Objective

To verify the truss element when used with skew coordinate systems.

Physical Problem

A cantilever truss structure under concentrated end load is considered as shown in Fig. A.13.

Finite Element Model

The truss structure is modeled with 2-node truss elements. The structure is inclined in the global coordinate system so it is effective to employ skew coordinate systems.

Solution Results

The displacement of the point of load application in the direction of the cantilever is:

User Hints

The skew coordinate system used for each node is oriented in the principal directions of the cantilever. The input concentrated force and all nodal results are then referred to this coordinate system.

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