Domain variables

Fields represent the relationship between a dependent domain and an independent domain. A domain is a collection of variables.

If a domain is comprised of only a single variable, the domain and the variable are essentially the same. However, domains can include multiple variables. For example, the independent domain for a material property might include temperature and strain as the independent variables. Similarly, the dependent domain of a field might include components of a vector quantity like force. For such a case, each component of the vector quantity is treated as a distinct dependent variable.

Variables always have a measure and can be either dimensional or dimensionless. If the variable is dimensional, units are associated with the variable. For example, if the variable is displacement, the dimension is length and the associated units are millimeters or inches, among others.

For formula and table fields, you can define dependent variables for scalar and vector quantities as complex.

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Fields

Domains

Types of fields

Acoustic attributes for frequency-dependent fields

Abaqus attributes for time-dependent fields

Using fields to define boundary conditions

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