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《Journal of Anhui University of Technology(Natural Science)》 2008-01
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Paradox Phenomena of the Traffic Network Design Problem Based on Minimum Flow

HAN Gai-yana,XU Long-fengb (Anhui University of Technology a.School of Electrical Engineering & Information;b.School of Mathematics & Physics,Ma'anshan 243002,China)  
The relation of network minimum flow and Braess' paradox phenomena is analyzed.The concept of forward directed arcs and backward directed arcs in network are defined.The sensitivity analysis on the network minimum flow are studied by an example when the capacities of all the arcs in the network are changed and new arcs are built.The results show that Braess' paradox phenomena can be effectively prevented only not to add the capacities of backward directed arcs and to build new backward directed arcs in the network,when the road network are being changed or improved.
【CateGory Index】: U491
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