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基于传递矩阵法的连续梁内力计算

Keywords: 有限元法,传递函数矩阵,连续梁

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Abstract:

为了对连续梁进行力学分析,提出了在矩阵位移法基础上改进的传递矩阵法.利用有限单元法对连续梁进行离散化,得到各杆单元位移向量、力向量和单元刚度矩阵,并利用传递矩阵法确定了杆端状态向量的传递关系.引入支承条件后可求解各结点位移和弯矩.连续梁的工程实例证明,本方法是正确和可行的,大大简化了计算过程,更适合于计算机进行连续梁内力的计算.

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