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A.4.2 System being modeled: The hydraulic system has three components: two fluid reservoir tanks and a pipe for connecting these tanks, see Figure 58.

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Figure 58: Hydraulics example (MOCKUP)
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SysPhS-1.1
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About Object Management Group copyright in text extracts quoted from OMG specifications for educational purposes
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INFO
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A.4.1 Introduction: This subannex gives a model of a simple hydraulic system as an example of physical interaction (fluid flow). It does not include any signal flows
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A.4.2 System being modeled The hydraulic system has three components: two fluid reservoir tanks and a pipe for connecting these tanks, see Figure 58.
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Figure 60 shows block definitions for components of ConnectedTanks in Figure 59.
Tanks and pipes have openings for fluid to pass through, one for tanks and two for pipes. The openings are represented by ports of type VolumeFlowElement, from the physical interaction library ..
Each type of component has its own behaviors, defined as constraints ...
Figure 59 shows the internal structure of a ConnectedTanks block.
Part properties, typed by blocks ... represent components in this system. They are connected to each other through ports, which represent openings in the tanks and pipe ...
Item flows on connectors indicate fluid passes through the ports and between the parts. The diagram connects a tank to each end of a pipe.
SysML initial values specify property values for components used in internal block diagrams. Figure 59 shows initial values for fluid density, gravity, tank surface area, pipe radius, pipe length, and dynamic viscosity of the fluid ...
An alternative for specifying initial values of part properties in the ConnectedTanks is to specialize it and redefine the part properties with default values for various configurations ...
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