... 三等分点荷载 third point loading 一致节点荷载 consistent nodal load 点荷载抗拉试验 point load tensile test ...
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The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。
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