two-dimensional stress 中文意思是什麼

two-dimensional stress 解釋
二維應力
  • two : n. （pl. twos）1. 兩人；兩個東西，一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • dimensional : adj. 1. 尺寸的。2. 空間的。3. 【數學】因次的；…次（元）的。
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. A body is said to be in a state of plane stress or alternatively in a two-dimensional or biaxial state of stress.

    據稱該物體處于平面應力狀態或二維應力狀態或雙軸應力狀態。
  2. Two numerical examples of simple component in two and three dimensions are analyzed respectively by using the formulated transition element. the calculated results show that the formulated transition element can realize the transition between elements with different mesh densities and the calculated stress has a higher precision, which suggests that the transition method using the formulated two dimensional and three dimensional transition element is feasible for the transition between different meshes of elements in the multi - scale damage modeling

    進行了相應的數值分析，應力計算結果表明：構造的過渡單元能夠實現疏密網格之間的單元過渡，應力計算性能良好，表明文中所提出的過渡單元的連接過渡方案是可行的，初步實現了結構跨尺度損傷模擬過程中所需要的疏密網格單元之間的過渡。
  3. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法，導出了大位移彈塑性梁單元剛度矩陣的顯式表達式，在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響，剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響，是因為本文認為，保持平衡所需的所有應力，它們各自的二階效應會相互抵消，因此忽略其中的任何一項都可能導致不正確的結果。
  4. Under the complex loadings, the surface flaws of large complex structures and the original defects of materials would initiate the propagation of micro three - dimensional ( 3d ) cracks, and result in catastrophic accidents. for the limitations of the traditional theories of two - dimensional cracks, the safety of actual structures containing 3d cracks cannot be guaranteed completely without the out - of - plane stress constraint

    復雜應力作用下，宏觀復雜結構表面加工質量和材料本身固有缺陷以及外來損傷等會引起三維裂紋的萌生、擴展，最終導致災難性的破壞，而傳統二維裂紋理論在解決實際三維裂紋問題時出現不足，無法完全保障結構安全。
  5. The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed

    主要工作有：本文根據biot平面動力固結方程，運用積分變換和矩陣傳遞的方法，研究了成層飽和地基的二維biot固結問題，根據下邊界為不透水基巖的邊界條件，獲得了地基表面作用簡諧振動荷載時，任意點應力（包括孔壓） 、位移（包括流體流量）的一般積分形式解。
  6. Taking the earth - rock dams with straight clay core constructed on thick moraine cover foundation and directly built on bed - rocks with the same sizes and the same materials for example, two - dimensional dynamic fem programme is used to contrast and analyze the static stress distribution and dynamic response difference of two types of high earth - rock dams in the intensive earthquake zones

    摘要以相同尺度和相同材料的建造在深厚覆蓋層上直心墻土石壩和直接建設在基巖上的直心墻土石壩為例，採用二維動力有限元程序對比和分析了強震區兩種高土石壩的靜應力分佈和動力反應的差異。
  7. Being based on actual multi - chips module packaging structure a three dimensional thermal analysis model is built, thermal analysis on multi - chips module is conducted using diamond substrate and thermal interfacial materials ; a two dimensional and three dimensional chip - adhesive ? substrate thermal stress model are built, and interfacial thermal stress distributions are computed based on different area ratios and thickness ratios of substrate to chip

    本文根據實際的多晶元組件的封裝結構，建立了三維溫度場分析模型，分析了金剛石作為導熱層和基板對多晶元組件散熱性能的改善;建立了二維和三維的晶元-粘結層-基板熱力學模型，分析了不同的基板/晶元厚度比和面積比對層間熱應力分佈的影響。
  8. Two methods " principle of three dimensional stress determination developed from the above four basic ones by yangtze river scientific research institute are presented, one based on hydraulic fracturing and hydraulic tests on preexistent fractures in single borehole, another one based on ckx - 97 hollow package 3 direction strain gauge

    並對長江科學院完善的單鉆孔中水壓致裂法三維地應力測量和ckx - 97型空心包體式鉆孔三向應變計的三維地應力測量的計算公式作了推導。
  9. The key to calculate the moistening deformation is to work out the distribution of the water content. aiming to the collapsible accidents owing of leakage, this text establishs two - dimensional immersing model of collapsible loess and predicts the change of water content in loess subsoil. furthermore the text selects the stress path method to calculate the moistening deformation subjected to leakage, substituting compressing moduls for tangent moduls after taking cavity ratio and water content into account, putting forward the method to calculate the moistening deformation

