standard specification for straight beam ultrasonic examination of rolled steel structural shapes
軋制結構鋼型材的直束超聲檢驗
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