joint variable 中文意思是什麼
joint variable
解釋
關節變量-
Exhaust gas passage with variable pressure : it is adopted to prevent foul air from toilet and kitchen ; check valve is added at the joint
變壓式排風：為防止衛生間、廚房排風井內的污風反竄到室內，排風道採用了變壓式排氣道，並在封到介面處增設了止回閥。 -
Ad joint variable method for design sensitivity analysis of multibody system dynamics described by ordinary differential equations
基於二階常微分方程的多體系統動力學設計靈敏度分析的伴隨變量方法 -
Based on the establish of d - h coordinate system, chapter five presents the kinematics equation of the robot, then gives the reverse kinematics solution according to the knowledge of robot reverse kinematics. and the close solution of each joint variable is gotten
第五章在對機器人建立了d - h坐標系的基礎上，給出了機器人的運動學方程；然後運用機器人逆運動學的知識對puma560進行逆運動學求解，得到各個關節變量的封閉解。 -
Computer calculation : taking ellipse as an example and taking matlab as an empolder environment, the maximal driving force ( torque ) and each joint variable, variable ' s accelerations, coordinate values of exercise point in workpiece coordinate frame and the distance of this point from base coordinate frame can all be calculated. finally each joint variable in finishing work are calculated
計算機求值：以橢球為例，以matlab語言為開發環境進行動力學求值，計算得到各關節處應施加的最大驅動力（力矩）及該值下的各關節變量、變量加速度、加工點在工件坐標系中的坐標及加工點距基坐標系原點的距離等值。 -
According to the model of structure fatigue damage fractal evolution, the relation between macro - damage variable, fractal damage variable and fatigue life can be found, and the fatigue damage evolution equation of ti alloy tc11 welded joint can be built, and the method of more forecast fatigue damage is given
根據結構疲勞損傷分形演化模型，通過對tc11鈦合金焊接試件的疲勞試驗和疲勞斷口分維數測量，得到了宏觀損傷變量和分形損傷變量與疲勞壽命的關系，建立了tc11鈦合金焊接接頭的疲勞損傷演化方程。給出了進一步疲勞損傷量預測的方法。 -
Many data such as m / g, em and seismic have been arranged, processed and interpreted in shengli oilfield, in which, the interpreted data ( 2 - d ) are 64 lines with 1800km. the techniques such as integration of process and interpretation, joint interpretation of m / g, em and seismic, variable velocity mapping, pressure prediction, constraint inversion without well and special process have been applied. the comprehensive researches on geology and physical exploration have been carried out in the whole block
該區油氣勘探始於50年代，勝利油田在該區塊先後部署、處理、解釋了重、磁、電、震等多種資料，其中解釋地震資料（ 2d ） 64條、 1800多公里，才用了處理解釋一體化、重、磁、電、震聯合解釋、變速成圖、壓力預測、無井約束反演、特殊處理等技術，對整個探區進行了地質、物探等綜合研究，發現兩個有利構造帶，落實了13個圈閉構造，提交了兩口探井井位。 -
Then we get ruin probability, actuarial diagnostics and lundberg inequality in the new model. as to the risk model with random premium rate, we concerned with discrete random variable, continuous random variable and general random variable. we derive the formula of ruin probability, the extreme during the total duration of negative surplus and the joint distribution of the surplus immediately before ruin and the deficit at ruin
對于保費率為隨機變量的一類風險模型，本文就離散的隨機變量、連續的隨機變量、一般的隨機變量三個方面進行討論，運用概率方法和風險理論的方法推導出破產概率、末離前最大盈餘分佈、破產前瞬時盈餘與破產赤字的聯合分佈等精算量分佈的一般公式。 -
Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then ， a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable ， in conventional analysis and design of steel structures ， it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design ， but cannot precisely reflect structural practical circumstance and the errors of calculating results are large ， even ， get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 ， 10 ) ， however ， it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper ， at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring ， base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been
本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法，供規范使用過程的補充、延伸或參考；同時，也將促進半剛性連接鋼框架設計技術的發展，為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型，在分析比較的基礎上，選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型，通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知，經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度，根據梁的轉角位移方程推導出半剛性連接的剛度矩陣，在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響，並對固端力進行了修正，最後用增量迭代法編制有限元程序進行計算和分析。 -
The numerical modeling and calibration considers the following aspects : the element types, the modeling of the weld, the modeling of the members and the behavior of material and geometrical non - linearities. 4, in the parameterical study, a amount of joints with the variable joint parameters under different load - case are analyized. based on the analytical formula and the experimental and numerical results, design recommendation on the static strength for such connections are proposed
（ 4 ）參數研究:運用已經建立的數值模型，對平面x型和空間xx型相貫節點在各種工況作用下的靜力工作性能進行了大量系統的參數研究，並與現有設計指南和規范進行了比較，從中得出了各節點參數對極限承載力影響的一些規律。 -
Taking ti alloy tc11 electron beam welded work - piece as research object, which is the conventional material of aero engine compressor blisc, the fatigue damage evolution law of fatigue damage action in the area of welded joint based on damage mechanics theory is analysed, and fatigue damage model, which macro - parameter and micro - damage characteristics are related, with fractal geometry - a new conception of modern mathematics is set up in this paper. it tries to research the measuring method of fatigue fracture fractal dimension and the relationship of fractal damage variable with fatigue life. it also sets up the welded joint fatigue damage fractal evolution equation
本課題以航空發動機壓氣機葉盤常用材料鈦合金（ tc11 ）電子束焊構件為研究對象，對焊接接頭的疲勞破壞行為，基於損傷力學理論分析其疲勞損傷演化規律，應用現代數學的新概念? ?分形幾何學理論，建立宏觀參量與細觀損傷特徵相聯系的疲勞損傷模型，研究疲勞斷口分維數測量方法以及分形損傷變量與疲勞壽命之間的關系，建立焊接接頭疲勞損傷分形演化方程。
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