The purpose of this research is to develop computational procedures for nonlinear soil - structure interaction problems 摘要研究了土體構(gòu)造物共同作用的非線性問題。
As with any complicated computational procedure , it is essential to have some means to test the accuracy of the results 如同任何復(fù)雜的計算方法一樣,重要的是采用一些平均值去檢驗結(jié)果的精度。
In chapter six we consider the dual problem , develop several computational procedures based on duality , and discuss sensitivity and parametric analysis 在第六章中,我們考慮對偶問題,基于對偶建立幾個計算程序,并討論了參數(shù)和靈敏度分析。
Meanwhile , a modified newmark difference scheme and computational procedures has been proposed for fem dynamic incremental load method to the non - linearity of geometry and material 其后,對撞擊接觸的動力學(xué)數(shù)值計算原理及關(guān)鍵理論方法在連續(xù)介質(zhì)力學(xué)框架下進行了初步研究與歸納。
The automatic product n of the double circular arc gear contact computation finite element model was realized used the corresponding computational procedure established by finite element software ansys in to inlay the language 采用有限元軟件ansys的內(nèi)嵌語言編制相應(yīng)的計算程序,實現(xiàn)雙圓弧齒輪接觸計算有限元模型的自動生成。
The simultaneous outflow from dam of trunk and branch streams is studied also for wide rang floods . by the new computational procedure , the optimum scheme of outflow from dam will be determined to decrease the influence of flood 通過干支流大壩泄洪的演算,可確定大壩泄洪的優(yōu)化方案,并減小對下游的影響,起到水庫最優(yōu)調(diào)蓄洪水的作用。
The numerical experiments proved that the improved algorithm has the characteristics of easily to program and precision higher . based on it , detailed computational procedure package and curve storehouse of arbitrary kinds of mathieu function has also been obtained 數(shù)值實驗證明,這種改進后的算法具有易編程,精確度更高的特點。并在此基礎(chǔ)上給出了完整的計算程序包,建立了目前最為完整的mathieu函數(shù)曲線庫。
2 ) a computational procedure is proposed to solve the interaction problem of elastic structure and fluid . little simplification of fluid is carried out . the coupling algorithm solves the equations for the fluid and solid domains independently of each other 2 )在計算流體動力學(xué)( cfd )的基礎(chǔ)上,發(fā)展了一種流固耦合計算模式( fsi ) ,流體為粘性介質(zhì),采用ale格式處理流體和結(jié)構(gòu)之間的移動界面,流體域和固體域分別獨立計算,程序控制傳遞流體壓力及固體位移和速度作為對方的邊界條件,實現(xiàn)耦合計算。
On the basis of a case study regarding freezing engineering project from a coal mine , huainan , the frozen wall thickness , average temperature , freezing time of an oblique frozen tube axe simulated using large - scale non - linear finite element computational procedure adina numerical simulator , resulting in the data coincided with site measured 以淮南某煤礦凍結(jié)工程為研究背景,應(yīng)用大型非線性有限元計算程序adina模擬凍結(jié)管偏斜條件下的凍結(jié)壁厚度、平均溫度與凍結(jié)時間等,結(jié)果和現(xiàn)場實測十分接近。
For better veracity of simulating model , model is used lookup - table module to calculate the thermodynamic character of refrigerant , and datas of experience and test is combined in the compressor module , also the coefficient of heat transfer changing by running parameter is decided by computational procedure . in addition , choosing congruence step size solves the divergence of simulation procedure 為了使仿真模型具有相當(dāng)?shù)臏?zhǔn)確性,模型中采用查表模塊進行制冷劑熱力性質(zhì)計算,壓縮機模塊中將實驗數(shù)據(jù)與經(jīng)驗計算數(shù)據(jù)相結(jié)合,通過程序運算確定冷凝器和蒸發(fā)器傳熱系數(shù)與運行參數(shù)之間的關(guān)系,并成功解決了仿真程序運行發(fā)散的問題。