structural mass造句
例句與造句
- The disadvantageous effect should be considered when the deflection between the structural mass center and stiffness center exists
摘要結(jié)構(gòu)剛度中心與質(zhì)量中心偏差較大時(shí)，應(yīng)考慮扭轉(zhuǎn)的不利影響，將高層建筑結(jié)構(gòu)等效為懸臂桿，從頂至底依次選取脫離體。 - In the second optimization model , the first mode frequency is decreased to let it below the frequency of brunt load and cut down greatly the structural mass
在第二個(gè)優(yōu)化模型中，考慮減小泵車的一階頻率，盡量低于油缸沖擊載荷的頻率，同時(shí)可使結(jié)構(gòu)質(zhì)量有較大幅度下降。 - The structural optimization based on noise attenuation is studied , in which the thickness of each link is taken as the design variable , and the weighting sum of structural mass and measure of the structural acoustic performance is taken as the synthesis performance index
選取機(jī)構(gòu)桿件厚度為設(shè)計(jì)變量，以機(jī)構(gòu)質(zhì)量和聲輻射性能量度的加權(quán)和為目標(biāo)函數(shù)，應(yīng)用改進(jìn)了的變尺度優(yōu)化算法對(duì)優(yōu)化問(wèn)題進(jìn)行了求解。 - On the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures , in association with practical example , the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method
該文在研究振動(dòng)沿裂縫傳播時(shí)所產(chǎn)生繞射波的特征基礎(chǔ)上，結(jié)合實(shí)例，介紹了運(yùn)用地震法探測(cè)結(jié)構(gòu)體裂縫深度的方法特點(diǎn)。 - Abstract : on the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures , in association with practical example , the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method
文摘:該文在研究振動(dòng)沿裂縫傳播時(shí)所產(chǎn)生繞射波的特征基礎(chǔ)上，結(jié)合實(shí)例，介紹了運(yùn)用地震法探測(cè)結(jié)構(gòu)體裂縫深度的方法特點(diǎn)。 - It's difficult to find structural mass in a sentence. 用structural mass造句挺難的
- The structural optimization based on noise attenuation is studied , in which the thickness of each link is taken as the design variable , and the weighting sum of structural mass and measure of the structural acoustic performance is taken as the synthesis performance index
采用結(jié)構(gòu)優(yōu)化的方法對(duì)機(jī)構(gòu)聲輻射控制問(wèn)題進(jìn)行了研究。選取機(jī)構(gòu)桿件厚度為設(shè)計(jì)變量，以機(jī)構(gòu)質(zhì)量和聲輻射性能量度的加權(quán)和為目標(biāo)函數(shù)，應(yīng)用改進(jìn)了的變尺度優(yōu)化算法對(duì)優(yōu)化問(wèn)題進(jìn)行了求解。 - In upper level optimization , the thickness and geometry factors of composite skins and webs as well as other structural dimensions are taken as design variables . then , considering the behavior constraints and the side constraints , the structural mass is minimized by the mathematical programming technique . in lower level optimization , the mathematical programming technique or the genetic algorithm ( ga ) is used to search the practical stacking sequence of composite skins and webs to realize the given thickness and geometry factors from upper level optimization
底層優(yōu)化設(shè)西北工業(yè)大學(xué)博士學(xué)位論文計(jì)以復(fù)合材料蒙皮和腹板等層合板各分層的厚度(或鋪層數(shù)) 、鋪層角和鋪層順序?yàn)樵O(shè)計(jì)變量，以層合板的幾何因子與頂層優(yōu)化設(shè)計(jì)給出的最優(yōu)幾何因子之間的誤差最小為目標(biāo)，考慮層合板厚度和制造工藝性約束，采用數(shù)學(xué)規(guī)劃方法或遺傳算法( geneticalgorithm ，簡(jiǎn)稱ga )求出底層最優(yōu)設(shè)計(jì)變量。