A new type of water-soluble semi-inorganic silicon steel sheet varnish was developed for enhancing the insulation between silicon steel sheets which were used in electric motors.
為了增大電機(jī)鐵芯疊片間的絕緣,以改型酚醛樹脂為基體,納米TiO2為無機(jī)填料,研制了一種新型的水溶性半無機(jī)硅鋼片漆。
With an analysis of the roll shaping helical bolts, the paper proposes the reasonable deforming procedures as the bolts being under roll shaping, known as the press in semi infinite body through flat anviling.
通過對螺旋釘滾壓成形的分析,提出螺旋釘?shù)暮侠碜冃芜^程一平砧壓入半無限體,建立了相應(yīng)的工藝參數(shù)計算公式;經(jīng)實(shí)驗(yàn)應(yīng)用驗(yàn)證,計算簡便,準(zhǔn)確合理;為提高產(chǎn)品的產(chǎn)量和質(zhì)量提供了理論依據(jù)。
In terms of Cauchy s integral formula of analytical complex function and the three order spline function of complex variable, a general boundary solution method is presented for solving the complex potential field of the flow field around a 2D semi infinite body.
采用復(fù)解析函數(shù)的Cauchy積分公式和物面復(fù)勢三階樣條函數(shù)逼近,提出了一種求解二維半無限體勢流繞流問題復(fù)勢的通用方法。
The physical process of extended penetrator penetrating perpendicularly into semi-infinite target was described.
對伸出式侵徹體垂直侵徹半無限靶板的物理過程進(jìn)行了描述,分析了侵徹過程中一些重要參量的變化規(guī)律,并對此過程進(jìn)行了三維數(shù)值模擬,模擬結(jié)果與試驗(yàn)結(jié)果有較好的一致性;與具有相同質(zhì)量相同外徑的基準(zhǔn)桿進(jìn)行了比較,結(jié)果表明,在火炮速度范圍內(nèi),伸出式侵徹體相對基準(zhǔn)桿有較大的穿深增益,而且這種穿深增益隨著撞擊速度的增加而逐漸增加。
On the basis of experiments, the patterns of penetration of a long tube against a normal homogeneous semi-infinite target were described.
長管體侵徹靶板有明顯的特殊現(xiàn)象 ,根據(jù)試驗(yàn)結(jié)果描述了長管體垂直侵徹半無限靶板的物理圖像 ,建立了侵徹階段的理論模型、進(jìn)行了計算 ,并同長桿體進(jìn)行了對比 ,計算與試驗(yàn)結(jié)果吻合較好。
Self-similar solutions for semi-infinite interface crack spreading problems in orthotropic medias;
正交異性體中半無限長界面裂紋擴(kuò)展問題的自相似解
Infinite boundary elements for analysis of half-space problems;
用無窮邊界元分析半無限域問題
An infinite element approach for three-dimensional boundary element analysis of half-space problems is presented.
在現(xiàn)有程序基礎(chǔ)上,引入無窮邊界單元,利用其研究三維半無限域問題,并將計算結(jié)果與傳統(tǒng)邊界元法的計算結(jié)果進(jìn)行比較,驗(yàn)證了公式和程序的有效性。
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