Example: Displacements on a cylinder under torsion

For the following example, consider a simple cylinder. The bottom edge is constrained, and a torque load is applied to the top edge:

The following figure shows banded contour displays of (1) X displacements in the absolute rectangular coordinate system and (2) R displacements in the absolute cylindrical coordinate system.

You can more clearly visualize the difference using an arrow display. The following figure shows (1) XYZ components and (2) rθZ components of displacement at element centroids.

Likewise, results are returned with respect to the specified element coordinate system when you use Identify to return results for selected elements.

Absolute rectangular coordinate system:

  Elem ID,   ...   XX,            YY,            ZZ,            XY,            YZ,            ZX9.2900e+002, ... 7.2177e+000,  -1.0313e+001,  -1.0755e+000,  -3.3338e-001,  -1.0861e+001,  9.4264e+000

Absolute cylindrical coordinate system:

  Elem ID,   ...   RR,            TT,            ZZ,            RT,            TZ,            ZR9.2900e+002, ... -2.1657e+000,  -2.2135e+000,  -1.4290e+000,  -7.6104e+000,  1.5099e+001,  5.8387e-002

How do I

Transform results in a selected solver output coordinate system

Transform results in a model coordinate system displayed in the graphics window

Transform results in a model coordinate system listed in the Simulation Navigator

Learn more

Coordinate systems in post-processing

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Example: Displacements on a cylinder under torsion, Simcenter 3D 2021.1 Series

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