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GRAPH STRUCTURE BUILDING DEVICE OF TRANSPORT NETWORK, GRAPH STRUCTURE BUILDING SYSTEM, GRAPH STRUCTURE BUILDING METHOD AND GRAPH STRUCTURE BUILDING PROGRAM
GRAPH STRUCTURE BUILDING DEVICE OF TRANSPORT NETWORK, GRAPH STRUCTURE BUILDING SYSTEM, GRAPH STRUCTURE BUILDING METHOD AND GRAPH STRUCTURE BUILDING PROGRAM
PROBLEM TO BE SOLVED: To provide a graph structure building device of a transport network which allows even a person such as the unskilled to change or evaluate a graph structure.SOLUTION: A graph structure building device includes a GUI information processing section, an equation creating section, and a simulating section. The GUI information processing section displays a flow image of a transport network as GUI(Graphical User Interface), and creates a flow image based on the information inputted for the GUI. The GUI information processing section reads a graph structure consisting of a plurality of nodes and a plurality of edges from the flow image, and creates the structure information about the graph structure thus read. The equation creating section creates a simultaneous equation capable of calculating a pressure in at least one of a plurality of nodes, and a flow rate in at least one of a plurality of edges, based on the structure information. The simulating section calculates the pressure and flow rate by solving the simultaneous equation.
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