Application of substructure method in anti-slide pile with prestressed cable 子結(jié)構(gòu)法在預(yù)應(yīng)力錨索抗滑樁中的應(yīng)用
Application of the direct transfer substructure method to earthquake-resistant analysis of a series reactor 直接遷移子結(jié)構(gòu)法及在疊積電抗器抗震分析中的應(yīng)用
The general formulation of pti, the substructure method of pti, and the proof of symmetry property of matrix exponential in pti are proposed 接著給出基于常規(guī)時間差分的求湃算法,并討論熱傳導(dǎo)靈敏度分析的半解析方法。
By adopting the layering foundation model, the contact element and the substructure method, the three-dimensional finite element analysis for soil, pile-raft foundation and frame-tube applied by the vertical loads is established 地基土采用分層地基模型,樁土界面采用接觸單元處理,上部結(jié)構(gòu)采用子結(jié)構(gòu)法處理。
Finally, this paper performs a dynamic analysis on a large-scaled paper machine adopting the substructure method based on the dynamic impedance of the pile foundation gained by the finite element method and by the dynamic code method respectively 最后,本文利用子結(jié)構(gòu)方法,利用本文有限元計算得到的樁基動力阻抗和《動規(guī)》方法求得的樁基阻抗,對一大型造紙機(jī)的樁基-機(jī)器系統(tǒng)進(jìn)行了動力分析。
First, the development of design method of high building is reviewed briefly in this paper, and the advantage and shortcoming among three-phase design methods are compared, and common various ground models and joint action mechanism are described . second, the application of substructure method in joint action analysis is intruduced . " finally, the reciprocity of common boxbase form and superstructure form is analyzed through two examples, and the rule, for example, the influence structure internal force degree of ground reversed distributing, partition installation etc ., is summarized correspondingly 本文首先對高層建筑的設(shè)計方法的發(fā)展作了一簡單回顧,比較了三階段設(shè)計方法之間的優(yōu)缺點,描述了常見的各種地基模型以及共同作用的作用機(jī)理,介紹了子結(jié)構(gòu)方法在共同作用分析中的應(yīng)用,最后通過兩個實例對常見的箱基形式和上部結(jié)構(gòu)形式之間的相互作用作了分析,總結(jié)了一些諸如地基反力分布、設(shè)置隔墻對結(jié)構(gòu)內(nèi)力影響程度等規(guī)律性,并作了相應(yīng)的結(jié)論和建議。
A method is proposed for the parameter identification of the viscoelastic internal dampers of the multirotor systems in this paper . the multi-rotor system is regarded as a composite structure . the impedance matching method in the substructure method for structural dynamic analysis is used for the dynamic calculation of the structure . the augmented lagrange method is applied to the iteration calculations of the characteristic determinant of eigenvalve equation of the system . and then the results of parameter identification can be obtained . upon the dynamic characteristics of the system, the method can reveal the influence of the gyroscopic moments of force precisely . in process of the analysis, the various properties of multi-rotor systems are made the best use of, so the measure of the modes parameters is avoided, the calculation is simplified . in addition, an efficient method is proposed to establish a dynamic model of multirotor systems with viscoelastic internal dampers . the calculating results are consistent with the experimental results satisfactorily 提出了多轉(zhuǎn)子系統(tǒng)的粘彈性中間彈支參數(shù)辨識的一種方法.該方法把多轉(zhuǎn)子系統(tǒng)看作復(fù)合結(jié)構(gòu),用動態(tài)子結(jié)構(gòu)分析的阻抗匹配法計算動力學(xué)特性,用增廣拉格朗日乘子法迭代計算系統(tǒng)特征方程的系數(shù)行列式,獲得系統(tǒng)物理參數(shù)的辨識結(jié)果.該方法可以準(zhǔn)確計入陀螺力矩的影響,避免測量振型參數(shù).在分析中,利用多轉(zhuǎn)子系統(tǒng)的特性可簡化分析過程.文中還介紹了一種建立粘彈性彈支多轉(zhuǎn)子系統(tǒng)動力學(xué)模型的方法.計算結(jié)果與試驗結(jié)果基本一致