/*
* @file malaria/Si.cpp
*
* This file is part of VLE, a framework for multi-modeling, simulation
* and analysis of complex dynamical systems
* http://www.vle-project.org
*
* Copyright (c) 2011 INRA http://www.inra.fr
*
* See the AUTHORS or Authors.txt file for copyright owners and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
/* @@tagdepends: vle.extension.differential-equation @@endtagdepends
@@tagdynamic@@ */
#include
#include
#include
namespace malariaspread {
namespace ved = vle::extension::differential_equation;
class I2v :
public ved::DifferentialEquation
{
public:
I2v(const vle::devs::DynamicsInit& model,
const vle::devs::InitEventList& events) :
ved::DifferentialEquation(model,events)
{
delta_V2 = events.getDouble("delta_V2");; // = ???
d2_V2 = events.getDouble("d2_V2"); // = ???
_I2v = createVar("I2v");
_E2v = createExt("E2v");
_T2 = createExt("Tmin");
_Rh2 = createExt("Hmax");
}
virtual ~I2v()
{ }
void compute(const vle::devs::Time& /* time */)
{
beta0 = 0.00113*_Rh2()*_Rh2()-0.158*_Rh2()-6.61;
beta1 = -2.32*pow(10,-4)*_Rh2()*_Rh2()+0.0515*_Rh2()+1.06;
beta2 = 4*pow(10,-6)*_Rh2()*_Rh2()-1.09*pow(10,-3)*_Rh2()-0.0255;
ptrh2 = -log(exp(-1/(beta0+beta1*_T2()+beta2*_T2()*_T2()))); // mortality rate of the vector at temperature t1 and relative humidity rh1
//grad(_I2v) = delta_V2*_E2v() - ptrh2*_I2v() - d2_V2*_I2v();
grad(_I2v) = delta_V2*_E2v() - ptrh2*_I2v();
}
private:
// transition rate from E -> I of the vector population for the patch 2
double delta_V2;
// natural death rate of I in the vector population for the patch 2
double d2_V2;
//coefficients for mortality rate
double beta0;
double beta1;
double beta2;
double ptrh2;
Var _I2v;
Ext _E2v;
Ext _T2;
Ext _Rh2;
};
} // namespace malariaspread
DECLARE_DYNAMICS(malariaspread::I2v)