In the Structural Model Creation app, you can use EKL to define certain fastener parameters such that the values depend on the properties of the connected layers. For example, you can have the diameter of a point fastener depend on the thickness of one or more of the attached layers. You can use engineering rules to define the following fastener parameters:
You can define engineering rules in the Engineering Rules Capture app to set parameters for point and line fasteners. While defining fastener relations, you use proxy parameters to represent the properties of the connected layers. These proxies act as stand-in variables for model parameters that are not available in EKL. During model build or model update, the app dynamically evaluates the proxy parameters. The true values of the proxy parameters are found by determining which layers a particular fastener connects, and using thickness data for each layer from its section definition. You can use the following proxy parameters when defining rules for fasteners:
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