private InfoDetailModel(ICrossSectionStrains crossSection)
 {
     Fc     = crossSection.F_c;
     Fs2    = crossSection.F_s2;
     Fs1    = crossSection.F_s1;
     N_Rd   = crossSection.N_Rd;
     M_Rd   = crossSection.M_Rd;
     eps_c1 = crossSection.eps_c1;
     eps_c2 = crossSection.eps_c;
     eps_s1 = crossSection.eps_s1;
     eps_s2 = crossSection.eps_s2;
     sig_c  = crossSection.sig_c;
     sig_s1 = crossSection.sig_s1;
     sig_s2 = crossSection.sig_s2;
     x      = crossSection.x;
 }
 public static InfoDetailModel Convert(ICrossSectionStrains crossSection) =>
 new InfoDetailModel(crossSection);