elastic base 中文意思是什麼
elastic base
解釋
彈性基礎-
First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。 -
Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation
針對以上問題本文做了以下一些工作並得到若干結論： （ 1 ）提出了「復合雙層地基」的概念，並通過工程實例證明此概念的提出有其合理性和必要性； （ 2 ）用彈性地基梁理論證實了復合雙層地基確有應力擴散效應，且擴散效應隨上覆硬層厚度、剛度的增加而增大，隨下臥層基床系數的增大而減小； （ 3 ）建立了非線彈性、各向異性有限元模型，並以此為基礎分析了復合雙層地基的應力擴散效應，得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論； （ 4 ）推導了可用於常規計算的復合雙層地基應力擴散系數公式，並代入工程實例進行了驗證。 -
In the last, silo structures or its base is simplified as suspensory beam, witch ca n ' t correspond with project practice o considering the interaction among bulk solid, structure and its foundation, a semi - analytic element method static and dynamic analysis on silo structures on elastic foundations is presented in this paper
本文以某大型筒倉結構為例，考慮到散體、結構、地基的相互作用與影響，考慮地基與基礎及結構的耦合問題，採用半解析半數值的方法對彈性地基上的筒倉結構進行了靜、動力的分析計算。 -
The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied
本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組，數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流，並在此基礎上研究了彈性機翼的氣動彈性問題。 -
Elastic stability analysis of rigid frame with fixed - base
柱腳剛接的單層單跨剛架的彈性穩定分析 -
On the base of milling ball interaction during milling process, the powder height of each collision can be calculated. if the impact of milling ball takes as hertz elastic collision, the maximum real strain and the maximum tangential strain are obtained as follows, e, . , ln [ h, / ( h0 ? vrcos6 / 2 ) ] = vrsin6 / h0 ? / q, t2rt2 / 2om ~ h, j where s, p, v are maximum real strain, the maximum tangential strain, friction coefficient and the velocity of milling ball
對球磨過程中磨球相互作用作了一些假設后，可以計算出每次碰撞所獲得粉末體高度值；將磨球的碰撞作為hertz彈性碰撞，碰撞時的速度分解為法向速度和切向速度得出粉末的最大真應變和最大切應變為湖南大學材料物理與化學專業碩士論文r 。 -
In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed
為進一步發展和完善基礎隔震結構分析理論和計算方法，本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎，對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作：根據隔震系統力學性能的特點，在現有研究成果的基礎上，對隔震系統恢復力計算模型進行了改進和創新，提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型，鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型，摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。 -
Thirdly writer, using linear elastic theory and finite element program ( ansys ), analyzed expanding bolt pullout test. fifthly, writer using the modified mohr - coulomb failure theory, on the base of curving failure surface, derived a theoretical formula between pullout force and compressive strength. then the thesis compared the formula with the strength - detecting formula of expanding bolt pullout method
本文採用ansys有限元程序對脹栓拔出法試驗過程進行彈性理論分析；以修正的摩爾-庫侖破壞準則，在擬合實際破壞面的基礎上推導出極限狀態下脹栓拔出法的混凝土拔出力與混凝土抗壓強度的理論公式，並把該公式與脹栓拔出法測強公式進行了比較。 -
The deformation of the structure mainly focused on the isolated layers and the superstructure shift as a whole. the interlayer displacement of the isolation system is far low. the earthquake effect of the base - isolated structure is dicided on the horizontal stiffness and elastic and plastic capability of the isolated layer, the base shear, the interlayer shear, th ' e interlayer displacement of the isolation system is far lower than the result of the base - fixed system under the same condition of the superstructure
橡膠墊隔震結構在水平地震作用下的反應以「整體運動」為主，結構位移主要發生在隔震層，上部結構的層間位移很小。隔震結構的地震反應主要決定於隔震層的剛度和彈塑性性能。其中，隔震結構的基底剪力，上部結構的層間剪力在多遇地震下，比不隔震時均有所降低。 -
Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result
為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響，採用時間增量法對每個計算階段根據其階段內時步數進行循環，以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量，利用有效彈性模量法計算混凝土徐變收縮次內力，在此基礎上，結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。 -
Generally, the analysis model of structure should not be simplified into structure with only one tower unless the rigidity of large base are more than the one of the tower and it is necessary to make the elastic - plastic time history analysis ; ( 3 ) it is necessary to make supplementary time history analysis of tall building with muti - towers when the layout of the structure is asymmetry
除底盤剛度相對于上部剛度很大的結構，一般情況下，不能簡單地將其簡化為單塔樓結構進行計算；有條件時應進行大底盤多塔樓結構的彈塑性時程分析；多塔樓高層建築結構布置不規則時宜採用時程分析法進行補充計算。 -
