| 变截面压杆的临界荷载计算 |
| Calculation of Critical Load of Non uniform Compressed Rods |
| 投稿时间：2012-11-18 |
| 中文关键词:变截面 临界荷载 压杆 |
| 英文关键词:variable cross section critical load compressed bar |
| 基金项目:国家自然科学基金(11272219,11072157) |
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| 中文摘要: |
| 变截面杆件的临界载荷问题，其平衡方程为变系数微分方程，只有少部分的情况可以得到其解析解，采用改进的WBK法,计算了若干变截面压杆的临界荷载，并与有限差分法进行了对比，证实了其可靠性。 |
| 英文摘要: |
| The governing equation of variable cross section compressed bar is a differential equation with variable coefficients. There are some exact solutions for very few cases. Using method of modified WBK method, the critical load of some compressed bars are calculated, which are verified by finite difference method. |
| 马宝平,郭树起,冯自进.变截面压杆的临界荷载计算[J].石家庄铁道大学学报(自然科学版),2013,(2):106-110. |
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