Hydrostatics
Dimensions
and call it General
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Because their there will only be two possible values for parameter Rho
(1.025 or 1.000 [t/m3]), it is useful to create a dropdown box. This can be done by providing a special reference.
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In the Hydrostatics
entity, calculations need to be performed based upon information from Main Dimensions
and some relation. In order to achieve this, you have to create so called entity-relations. The first entity-relation to create will be for parameter Boa
in entity Hydrostatics
: the value of Boa
in entity Hydrostatics
should be equal to the value of Boa
in entity Main Dimensions
.
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By adding the relation to the Knowledge Browser, you can connect it several times to various parameters in various entities, saving a lot of time.
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To connect the relation, in the Workbase, select the parameter Displacement
in entity Hydrostatics
. Then, select the right mouse button menu Taxonomy>Choose/create relation or relation or press Ctrl+T. A window will open showing the available relations for the selected parameter in the Knowledge Browser.
You can browse through the available relations and select the relation you want to use to compute the parameter, see Figure 67below. In this case select the relation you have just created. The same method can be used to include any available relation for any selected parameter.
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Perhaps you would like to have a bit more insight in the creation of relations in taxonomy type knowledge bases. Above you encountered two different methods of adding relations to entities. Why are there two different methods?
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