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SysML provides extensions that might be very loosely grouped under the term “continuous,” but are generally applicable to any sort of distributed flow of information and physical items through a system.

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MagicDraw/Cameo 19SP3: if Continuous or Discrete are applied to the Parameter of an ActivityParameterNode the keywords «continuous» or «discrete» can be optionally displayed on the ActivityParameterNode symbol
MagicDraw/Cameo 19SP3: If Continuous or Discrete are applied to the underlying Parameter of an InputPin or an OutputPin the keywords «continuous» or «discrete» can't be displayed
Figure 11-11: Continuous system example 2 {ELIDED PINS}
Figure 11-11: Continuous system example 2 {EXPLICIT PINS}
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OMG Systems Modeling Language (SysML) 1.6
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About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes
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«continuous»
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SysML provides extensions that might be very loosely grouped under the term “continuous,” but are generally applicable to any sort of distributed flow of information and physical items through a system. These are:
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Restrictions on the rate at which entities flow along edges in an activity, or in and out of parameters of a behavior (see Rate in Figure 11-8). This includes both discrete and continuous flows, either of material, energy, or information.
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Restrictions on the rate at which entities flow along edges in an activity, or in and out of parameters of a behavior (see Rate in Figure 11-8). This includes both discrete and continuous flows, either of material, energy, or information.
Discrete and continuous flows are unified under rate of flow, as is traditionally done in mathematical models of continuous change, where the discrete increment of time approaches zero.
Extension of object nodes, including pins, with the option for newly arriving values to replace values that are already in the object nodes (see Overwrite in Figure 11-8).
SysML also extends object nodes with the option to discard values if they do not immediately flow downstream (see NoBuffer in Figure 11-8).
These two extensions are useful for ensuring that the most recent information is available to actions by indicating when old values should not be kept in object nodes, and for preventing fast or continuously flowing values from collecting ...
Continuous rate is a special case of rate of flow (see Rate) where the increment of time between items approaches zero. It is intended to represent continuous flows that may correspond to water flowing through a pipe, a time continuous signal, or ...
Continuous ... It is independent from UML streaming, see clause 11.3.2.8. A streaming parameter may or may not apply to continuous flow, and a continuous flow may or may not apply to streaming parameters.
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