naca.h

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/*                Panukl package - (C) TGG 2002                      */
/*             Config files library - (C) TGG 2015                   */
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/*                          Warszawa, 2020                           */
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/* File: naca.h                                                      */
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/* Author: T.Grabowski                                               */
/*                                                                   */
/* Contents - NACA_PROFILE class - declaration                       */
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/* Last update: 21.11.2020                                           */
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/*
 * naca.h 
 *
 * Created by Alexandre Naaman (hoser@step.polymtl.ca)  30-08-1995
 * Code clean-up, modifications to include more 5-digit sections: 
 * Shamim Mohamed (shamim@synopsys.com) Sept. 8 95
 * corrected & modified to encapsulate into C++ class 
 * by Tomasz Grabowski (tgrab@meil.pw.edu.pl) Jan. 2012
 * included to PanuklConfigLib 20.11.2020
 */
 
#ifndef _NACA_H_
#define _NACA_H_
 
#include <cstdio>
#include <cmath>
#include <cctype>
 
#include "memfun.h"
 
enum series { four_digit, five_digit };
 
 
struct NACA_AIRFOIL_DATA 
{
   const char *name;     
   double      maxor;    
   double      posmax;   
   double      thmax;    
   double      k1;       
   enum series serie;    
   int         ireflex;  
   int         iTE0;     
};
 
class NACA_PROFILE : public MEMFUN
{
    private:
    
    double A[5];
    
    NACA_AIRFOIL_DATA data;
    
    int iWrite;
    int iLicz;
 
    double sqr(double x) { return x*x; };
    double cube(double x) { return x*x*x; };
    
    double xcoord( double angle);
    double ytfunc( double x, double thmax );
 
    void camber_four(double *yc, double *slope, double x, double maxor, double posmax);
    void camber_five(double *yc, double *slope, double x, double maxor, double posmax, double k1, int iReflex);
 
    void out_point(double x, double yc, double yt, double slope, int is_upper, FILE *fp);
 
    void get_params(struct NACA_AIRFOIL_DATA *data, const char *name);
 
    void draw_surface(int ndiv, const struct NACA_AIRFOIL_DATA *data, FILE *fp);
 
    char *check_name(char *name);
    
    void ClearTabs( void );
    void CreateTabs( int nn );
 
    public:
    
    NACA_PROFILE(void){ X=Z=0; };
    ~NACA_PROFILE(void);
  
    int generate_naca(char *name, int num, FILE *fp);  
    int generate_naca(char *file_name, char* cNACA);   
    int generate_naca(char* cNACA, int NN=100);        
    
    void setTE0( int TE = 1 ){ data.iTE0 = TE; };
 
    double *X;  
    double *Z;  
    int N;      
};
 
#endif /*_NACA_H_*/