Author(s): ZHOU Shenjiesunshuxuncaozhiyuanwangweiqiang(collegeofenvironmentalandchemicalengineering, SHANDONG Universityoftechnology, JINAN 250061, CHINA) (departmentofengineeringmechanics, TONGJI University, SHANGHAI 200092, china)
Pages: 717-726
Year: 2000 Issue:  6
Journal: Acta Mechanica Sinica
Keyword:  边界轮廓法;  边界元法;  弹性薄板;
Abstract: 导出了弹性薄板弯曲问题边界积分方程的另一种形式，基于这种方程，提出了平板弯曲问题的边界轮廓法，讨论了三次边界单元边界轮廓法的计算列式，并给出了计算内力的边界轮廓法方程．该法无需进行数值积分计算，完全避免了角点问题和奇异积分计算．给出的算例，与解析解相比较，证实该方法的有效性．