In this paper, the torsioncrack problem for a bar with cross section containing cusp points is discussed.
在本文中讨论了带裂纹杆的扭转问题，并设扦的截面周边具有回归点。
2
Using the interpolation models for both singular crack tip elements and other crack linear elements, the boundary element formulas of the torsion rigidity and stress intensity factors were given.
利用裂纹尖端的奇异元和线性元插值模型，给出了扭转刚度和应力强度因子的边界元计算公式。
3
The precision time step integration method (PIM) is used for the torsion vibration numerical simulation of diesel engine cracked shafting first, and the dynamic stiffness caused by crack is analyzed.