/*
	*
	* @file   chen_zero_equ_model.h
	*
	* @brief  Computes turbulent viscosity using Chen's zero equ model
	*
	* @author Mingang Jin, Qingyan Chen
	*         Purdue University
	*         Jin55@purdue.edu, YanChen@purdue.edu
	*         Wangda Zuo
	*         University of Miami
	*         W.Zuo@miami.edu
	*
	* @date   8/3/2013
	*
	* This file provides function that computes the turbulent viscosity using
	* Chen's zero equation model
	*
	*/
#ifndef _CHEN_ZERO_EQU_MODEL_H_
#define _CHEN_ZERO_EQU_MODEL_H_
#endif

#ifndef _DATA_STRUCTURE_H
#define _DATA_STRUCTURE_H
#include "data_structure.h"
#endif

/*
	* Computes turbulent viscosity using Chen's zero equation model
	*
	* @param para Pointer to FFD parameters
	* @param var Pointer to FFD simulation variables
	* @param i I-index of the control volume
	* @param j J-index of the control volume
	* @param k K-index of the control volume
	*
	* @return Turbulent Kinematic viscosity
	*/
REAL nu_t_chen_zero_equ(PARA_DATA *para, REAL **var, int i, int j, int k);
