structure shape造句
例句與造句
- now discussing how to form this kind of the root on structure shape becomes a new topic
現(xiàn)在探討形成這種結(jié)構(gòu)形態(tài)的根源，就成為一個(gè)新的話題。 - consider the randomness of various in design process, use stochastic finite element method, simulates the structure shape more really
通過考慮設(shè)計(jì)過程中各變量的隨機(jī)性，利用隨機(jī)有限元方法，更加真實(shí)地模擬結(jié)構(gòu)形態(tài)。 - according to the rule of optimized design, structure shape of single-track railway tunnel is designed, then 7 kinds of schemes are brought forward
在滿足優(yōu)化設(shè)計(jì)原則的條件下進(jìn)行了單線鐵路隧道斷面形式結(jié)構(gòu)優(yōu)化設(shè)計(jì)，提出了7種備選方案。 - the concrete superposed structure is a kind of structure shape, belonging to assembled monolithic concrete structure, which combines with cast-in-site concrete structure and prefabricated concrete structure
混凝土疊合結(jié)構(gòu)一般是指在預(yù)制的鋼筋混凝土或預(yù)應(yīng)力混凝土梁(板)上后澆混凝土所形成的一種預(yù)制與現(xiàn)澆工藝相結(jié)合的裝配整體式結(jié)構(gòu)。 - traditional structural analysis is based on the single load model . however, in the construction period the reinforced concrete structure is a kind of time-varing structure in which structure shape, material performance and loads are all time-varing
傳統(tǒng)的結(jié)構(gòu)分析是按照一次加載模式進(jìn)行的，而施工階段的鋼筋混凝土結(jié)構(gòu)是形狀、材料性質(zhì)以及所承受的荷載均隨時(shí)間變化的時(shí)變結(jié)構(gòu)。 - It's difficult to find structure shape in a sentence. 用structure shape造句挺難的
- and use this optimization program computate the boom structure shape of heavy bucket-wheel stacker & reclaimer; based on shape optimization, we use second optimization technology to optimize structure section size . the optimization results are satisfied . the computation indicates that considering the geometric nonlinear element can enhance the calculation efficiency and precision of optimization design evidently in sensitivity analysis
編制了空間剛架結(jié)構(gòu)優(yōu)化設(shè)計(jì)程序(3dfem-opt.for),并利用編制的優(yōu)化程序?qū)δ炒笮投份喍?取料機(jī)前臂架在最大應(yīng)力約束條件下,進(jìn)行結(jié)構(gòu)形狀優(yōu)化設(shè)計(jì);在形狀優(yōu)化的基礎(chǔ)上,采用二次優(yōu)化技術(shù),對(duì)結(jié)構(gòu)的截面尺寸進(jìn)行了優(yōu)化。 - the design of tunnel lining structure is related with the drainage and waterproofing system, lining structure shape, the permeability coefficient of grouting loop and so on, which should be carried out through special research and calculation . it is inappropriate by adopting present standard drawing briefly . ( 9 ) with the action of external
本論文提出的以堵為主“控制排水”原則和考慮外水荷載作用的鐵路隧道襯砌結(jié)構(gòu)設(shè)計(jì)等定性原則和定量方法，盡管是初步的、探討性的，但這些原則和方法本身對(duì)改進(jìn)和完善我國現(xiàn)有鐵路隧道襯砌結(jié)構(gòu)設(shè)計(jì)方法，提高我國隧道設(shè)計(jì)水平具有重要意義。 - the characteristics of land use change in this area are increase of arable land, urban construction and residents in rural areas and considerable decrease of natural grassland, furthermore the trend of land use type reducing to one occurred . the spatial change of land use structure shaping gradient from along the coast to the inland is one aspect of character of land use change
土地利用變化的特點(diǎn)是耕地、城鎮(zhèn)建設(shè)用地、農(nóng)村居民點(diǎn)用地增加，天然草地大量減少，土地利用類型有向單一化發(fā)展的趨勢(shì)，土地利用呈現(xiàn)出明顯的由沿海向內(nèi)陸遞變的梯度型變化。 - there are three difficulties in shape optimization : the first one is the relation between design variables and objective function, or between design variables and constrant function is not easy to find the simple apparent relation and the sensitivity . the second one both the structure shape describing and the shape changing control is difficult . the third one is that the mesh should be generated and changed automatically in the procession of optimizing
形狀優(yōu)化的難點(diǎn)主要有三點(diǎn)：一是設(shè)計(jì)變量與目標(biāo)函數(shù)、約束的關(guān)系非常復(fù)雜，很難找到簡(jiǎn)單的顯式關(guān)系，敏度求解困難；二是結(jié)構(gòu)形狀不易描述，形狀變化不易控制；三是網(wǎng)格在優(yōu)化過程中需要自動(dòng)生成，而且會(huì)發(fā)生改變。