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/*
32/64 bits A-Chaos Lib in openFrameworks
(c) s373.net/x 2004, 2012, 2015
http://s373.net/code/A-Chaos-Lib/A-Chaos.html
programmed by Andre Sier, revised 2015
License: MIT
*/
#pragma once
#include "AChaosBase.h"
class AChaosNavierStokesEuler : public AChaosBase {
public:
REAL a, b, c, d, e, r, dt;
AChaosNavierStokesEuler(){}
~AChaosNavierStokesEuler(){}
vector<string> param_labels={"nv","nw","nx","ny","nz","r","dt"};
virtual void setup(REAL * params = NULL){
AChaosBase::init(params, 7, 5);
if(params==NULL){
//classic navierstokes
a = 1.0;
b = 1.0;
c = 1.0;
d = 1.0;
e = 1.0;
r = 28.0;
dt = 0.01;
REAL p[7] = {a,b,c,d,e,r,dt};
set(p);
} else { set(params); }
}
void reset(){
a = iv[0];
b = iv[1];
c = iv[2];
d = iv[3];
e = iv[4];
r = iv[5];
dt = iv[6];
}
void calc(){
REAL da, db, dc, dd, de;
da=((a * -2) + (4 * b * c) + (4 * d * e))*dt;
db=((b * -9) + (3 * a * c))*dt;
dc=((c * -5) + (-7 * a * b) + r)*dt;
dd=((d * -5) - (a * e))*dt;
de=((a * d * -3) - e)*dt;
a += da;
b += db;
c += dc;
d += dd;
e += de;
ov[0] = a;
ov[1] = b;
ov[2] = c;
ov[3] = d;
ov[4] = e;
}
};
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