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1·According to the seam displacement, all kinds of boundary condition can be introduced and the nodal displacement can also be calculated easily.

通过界面位移可以简洁地将位移和力的边界条件引入离散系统的控制方程，也可以方便地求解节点位移。

2·By dealing with constraint condition and cell parameter, results of elements' stress and nodal displacement of the keel were obtained under gravity load condition.

对约束条件以及结构单元参数进行了分析，得到了龙骨结构在重力载荷作用下的应力和变形。

3·The modified MLS shape function, for alleviating the above problem, is given by establishing the relationship between the nodal value and the generalized displacement.

本文通过建立节点位移和广义位移之间的关系对移动最小二乘形函数进行修正，给出了修正的移动最小二乘形函数；

4·Using the finite element method, they finally obtain the displacement and stress of nodal points.

用有限元法解出最终结点位移和应力。

5·By introducing the boundary conditions of the circular plate, the flexure displacement, radial rotation Angle, radial bending moment and radial shear force on each nodal line of the plate were given.

引入圆板的边界条件，给出了该板每条节线上的挠度、径向转角、径向弯矩和径向剪力。