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linear elastic fracture mechanics中文是什么意思

  • 線彈性動力學(xué)
  • 線彈性斷裂力學(xué)

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  • 例句與用法
  • Linear elastic fracture mechanics , lefm
    線彈性斷裂力學(xué)
  • Linear elastic fracture mechanics
    線彈性斷裂力學(xué)
  • Lefm plastics - determination of tension - tension fatigue crack propagation - linear elastic fracture mechanics approach
    塑料.測定拉伸-拉伸疲勞斷裂延伸性.線性彈力斷裂機械
  • ( 4 ) because calculation of stress intensity factors using the finite element method of the linear elastic fracture mechanics cannot satisfy the need for the real - time monitoring and the real - time analysis of cracks in concrete dams , a four - layer neural network optimized by genetic algorithm and chaos optimization algorithm is proposed . the example shows that the optimized neural network can yield good results
    ( 4 )用斷裂力學(xué)有限元計算應(yīng)力強度因子不能滿足對混凝土壩裂縫實時監(jiān)測、實時分析中的要求,提出了利用遺傳算法和混沌優(yōu)化算法改進的四層神經(jīng)網(wǎng)絡(luò)的解決方法,實例分析表明,本文提出的四層優(yōu)化神經(jīng)網(wǎng)絡(luò)計算的應(yīng)力強度因子接近于用斷裂力學(xué)有限元計算的應(yīng)力強度因子。
  • A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen , namely , concrete exhibits somewhat quasibrittle behavior , which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials
    現(xiàn)在已經(jīng)意識到,混凝土在其典型的位移曲線中呈現(xiàn)出的非線性特征是由于裂縫在端部的緩慢擴展引起的,可以認為是混凝土的一種半脆性性能。這是在發(fā)現(xiàn)傳統(tǒng)的線彈性斷裂力學(xué)( lefm )和適合金屬類材料的斷裂模型不適用于混凝土研究時得出的結(jié)論。
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