Member Stiffness and Contact Pressure Distribution of Bolted Joints
Member Stiffness and Contact Pressure Distribution of Bolted Joints
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DOI：
10.1115/1.2919413
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发表时间：
1994-06
影响因子：
3.3
通讯作者：
T. F. Lehnhoff;K. Ko;M. Mckay
中科院分区：
文献类型：
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作者：
T. F. Lehnhoff;K. Ko;M. Mckay
计算了不同螺栓尺寸、不同厚度和不同材料的螺栓连接件的刚度、螺栓和杆件的应力分布。用有限元法计算了螺栓连接件各构件的位移和应力分布。使用轴对称单元，螺栓连接可以作为二维问题进行分析。根据有限元结果计算了杆件刚度比，并与常用理论计算的杆件刚度比进行了比较。对于应用该理论的假设，这些值大致相当（16- 30%的差异）。给出了几种螺栓连接的杆件刚度比的计算公式和无量纲曲线。
Member stiffnesses and the stress distributions in the bolts and members of bolted joints have been calculated for various bolt sizes, as well as thicknesses and materials of the members. The finite element method has been used to calculate the displacement and the stress distributions in the components of the bolted joint. Using axisymmetric elements, the bolted joint could be analyzed as a two-dimensional problem. Member stiffness ratios were calculated from the finite element results and compared with those calculated by a commonly used theory. The values were approximately comparable (16–30 percent difference) for the assumptions under which the theory was applied. Formulas and dimensionless curves which can be used to estimate the member stiffness ratios for several kinds of bolted joints are presented.