fluctuating nature 中文意思是什麼

fluctuating nature 解釋
波動性能
  • fluctuating : 波動的
  • nature : n 1 自然(現象) 大自然;自然界;自然力;〈擬人化時作 N 作陰性用〉造化 造物主。2 自然狀態 原始狀...
  1. Under varied loads such as cyclic and / or transient loading, soil structures or foundation will induce permanent and / or fluctuating plastic deformations. such plastic deformations are cumulative and / or alternating in nature with increase of time of loading during a sequence of cyclic loading. if the resulting accumulated deformations is limited within a given bound or the alternating deformations will be adapted to a given plastic state after a certain cycle numbers or a certain period of loading, the soils will be in shakedown state

    在復雜變值荷載作用下,結構有可能出現兩種狀態:一種是在若干次載荷循環之後,塑性變形趨于穩定,在此後繼的載荷循環中結構表現為純彈性響應,這種狀態稱為安定狀態( shakedown ) ;另一種則是塑性流動一直持續地發展或不斷反復,直至結構破壞,結構的破壞有兩種型式:一種是由塑性應變的累積引起的增量塑性破壞;一種是塑性變形多次反復引起的疲勞破壞,也稱為交變塑性破壞。
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