Searched refs:_dI_2a (Results 1 – 1 of 1) sorted by relevance
1726 T _dI_2a = 2*m_stretches(a)*( I_1 - math::pow(m_stretches(a),2.0) ); in _dPsi_da_impl() local1731 + c2/2.0 * math::pow(m_J_sq,-2./3.) * ( -4./3. * I_2 / m_stretches(a) + _dI_2a ) in _dPsi_da_impl()1743 T _dI_2a = 2*m_stretches(a)*( I_1 - math::pow(m_stretches(a),2.0) ); in _dPsi_da_impl() local1747 return c1/2.0*_dI_1a + c2/2.0*_dI_2a; in _dPsi_da_impl()1862 T _dI_2a = 2*m_stretches(a)*( I_1 - math::pow(m_stretches(a),2.0) ); in _d2Psi_dab_impl() local1876 … -4./3. * 1. / m_stretches(b) * ( -4./3. * I_2 / m_stretches(a) + _dI_2a ) in _d2Psi_dab_impl()