public static Tuple <double, double> fatorReducaoFlexao(Perfil perfil)
{
double wcx = perfil.PegarWx();
double wcy = perfil.PegarWy();
double ro = perfil.PegarRo();
string simetria = perfil.PegarSimetria();
double tensao = Form1.tensaofy;
List <double> lstForcaAxial = forcaAxialFlambagemGlobal(perfil, simetria);
double ney = lstForcaAxial.ElementAt(2);
double nez = lstForcaAxial.ElementAt(3);
double mex = 1.0 * ro * Math.Sqrt(ney * nez);
double mey = calculoMeFlexaoY(perfil);
double lambdaZerox = Math.Sqrt(wcx * tensao) / mex;
double lambdaZeroy = Math.Sqrt(wcy * tensao) / mey;
double quiFltx = condicaoFLTFlexao(lambdaZerox);
double quiFlty = condicaoFLTFlexao(lambdaZeroy);
Tuple <double, double> quiFlt = new Tuple <double, double>(quiFltx, quiFlty);
return(quiFlt);
}