Defining Nonuniform Force Loads
To apply nonuniform force to an entity in a certain direction:
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In the Simulation study tree, right-click the External Loads 
icon and select Force.
The Force PropertyManager appears.
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Click inside the Faces, Edges, Vertices, and Reference Points for Force box 
, then select the entity to which the force is applied.
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Click Selected direction.
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Click inside the Face, Edge, Plane, Axis for Direction box 
then select an entity to specify direction.
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If you have selected more than one bodies to apply force, select either Per item or Total.
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Select the desired Unit 
.
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Under Force, click the desired force components and type in a value for each.
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Check Nonuniform Distribution.
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Click inside the Select Coordinate System box 
then select a coordinate system from the graphics area or from the FeatureManager tree.
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Type the coefficients of the nonuniform distribution and click 
.
To apply nonuniform force normal to a face:
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In the Simulation study tree, right-click the External Loads icon and select Force.
The Force PropertyManager appears.
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In the graphics area, click the faces to which you want to apply the force.
Normal force to the selected faces is applied by default.
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Under Unit , select a unit system.
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In Force Value 
, type in the value of the normal force.
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If you have selected more than one bodies to apply force, select either Per item or Total.
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Check Nonuniform Distribution.
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Click inside the Select a Coordinate System box then select a coordinate system from the graphics area or from the FeatureManager tree.
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Type the coefficients of the nonuniform distribution and click .