shell section 中文意思是什麼
shell section
解釋
殼體段-
With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design
本課題運用ansys有限元分析軟體，並且使用精度較高的shell殼單元作為建模單元，在靜態條件下，通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析，尋找出骨架中存在強度和剛度富裕的構件，使之達到輕量化改進的目的。 -
For the stress analysis of dryers under the line load of supporting rollers, according to hoff theoretical solution of thin cylindrical shell under line loads, mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software. the approximate formulas of the second largest hoop stress of the middle section of the shell are derived
針對托輥線壓載荷作用下烘缸的受力分析，本文根據薄壁圓柱殼在線壓載荷作用下的hoff理論解，在運用matlab軟體對14組常用烘缸參數進行編程計算分析的基礎上，對mangelsdorf近似解作了修正，並由最小二乘法導出殼體中部截面環向應力次大值的近似計算式。 -
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。 -
According to numerical simulation and molten steel solidification mechanism, in the paper, the restrict relationship had been setup between casting speed and molten steel level and average mould tapping section thickness as well as its shell temperature at tapping spout
本文基於數值模擬和鋼液凝固機理，建立起結晶器內鋼液液位和鑄坯拉速對其出鋼口處鋼液截面平均溫度和坯殼溫度的制約關系。 -
Shell fish which has been collected in contravention of section 28 of this regulation
條的情況下所採集的介貝類水產動物。 -
Influence to geometry nonlinear stability of orthogonal vierendeel dome by changing rise - to - span ratio, shell thickness and section area was studied and some useful conclusions were obtained for practical engineering
分析了正交空腹網殼結構的矢跨比、網殼厚度、腹桿截面對其非線性穩定性的影響，得出若干對工程設計有參考價值的結論。 -
Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model
為了解決現有的殼單元方法需要大量計算機時的缺點，本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧，將此等效邊界引入到有限元模型中，使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段，從而達到節約計算時間的目的。 -
Since it is difficult for the cable or beam model to consider the large deformation in the pipe crossing section, the fem analysis with shell element has been proposed to investigate the response of pipe. takada ( 2000 ) proposed a simplified design formula to obtaining the maximum strain in steel pipes based on the parametrical study using a beam - shell hybrid fem
現在的抗震規范和有關研究中，還很少有估計大變形時管子內的應力應變的方法，雖然2000年高田至郎等人基於殼有限元模型的參數研究提出了設計用的簡化計算公式，但在他們的分析模型中存在一些問題有待改進。 -
The effect of detector disturb and the shell of the detector and construction material is not distinct. the low absorb cross section material is used to 235u - fission chamber. the low z material is used in experimental bracket and shielding material and the material is used less
獲得了探測器之間擾動、探測器外殼、支架材料對信號中子測量無明顯影響的結果；對~ （ 235 ） u裂變電離室，需採用中子吸收截面低的材料，對實驗裝置的支撐材料和屏蔽材料宜選用低z材料且盡量減少用材。 -
This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity
本文沿用caldwell等人直接計算船體極限強度的思想，考慮雙層底和頂邊水艙對船體極限強度的貢獻，首先將船體梁整體破壞時剖面應力分佈確定為：在中垂狀態下，甲板及甲板附近的舷側均屈曲，雙層底區域則均屈服，其他部分保持彈性狀態；在中拱狀態下，雙層底及之間的底舷側均屈曲，甲板及頂邊水艙區域均屈服，其他部分則保持彈性狀態。 -
3. wth application of large - scale computational software anasys - dyna, the case of elastic impact to each other of two recta - ngular cross - section rods has been implemented and also compared with theoretical results, which maks good agreement and draws very helpful practical experiences to use some techncal parameters in the program. eventually, the a real - world aircraft windshield shell structure impacted by a flying bird has been simulated through fem numerical computation, and meanime, an engineering predical experimeni of bird sttiking to the windshield in some type of aircraft has been performed
3 、應用大型科學計算程序anasys - dyna ，對彈性體碰撞進行了數值計算驗證並與理論結果對比，獲得了計算參數應用的實踐經驗；在此基礎上，進行了鳥體撞擊飛機風擋結構動力學響應的實際數值計算，與此同時安排了工程鳥體撞擊試驗，並就兩者計算結果給予了細致分析對比，獲得了良好的一致性結論。 -
Guide for procurement of power station equipement - part 3 : boilers - section 2 : shell boilers
電站設備的采購指南.第3部分:鍋爐.第2節:火管鍋爐 -
Support for third - party code management applications section. cvs started out as a collection of shell scripts in 1986, but it has evolved into the most popular source code version management solution for software developers
Cvs誕生於1986年，當時作為一組shell腳本而出現，但它現在已經發展成了最流行的針對軟體開發人員的源代碼版本管理解決方案。 -
Methods of testing refractory materials - investment casting shell mould systems - determination of permeability and standard air flow capacity at elevated temperatures - section 10. 2 : determination of permeability and standard air flow capacity at elevated temperatures
耐火材料試驗方法.熔模鑄造外殼鑄模系統.升溫時透氣性和標準空氣流量的測定 -
Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained
本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。 -
First, the constitutive model of concrete based on micropiane theory is studied and the constitutive behaviors of high - strength concrete and steel fiber reinforced concrete are described. second, the material nonlinear finite element analysis program of concrete plate, shell and box - section structures is developed. third, the sttuctural behaviors of test beams are simulated by the program developed by the aathol in the first part, the constitutive model of concrete, a key matter of material nonlinear finite element analysis of concrete structure, is studied
作為整個課題的組成部分，筆者的博士論文中進行了以下幾個方面的研究： （ 1 ）基於微平面理論的混凝土本構模型的研究和基於該理論的高強混凝土與鋼纖維混凝土本構行為的描述； （ 2 ）混凝土板、殼及箱型結構非線性有限元分析的研究； （ 3 ）預應力高強混凝土變截面箱型連續梁結構行為的數值模擬。
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