Because of the sliding at the loading node , this special loading condition can be simulated by contact between the loading head and leaf spring 并且采用加載頭和簧片間的接觸行為能較準(zhǔn)確的模擬出加載點(diǎn)存在著滑移狀況的這種特殊的加載形式。
Base on detailed analysis about physical mechanism of power vdmos , we present a macro - model which can accurately represent the characteristics of target power vdmos from - 50 ~ 125 此宏模型能在- 50 ~ 125范圍內(nèi),準(zhǔn)確的模擬功率vdmos的直流和動(dòng)態(tài)特性。
The traditional time step simulation is easy to learn , but because of the continuity of time , the discrete of time step , it is hard to get the accurate simulation result 傳統(tǒng)的時(shí)間周期步長模擬方法雖然能夠方便的理解,但是由于時(shí)間的連續(xù)性,時(shí)間周期步長的離散性,使準(zhǔn)確的模擬結(jié)果難以獲得。
The purpose of this thesis is based upon computer simulation of microcosmic traffic flow in freeway , and i can begin with easy problem and can simulate the phenomena of traffic of highway comparatively exactly 本文正是立足與高速公路微觀交通流的計(jì)算機(jī)仿真,從相對容易的地方入手,也就可以比較準(zhǔn)確的模擬出其交通現(xiàn)象。
In this thesis a rigorous thermodynamics model which can accurately predicate thermodynamic properties and phase equilibrium of hydrogen fluid is established through the method based on equation of state 本研究的主要目的就是建立一個(gè)可以準(zhǔn)確描述氫溶液汽液兩相平衡關(guān)系以及熱力學(xué)性質(zhì)的嚴(yán)格熱力學(xué)模型,并對實(shí)際氫同位素低溫精餾過程進(jìn)行準(zhǔn)確的模擬計(jì)算。
With the modeling versatility in disk geometry and material , the 3 - d hybrid method can simulate accurately the readout of an optical disk with direct investigations on the 3 - d full - wave near - field distribution , the far - field pattern and the readout signal 基于其在模型設(shè)定方面很好的通用性,此方法能夠準(zhǔn)確的模擬光盤光學(xué)信號(hào)讀取過程,并能夠直接給出三維近場全矢量衍射分布、遠(yuǎn)場矢量衍射圖樣及輸出信號(hào)。
This dissertation use the concept of waveform and the defines of waveforms computing to set up reality - closes simulation model , and puts forward a new simulation algorithm , which realizes simulating digital circuits more accurately under high clock frequency and large scale integration 本文運(yùn)用波形的基本概念和波形運(yùn)算的定義,建立了接近實(shí)際的模擬模型,并對原算法提出了重要改進(jìn),實(shí)現(xiàn)了對數(shù)字電路在高時(shí)鐘頻率和大集成度條件下的更為準(zhǔn)確的模擬。
But the three - dimension character is very clear to the flow filed of the yangtze estuary . a mature three - dimension estuary and coastal model ecom is used to simulate tidal current and residual field . the result shows the ecom model is used successfully to simulate the current field character of the yangtze estuary 由于長江口流場具有明顯的三維特性,因此引進(jìn)國際上比較成熟的三維河口海岸模型,結(jié)合長江口的實(shí)際情況對其中部分模塊進(jìn)行修改,應(yīng)用該模型對長江口的潮、余流場進(jìn)行準(zhǔn)確的模擬。
This results showed the program can be used to simulate the variation of sewage qulity validly and exactly in a sewer which has the same characteristic with that sewer . analysing the real data and simulation data ss and xs decreased apparently ; xbh increased apparently ; snh , snd , and xnd have little variation 對西安市某污水管道進(jìn)行水質(zhì)測定和模擬,各組分實(shí)測值與模擬值的相對誤差均小于5 . 0說明兩者較為吻合,應(yīng)用模擬程序可以對具有上述管道特征的排水管道內(nèi)水質(zhì)變化進(jìn)行有效和較為準(zhǔn)確的模擬。
Based on this simulation method , the following novel designs are developed : 1 , the two - stigma design , which can reduce the aberrations and improve the imaging of the grating ; 2 , the flat - field design , which can omit the output waveguides and make an edg easier tc fabricate ; 3 , the passband flattening design , which can relax the requirements on wavelength control for lasers and filters in a wdm system ; 4 , the reduced back - reflection design , which guarantees very little reflection light back into the input channel and improves the feature of the return loss 本論文以用于光通信中的平面集成蝕刻衍射光柵為研究對象,具體的分析了的它的工作原理和設(shè)計(jì)思想,并給出了設(shè)計(jì)中的經(jīng)驗(yàn)和方法。器件設(shè)計(jì)后需要進(jìn)行性能計(jì)算和模擬以減小復(fù)雜的集成光器件制作試驗(yàn),本論文描述了計(jì)算蝕刻衍射光柵比較準(zhǔn)確的模擬方法,其結(jié)果能夠很好的接近實(shí)際情況?;谶@樣的模擬計(jì)算方法,本論文提出了改進(jìn)蝕刻衍射光柵設(shè)計(jì)的幾種方法: 1