Main Content

Custom Domains

Write Simscape™ files to represent custom domains

Language Syntax

domainDomain model keywords
parametersSpecify component parameters
variablesDefine domain or component variables


When to Define a New Physical Domain

A physical domain provides an environment, defined primarily by its Across and Through variables, for connecting the components in a Physical Network.

How to Define a New Physical Domain

To define a new physical domain, you must declare the Through and Across variables associated with it.

Simscape File Types and Structure

Overview of the Simscape file types and structure.

Declaring Domains and Components

Declaration section of domain and component files: purpose, definitions, rules, member summaries.

Declare Through and Across Variables for a Domain

In a domain file, you have to declare the Through and Across variables associated with the domain.

Define Relationship Between Component Variables and Nodes

How to connect Through and Across variables declared in a component file to the domain Through and Across variables.

Declare a Mechanical Rotational Domain

The following file, named rotational.ssc, declares a mechanical rotational domain, with angular velocity as an Across variable and torque as a Through variable.

Working with Domain Parameters

The purpose of domain parameters is to propagate the same parameter value to all or some of the components connected to the domain.

Attribute Lists

Model attributes and member attributes used in Simscape language.