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When Force per unit volume is selected, the given load is multiplied by the cross-section area. This option is useful for modeling body loads like gravity or centrifugal loads.
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After selecting a Load type, the Load list normally only contains User defined. When combining the Truss interface with another physics interface, it is also possible to choose a predefined load from this list.
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You can add the Phase subnode to specify the phase of this load in a frequency domain analysis.
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You can specify this load to be a Harmonic Perturbation in a frequency domain analysis.
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