Numerical Analysis of Pressure Variation under Train Passage
using the Boundary Element Method
Katsuhiro KIKUCHI, Kazuo UCHIDA, Koji NAKATANI,
Yasuo YOSHIDA, Tatsuo MAEDA, Mitsunori YANAGIZAWA
A train running at high speed in open area causes a pressure
distribution around itself. This pressure distribution
travels with the train as the train moves and it causes an
environmental problem along a wayside. This pressure
variation increases in magnitude as the train speeds up. It
is necessary to predict the magnitude and the characteristic
of pressure variation in order to successfully carry out a
speed-up plan of the railway. We have studied pressure
variation due to train passage along the railway line using
the boundary element method. Numerical results are compared
with field test data and the agreeement between them is
found to be qualitatively good. We sought some
countermeasures to reduce the pressure variation under train
passage.