TY - CONF T1 - The selection of the linearized natural frequency for the second-order normal form method JO - Proceedings of the ASME Design Engineering Technical Conference PY - 2012/06/12 AU - Xin Z AU - Neild SA AU - Wagg DJ ED - DO - DOI: 10.1115/DETC2011-47654 VL - 4 IS - PARTS A AND B SP - 1211 EP - 1218 Y2 - 2025/11/22 ER -