Special considerations for specifying magnitude and distribution in separate fields

For boundary conditions such as Force and Moment, how the software distributes the load depends on how you set the following in the Force or Moment dialog box:

• The Type setting

• The distribution Method setting

However, for all Type settings, the Total per Object and Geometric distribution distribution methods distribute the boundary condition uniformly over the region or edges to which the boundary condition is applied. For these distribution methods, you do not define a spatial distribution field. For all other distribution methods, you must define a spatial distribution field.

Depending on the Type setting and the distribution method, the spatial distribution field may be a scalar field or a vector field.

Note:

A scalar field defines a single functional relationship such as f= f(t) or f= f(x,y,z).

A vector field is comprised of three scalar fields, where each scalar field defines a component of the vector field.

• When the Type setting is Magnitude and Direction or Normal, a scalar field defines the spatial distribution of the boundary condition.For more information, see Distribution methods for magnitude and direction or normal type settings.

• When the Type setting is Components, the type of field depends on the distribution method as follows:When the distribution method is Spatial or Spatial - Load Conservation, a scalar field defines the spatial distribution of the components of the boundary condition. Thus, the spatial variation of each component is identical.When the distribution method is Spatial - Components or Spatial - Components - Load Conservation, a vector field defines the spatial distribution of the components of the boundary condition. Thus, the spatial variation of each component can differ.For more information, see Distribution methods for components type setting.

• When the Type setting is Edge-Face, a scalar field defines the spatial distribution of the shear, in-plane, and out-of-plane components of the boundary condition. Thus, the spatial variation of each component is identical.For more information, see Distribution methods for edge-face type setting.

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Special considerations for specifying magnitude and distribution in separate fields, Simcenter 3D 2021.1 Series

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