Stability of Volterra systems are discusses by subpositive definite matrix, and some new criterions for Volterra systems on overall situation stability, sector stability and connection stability are acquired. These re...Stability of Volterra systems are discusses by subpositive definite matrix, and some new criterions for Volterra systems on overall situation stability, sector stability and connection stability are acquired. These results expand or improve some existing criterions.展开更多
在中国商飞部装厂房3万m2焊接球屋盖整体提升的施工过程中,运用MIDAS Gen 7.80版本软件对柔性提升方法中的4根钢丝绳进行了受力分析。分析表明4根绳中,有一根绳长有微小的变化都会造成提升系统的较大变化。通过大量的计算与分析得出了...在中国商飞部装厂房3万m2焊接球屋盖整体提升的施工过程中,运用MIDAS Gen 7.80版本软件对柔性提升方法中的4根钢丝绳进行了受力分析。分析表明4根绳中,有一根绳长有微小的变化都会造成提升系统的较大变化。通过大量的计算与分析得出了合理的绳长变化度和施工的精度结合点。该方法能为同类工程钢结构工程的构件的加工和安装提供指导。展开更多
基金Supported by the Natural Sciences Research Foundation of Department of Education of Jiangsu Province(03KJD110088,05KJD110058)
文摘Stability of Volterra systems are discusses by subpositive definite matrix, and some new criterions for Volterra systems on overall situation stability, sector stability and connection stability are acquired. These results expand or improve some existing criterions.
文摘在中国商飞部装厂房3万m2焊接球屋盖整体提升的施工过程中,运用MIDAS Gen 7.80版本软件对柔性提升方法中的4根钢丝绳进行了受力分析。分析表明4根绳中,有一根绳长有微小的变化都会造成提升系统的较大变化。通过大量的计算与分析得出了合理的绳长变化度和施工的精度结合点。该方法能为同类工程钢结构工程的构件的加工和安装提供指导。
