Abstract
A train moving at high speed in an open area induces the formation of pressure distribution around itself. This pressure distribution moves with the speeding train, bringing about environmental problems. Furthermore, pressure variation increases in magnitude as train speed increases. It is therefore necessary to predict the increase in magnitude and the characteristic of pressure variation in order to successfully carry out high speed railway projects. Using the boundary element method, we investigated pressure variation brought forth by train passage. Numerical results are compared with measured results from a field test, and qualitative agreement between them is determined. We are in the process of seeking countermeasures to reduce pressure variation during train passage.
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