    增濕變形的關鍵是研究含水量的變化，本文針對黃土地基由於漏水所引起的濕陷事故，建立了二維濕陷性黃土地基積水入滲模型，實現了對黃土地基含水量變化的預測，進一步選擇了分層總和法計算黃土地基增濕變形，考慮了含水量、孔隙比對模量的影響，以弦線模量取代壓縮模量，提出了計算增濕變形的計算方法，計算了由於漏水而引起的黃土地基增濕變形量。
  10. A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and large eddy simulation model is used to calculate the reynolds stress and turbulent diffusion effect

    摘要建立立面二維水動力學與水溫耦合模型，用分步法求解流速和壓力，採用大渦模型計算紊動應力和紊動擴散。
  11. The rankine soil pressure theory is always accepted as the foundation of calculations of the soil pressure in practice. but as we know, the ignorance of the middle principal stress and the utility of mohr - coulomb strength criterion in the two - dimensional stress state make a blemish that the active soil pressure is bigger and the passive soil pressure is litter than the real

    朗肯土壓力計算公式一直是工程實際土壓力計算的理論基礎，但是朗肯土壓力計算公式在推導過程中忽略了中主應力的影響，仍然應用二維應力狀態下的莫爾?庫侖強度準則，致使計算出的主動土壓力偏大而被動土壓力偏小。
  12. In this paper we turn out the coherent - state expression of energy - momentum stress tensor in two dimensional schwarzschild black holes. the results have been discussed as well

    討論了一個二維黑洞的能量應力張量的相干態表示，並將這樣得到的結果與已有的結果進行比較和討論。
  13. Abstract : objective in order to analyse the stress distribution of the mandibular full overdenture supported by implants with magnetic attachments. method two dimensional photoelastic stress analysis were used in this study

    文摘:目的了解磁性固位的下頜種植覆蓋義齒的應力狀況及其分佈規律，為磁性固位體的臨床應用提供生物力學依據。
  14. Both two - dimensional and three - dimensional analysis is performed to prove the feasibility and the precision of the superposition integral method used in calculating the stress intensity factor

    同時本文分析了迭加積分法應用於線彈性動態應力強度因子計算的可行性與精度，並建議用於實驗數據的處理中。
  15. A modified two - dimensional dynamic effective stress method is established and also the corresponding program presented in the paper. and the method is used for analyzing the effects of liquefaction of sand soil zone on surface ground motion and the response spectrum of acceleration 、 velocity and displacement

    本文在現有研究的基礎上，建立了一種土體二維有效應力動力分析方法並編制了相應程序，並以此計算分析了飽和液化砂層對地表加速度反應譜、速度反應譜、位移反應譜的影響。
  16. According to the fundamental theories of elastic mechanics and superposition principle, this paper presented a complex functional solution which is numerically effective for solving the stress concentration problem in an infinite two - dimensional elatromer with arbitrary shaped holes by introducing conformal mapping technique

    本文的第一部分根據彈性力學中求解平面孔口問題的基本理論，利用疊加原理，引入保角變換技術給出了適合數值計算的無限大平板一般形狀孔口應力集中問題的復變函數解。
  17. At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm

    首先，在細觀層次上，根據蒙特卡羅隨機抽樣原理，在二維平面上建立了混凝土多邊形隨機骨料結構模型，然後採用有限元計算方法，根據最大周向正應力準則，對三點彎曲梁構件進行了開裂過程的模擬，並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準，得出了裂紋在基質、骨料及界面的擴展路徑。
  18. Compared with the condition of the two - dimensional stress state, the influence of all the parameters to the results of the formulas of the critical edge load and critical load in the condition of the three - dimensional stress state is analyzed in the end of this paper

    並通過實際的算例詳細的分析了臨塑荷載、臨界荷載中各個參數在二維應力狀態下和三維應力狀態下對計算結果進行了影響程度分析。
  19. The formulas of the critical edge load and critical load are expanded from the two - dimensional stress state to the three - dimensional stress state by using smp ( matsuoka - nakai ) strength criterion to substitute for mohr - coulomb strength criterion, and the new formulas are proposed in chapter three

    本文將臨塑荷載、臨界荷載計算公式擴展到三維應力狀態，應用smp （松崗?中井）強度準則替代莫爾?庫侖強度準則，推導了三維應力狀態下的臨塑荷載、臨界荷載計算公式。
  20. In order to study the features of freeze - thaw settlement in the permafrost, in this paper a two - dimensional numerical model of deformation and stress fields in embankment is established, together with finite element method, to calculate the distributions of deformation and stress fields of the freezing soil in an embankment

    摘要為了研究凍土的凍脹特性對公路路基穩定性的影響，建立了凍土路基變形場及應力場的二維數值計算模型，並應用有限元法求解路基土體凍結時變形場和應力場的分佈規律。
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