File mttroot/mtt/lib/cr/hh/constants.hh artifact 65d242bd40 part of check-in 2cf4cfb11d


#ifndef CONSTANTS_HH
#define CONSTANTS_HH

const double	pi	= 3.14159264;
const double	pi2	= pi * pi;
const double	pi4	= pi2 * pi2;

// Reynolds number
const double	ReL	= 2300.0;	// transition from laminar flow
const double	ReT	= 4000.0;	// transition to turbulent flow

#endif // CONSTANTS


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