两端自由圆柱壳受局部横向冲击瞬态响应的一个近似级数解

详细信息

AN APPROXIMATE SERIES SOLUTION OF TRANSIENT RESPONSE OF CYLINDRICAL SHELLS WITH TWO FREE ENDS SUBJECT TO LOCALIZED IMPACT

摘要: 研究两端自由圆柱薄壳受横向局部冲击作用下的瞬态响应.采用基于Kirchhoff-Love假设的薄壳理论,用双富立叶级数表示柱坐标下三个位移分量,得到一个近似级数解.计算了柱壳受短时突加荷载作用下的位移和内力响应并与大型有限元软件ABAQUS的计算结果进行了比较,证明了本级数解的有效性.
- 瞬态响应 /
- 圆柱壳 /
- 横向冲击 /
- Kirchhoff-Love假设 /
- Laplace变换
Abstract: This paper is concerned with transient response of cylindrical shells with two free ends subject to localized impact. By employing the classical Kirchhoff shell theory, an approximate solution is obtained in which double trigonometric series are used to express the three displacement components. Cylindrical shells subject to a constant impact load of short duration are studied to verify the solution. Reasonably good agreement is reached between the results of the present solution and those of the computer code ABAQUS, showing the effectiveness of the present solution.
- transient response /
- cylindrical shell /
- transverse impact /
- Kirchhoff-Love hypothesis /
- Laplace transform