Energy Contributions scenario (Simcenter Nastran FEM)

The Energy Contributions scenario helps you to compute element energy (kinetic, strain, and damping) contributions. The Energy Contributions scenario is available when the following data is available.

• Element Energy (from an .op2 file)

• Assembly hierarchy information (from a .fem or .afm model)

• Physical Property information (from an .op2 file or a .fem or .afm model)

• Mesh definition (from an .op2 file or a .fem or .afm model)

The following types of analysis are available:

• Distribution per component — Sums all the element energy values for each component and plots the total energy as a function of the various components present in an assembly in a bar-chart. Use this analysis type to visualize the energy contributions of each assembly component.

• Modal/Frequency distribution per component — Sums all the element energy values for each component at each frequency or mode and plots the summed energy values as a function of frequency or modes in the XY plot or color bar.Note: In the graphics window, the XY plots are overlaid such that there is one XY plot for each component, and one for the selected .afm.

• Distribution by physical property per component — Sums all the element energy values for each physical property from the selected component and plots the summed energy values as a function of physical properties in a bar chart. Use this analysis type to visualize the energy contribution of all elements with the same physical property from the selected assembly component.Note: The following options are available with these three data definitions:Show contributions as % of total energy****Automatically Select Highest Contributors

• Distribution per component (contour plot) — Sums all the element energy values per component and shows a contour plot where each element value is the summed energy value for the corresponding component (so: one color for the entire component). The contour plot contains only the elements from the selected .afm and its child components.

• Distribution by physical property per component (contour plot) — Sums all the element energy values per physical property and shows a contour plot where each element value is the summed energy value for the corresponding physical property. The contour plot contains only the elements from the selected component.

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Energy Contributions scenario (Simcenter Nastran FEM), Simcenter 3D 2021.1 Series

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