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In the Volume Load boundary condition, a distributed load per unit volume is applied on a body (or set of bodies). It is useful to model body loads, such as weight, inertial effects, centrifugal force, electromagnetic loads, and any load that is proportional to the volume (or mass) of the body.

The parameters of the boundary condition are:

1. Load: The components of the applied load, expressed in the global coordinate system directions of the model $$(t_x, t_y, t_z)$$.
2. Assignment: Set of volumes where the load will be applied.

## Supported Analysis Types

The following analysis types support the usage of this boundary condition:

## Resultant Force Magnitude and Direction

The traction vector is defined by the components of the load:

$$\vec{t} = (t_x, t_y, t_z)$$

Each component has units of force ($$N$$, $$lb.$$, etc) per unit of body volume ($$m^3$$, $$cubic in.$$, etc). The total applied force vector over the assignment set depends on the total volume:

$$\vec{F} = \int \vec{t} dV$$