principal axes of stress 中文意思是什麼

principal axes of stress 解釋
應力軸
  • principal : adj 1 主要的，首要的，最重要的；第一的。2 領頭的；負責人的，首長的。3 資本的，本金的，作為本錢的...
  • axes : n. 1. ax （e） 的復數。2. axis 的復數。
  • of : OF ＝Old French 古法語。
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. This paper uses the method of tensor to proof the tenable condition of generalized plastic potential, discuss the mathematical essential of the associated and disassociated flow rule and the relation of the yield surface and plastic potential surface, reason the expression of plastic factor strictly. debate the limitation on drucker ' s postulate. subsequently, this paper gives the mathematical basis of constitutive theory involving the rotation of principal stress axes. so it is proved that the mathematical and mechanical foundation of the generalized plastic mechanic

    本文運用張量的方法論證了廣義塑性位勢理論成立的充要條件，討論了關聯與非關聯流到法則的數學實質，屈服面與塑性勢面的關系，嚴密推導了塑性因子的表達式，討論了drucker公設的局限性，並給出了考慮主應力軸旋轉時土體本構模型理論的數學依據，系統的論證了廣義塑性力學成立的數學力學基礎。
  2. The numerical results show the validity of the model and the effect caused by the yield surface and the rotation of principal stress axes on soil deformation. lastly, the relative results are got by the comparison and analysis

    同時，依據兩個算例，分別研究了主軸旋轉和選用不同本構模型（雙屈服面模型、三屈服面模型）對土體位移和應力的影響，得到了相應的結論。
  3. The azimuths of the central principal axes of the dangerous sections on the frame of bulldozer are determined. the inertia moments to the central principal axes of the dangerous sections on the frame are calculated. this paper also determines the positions of the dangerous points and calculates the stress values of dangerous points on the dangerous sections

    分析了推土機臺車架在最危險工況下的受力狀況，確定了臺車架危險截面的形心主軸的方位、計算了臺車架危險截面對形心主軸的慣性矩、確定了危險點的位置、計算了危險面上危險點的應力值。
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