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Hydraulic analysis refers to the technologies to measure, analyze and investigate the water current, water quantity, water pressure and other items in water pipes, pipelines and rivers, etc. In the case of water pipes, for example, the water flows that complexly change in accordance with such influencing factors as the pipe diameter, the length of conduit lines and the number and shape of the branches are clarified by verifications through numerical calculations, analysis models and simulators, etc.

The analysis results are utilized for piping network designs of water supply and sewage services, river planning for constructing dams and bridges, and flood control and water utilization planning, among other applications. For reservoirs and water channels, pumps and gates can be controlled in an optimum manner based on the data obtained from hydraulic analysis.

In recent years, hydraulic analysis is also utilized for simulating tsunamis (tidal waves) and floods in preparation for mega disasters, as well as for predicting damages from disasters, planning countermeasures and preparing disaster prevention maps.

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