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[GEN/Result]Distinguishing Between the Coordinate Systems of Local Direction Force Sum and Plate Elements

Question

The results of Local Direction Force Sum are given for Mx, My, and Mz. Are the coordinates of the Plate element's coordinate system different from the coordinates of the results of Local Direction Force Sum?

 

Answer

The coordinate system used in Local Direction Force Sum is different from the coordinate system of the Plate element.

The coordinate system for the Local Direction Force Sum is shown in the figure below: the axis connecting the first point and the second intercept is Local z, the axis perpendicular to Local z in the same plane is Local x, and the axis perpendicular to the x-z plane is Local y. In other words, the right-hand rule determines the coordinate axes.

In other words, once Local z is determined, the right-hand rule determines the coordinate axes, and the moments of rotation about each axis are Mx, My, and Mz.

[Image-1] Set Coordinates for Local Direction Force Sum

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