# OOF: Finite Element Analysis of Microstructures

Node Info Dashboard
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## Node Info Dashboard

When the Node Info Dashboard is open, clicking the mouse on a node in the image prints information about the node to the Message Window. When the mouse is over the Drawing Area the cursor changes to a question mark. The node being queried is the closest one to the hook of the question mark.

The check boxes in the Dashboard determine what information is printed.

mouse position
The coordinates of the mouse in physical units.

node type
The type of the node, as described in Section 3.13.1 under the discussion of the interior_nodes variable. In addition, the status of the node's and degrees of freedom is reported. fixed() means that the degree of freedom is fixed (Section 3.22) and will not move during equilibration. The number in parenthesis is the number of fixed nodegroups to which this degree of freedom belongs. free means that the degree of freedom is not fixed. slaved means that the degree of freedom is slaved to others in its nodegroup (Section 3.24). autonomous means that the degree of freedom is not enslaved. It is possible for a degree of freedom to be simultaneously free and enslaved. Sorry about that.

node index
The index of the node. This may be used in the command /output/node. Node indices are also used internally in the .goof file.

current position
The position of the node, called x, y in the Message Window.

displacement
The displacement of the node from its original position, called dx, dy in the Message Window.

original position
The position of the node before the grid was distorted or equilibrated, called x0, y0 in the Message Window.

applied force
The force applied to the node via the /distort/set menu (Section 3.27), called fx, fy in the Message Window. Note that if the node contains an enslaved degree of freedom, then the reported force is the force on the master degree of freedom, which is the sum of the forces on all of the master's slaves. The force reported for a fixed degree of freedom is NOT the force reported by /output/force (Section 3.36), although it should be.

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