John C. O'Callahan

FREQUENCY RESPONSE FUNCTION EXPANSION FOR UNMEASURED TRANSLATION AND ROTATION DOFS FOR IMPEDANCE MODELLING APPLICATIONS

Peter Avitabile, John C. O'Callahan, 2003 .

Reallocation of system mass and stiffness for achieving target specifications

Peter Avitabile, Hiromichi Tsuji, John C. O'Callahan, 2004 .

Mass and Stiffness Orthogonality Checks Without A Mass or Stiffness Matrix

John C. O'Callahan, Peter Avitabile, 1995 .

Dynamic expansion of frequency response functions for the full FRF matrix

John C. O'Callahan, Peter Avitabile, 2001 .

Mass and stiffness skyline optimization using element localization

John C. O'Callahan, 2001 .

Reallocation of system mass and stiffness for achieving target specifications using a superelement/substructuring methodology

Peter Avitabile, Hiromichi Tsuji, John C. O'Callahan, 2005 .

Force Estimation Using Operational Data

John C. O'Callahan, Fabio Piergentili, 1996 .