Nullspace technique for imposing constraints in the Rayleigh–Ritz method - Deng, Jie; Xu, Yuxin; Guasch, Oriol; Gao, Nansha; Tang, Liling (Journal of sound and vibration, 2022)
Keywords: Accuracy; Boundary conditions; Constraints; Coupled systems; Equations of motion; Finite element analysis; Finite element method; Lagrange multiplier; Mechanical properties; Mechanical systems; Microprocessors; Nullspace; Penalty function; Rayleigh number; Rayleigh–Ritz method; Ritz method; Structural analysis; Substructure; Coupled systems; Constraints; Substructure; Rayleigh–Ritz method; Nullspace