at time step 1:

presure:
array (1,9) [(1,254.27599),(2,146.85983),(3,29.37195),(4,5.337789e-19),(5,147.86792),(6,256.62704),(7,245.06314),(8,151.08606),(9,30.138823)]
velocities:
(array (1,25) [(1,0.0),(2,0.0),(3,0.0),(4,8.4581465e-5),(5,4.1855663e-2),(6,1.0),(7,0.0),(8,0.0),(9,0.0),(10,0.0),(11,0.0),(12,-1.4331585e-4),(13,0.7520887),(14,0.65589964),(15,0.64007187),(16,0.75),(17,0.61103165),(18,0.7921508),(19,-3.3642078e-4),(20,0.77033114),(21,0.58979553),(22,0.602087),(23,0.75),(24,0.0),(25,0.0)],array (1,25) [(1,0.0),(2,0.0),(3,0.0),(4,0.0),(5,8.997457e-3),(6,0.0),(7,0.0),(8,0.0),(9,0.0),(10,0.0),(11,0.0),(12,0.0),(13,0.20859513),(14,-1.0415929e-2),(15,-1.8728806e-2),(16,0.0),(17,-3.6824882e-2),(18,-0.2065228),(19,0.0),(20,-0.2055661),(21,-2.7556026e-2),(22,6.2543444e-2),(23,0.0),(24,0.0),(25,0.0)])