| 1. | New low cycle fatigue life criterion under nonproportional loading based on critical plane methods
新的非比例加载低周疲劳寿命估算方法 |
| 2. | To some extent , it has a clear physical significance due to taking into account of the two main parameters on the critical planes
由于该方法考虑了临界损伤平面上的两个控制疲劳损伤的主要参数，因而其本身具有一定的物理意义。 |
| 3. | To be convenient , we only study the motion of a helicopter in the critical plane , and a simplified point - mass model is used
然后，为了便于最优控制问题的分析和计算，本文只考虑直升机的二维运动，从而得出一个简化的点质量模型。 |
| 4. | Finally , two new methods of multiaxial fatigue life prediction were presented by the analysis of the stress - strain and damage parameters on multiaxial fatigue damaged critical planes
第四，通过对多轴疲劳损伤临界面上的应力应变及损伤参量进行分析，提出了两个新的计算多轴缺口件的寿命估算方法。 |
| 5. | A multiaxial fatigue damage parameter for fibre - reinforced composite was presented based on critical plane approach and the multiaxial fatigue damage characteristics of composite were investigated
摘要基于临界平面方法，提出一种用于纤维增强复合材料的多轴疲劳损伤参量，研究了复合材料多轴疲劳损伤特徵。 |
| 6. | For multiaxial life prediction , the critical plane approach is better than that of others , however , the accuracy of life prediction is deeply influenced by the results of stress - strain analysis
在多轴疲劳寿命预测的问题上临界平面法是一种比较好的方法，而影响临界平面法预测结果精确度的主要因素是所进行的应力应变分析。 |
