Animation memory management and performance options

When you animate large models, this software may consume all available system memory during the initial loading of animation frames. To reduce memory consumption when animating a Smooth, Banded, or Element post view display, use the Compress check box on the Display tab of the Post View dialog box. The software uses the index primitives rendering algorithm, which reduces the memory requirements for each frame of the animation. The Face Normal Tolerance and Value Level Tolerance options offer a further reduction of memory usage.

When you select the Compress check box, the initial load of the animation frames is slower. To minimize this performance impact, you can turn off ambient lighting by clearing the Lighted check box.

Memory and performance effects

Option	Memory consumption	Loading performance of animation frames
Default settings: Lighted Compress	Baseline	Baseline
Lighted Compress	Less memory used	Slower
Lighted Compress	Least amount of memory used	Faster (although somewhat slower than baseline)
Lighted Compress	Baseline	Fastest (faster than baseline)
**Face Normal Tolerance (Deg)**Available when:Compress=Lighted=	Memory consumption is reduced further as you increase the tolerance. The maximum tolerance is 90 degrees.Models with many features or a large variation in results will show a greater reduction in memory consumption.	No effect
**Value Level Tolerance (%)**Available for element-nodal and elemental results when:Color Display = Smooth.Compress=	Memory consumption is reduced further as you increase the tolerance. The maximum tolerance is 50%.Models with many features or a large variation in results will show a greater reduction in memory consumption.	No effect

Post view display effects

Option	Effect on post view display	Example display (Stress – Element-Nodal results, Nodal Combination=Average, Smooth color display)
Default settings: Lighted Compress	Default
Compress	Shading is smoothed at the edges that have curvature changes; the display change is subtle.
Lighted	Ambient lighting is turned off. Contours are displayed without the effects of shadows. For some models, the shape of the geometry is not as clear, and features such as holes are not as visible.
Face Normal Tolerance	When the difference of the angles of two neighboring element face normals is within the tolerance, the normals of the two faces are combined, which compresses the display. Some smoothing of the shading at the edges will be apparent; features below the angle tolerance may not be visible.Models with many features will be smoothed more dramatically.
Value Level Tolerance	If the result at any element’s node differs by this percentage from the average of all element-nodal results, the post view displays the separate element-nodal results rather than the averaged element-nodal result. A very subtle smoothing of the shading may be apparent.Models with a large variation in results are smoothed more dramatically.

How do I

Create an empty post view

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Large model post-processing

Disabling rendering of backface polygons

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Animation memory management and performance options, Simcenter 3D 2021.1 Series

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