In this paper, a new method based on the theory of damage mechanics is suggested to estimate the fatigue life of offshore petroleum steel structures.
在损伤力学的基础上本文提出了深水海洋石油钢结构估算疲劳寿命的新方法。文中给出了石油大学新建立的疲劳损伤数学模型。
When using the theory of damage mechanics, the damage constitutive equations derived directly from thermodynamics is adopted to do following analysis.
应用损伤力学理论，采用从热力学出发导出的各向同性材料的损伤本构方程和损伤演化方程来进行计算分析。
The whole flaw development process of earth body in structure is analyzed according to the theory of damage mechanics and fracture mechanics from the view point of energy.
本文运用伤力学和断裂力学理论，从能量的角度对结构性土体裂纹扩展进行了全过程分析。
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