Based on the full - depth / part - depth shear spring model proposed by luo weide and the theoretical corealation between the pile base resistance and the pile base settlement presented by randolph, a elastic analytical approach for computing the pile compression is conducted
本文利用羅惟德全深度? ?變深度剪切彈簧模型推導了樁身壓縮量的彈性理論解析計算方法，選用randolph的樁端沉降與樁端阻力的關系，利用荷載傳遞法推導了樁身壓縮量的數值計算方法。 -
This paper analyzes the local stress of the elastic base seat of the sensor on ladle vehicle electronic scale, and finds out the reasons for the fracture failure of the elastic base seat
摘要利用有限元方法對鐵水車電子秤的傳感器彈性座體進行了局部應力分析計算，找出了彈性座體斷裂破壞的原因。 -
Through the analysis and calculation the conclusion can be made that during the process of the timbering of excavation, the magnitude of soil stress decreases with the increase of the displacement on the base of the still earth pressure, and the earth pressure distribution varies from the triangular distribution of the still earth pressure to other distribution with the displacement of the timbering structure. the thesis introduces the bedding coefficient in the horizontal direction varying with the soil displacement from soil - structure interaction mode, therefore calculation can be made to get more rational calculation result using elastic foundation finite element method which is the same to timbering structure both upwards and under excavation surface
通過分析計算可以得出，在基坑支護過程中，土壓力的大小在靜止土壓力值的基礎上隨支護結構向坑內側位移增大而減小；土壓力的分佈由靜止土壓力的三角形分佈隨支護結構位移變化成其它分佈；由土-結構共同作用模式引入隨土體位移變化的水平向基床系數，使支護結構在開挖面以上部分同以下部分一樣，均可採用彈性地基有限元法進行計算，得出更為合理的計算結果。 -
When the elastic design method is used, the paper proposes the recommendation that designer can not consider second - order effect on structural internal force, but must consider the effect on drift computing, and also gives a simplification method for calculating the second - order drift. base on above research achievements and referencing current design codes and research documents, this text has done overall discussions on the elastic design method, the chief works includin
基於前面的研究成果，參考現有各國鋼結構設計規范和已有的研究文獻，本文首次對鋼結構錯列析架體系的彈性設計方法作了全面的探討，主要工作包括材料的選用、構件截面形式、構件彈性設計方法、連接節點設計和構造詳圖、組合樓蓋的設計、栓釘剪力連接件的設計。 -
By means of modulus measurements of two kinds of timber, when the frequency of vibration is higher than the base frequency, the elastic modulus is increased with frequencies ; but the loss modulus decreases with frequencies
在縱振動過程中，兩種木材的動彈模量隨著頻率的增大而增大，而耗散因子隨著頻率的增大而減少。 -
The results are important for dam base excavation and engineering disposal. ( 2 ) arch dam can be regarded as an elastic ground cantilever system composed of vertical cantilever, horizontal arch, and torsion structures. the dissertation takes the arch dam as load diversion system of arch - cantilevers system located on the ground composed of elastic cantilever
（ 2 ）將拱壩虛擬為由座落在壩基塊體有限元上的一系列懸臂梁與水平拱組成，將懸臂梁視作由水平拱所支承的彈性地基梁，考慮徑向和切向調整，比以往的彈性地基梁只考慮徑向調整有所發展；而且用塊體元模擬壩基，也能較精確地模擬壩基多種斷裂構造等對壩體結構行為的影響。 -
In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3d elastic wave equations and apply to the 3d elastic wave numerical modeling in isotropic medium
本文基於傍軸近似法提出了計算三維彈性波方程的吸收邊界條件公式，表示了各邊界面、邊棱和角點處波場所滿足的單程波方程，並在三維彈性波數值模擬中進行了應用。 -
In this paper, ansys is been used as numerical method. base on one example, fem model is created by using parameterized modeling and the develop technique by ansys, the effect of the model size has been studied. lt has been certified that the proper parameter value of the model is helpful to develop the analysis accuracy. the length, the diameter and the elastic modulus of pile is changed to study their effect. the analysis shows that : as to frictional pile, big length, big diameter, and great modulus is helpful to develop the bearing capacity of piles
並分析了模型尺寸對分析結果的影響，結論表明，適當的選取模型參數，有利於分析的精度的提高。文章還通過改變不同的樁土系統參數，樁長，樁的直徑，以及樁的彈性模量，得到了樁土系統的響應，繪制了p ? s曲線，結論表明，對于摩擦樁而言，增大樁長，提高樁的直徑，或者提高樁的彈性模量，有利於提高單樁的極限承載力。 -
Base on the elastic half space theory of the dynamic foundation, analyzing the relationship between the vibration frequency and the dynamic shear modulus of the soil, a relationship between the vibration frequency and the self - property of the subsoil can be carried out. that is the expression about the relationship between the vibration frequency and the density of the soil can be carried out
通過採用動力基礎半空間理論，分析錘擊產生的地基土的振動頻率與地基土的動剪切模量之間的相關關系，就又可以得到地基土自振動頻率與土體本身性質之間的關系，即與土體的密實度之間的關系。
分享友人