加载问题

7.

If you want to apply the pressures to the face of a solid element, click the toggle to select nodes on face:（压力施加在实体单元面上）（什么用？？？）

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You can select a surface that represents the faces you want the loads to be applied to. This places loads on the faces of all elements associated with the selected surface.

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Select the nodes representing the face of the solid element the load is to be applied to.

8.

If the pressure is being applied to the edge of an element for an（轴对称问题） axisymmetric problem, click the toggle to select nodes on edge:

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You can select the nodes that represent the edge of the element you want the load on, or the lines that represent the edges of all the elements that you want to place loads on.