FEMStatic reductionThis article presents the methodology for modeling the stiffness of a machine tool load-bearing system using the finite element method. A new, simplified model of stiffness of the linear guide with a preload based on equivalent contact model was proposed. An equivalent contract ...
That method was called the implicit condensation and expansion (ICE) method [10] and was found to be important when recovering the stresses in the model. The applied force methods are referred to as ICE methods in this work, assuming that the expansion process will be used when it is ...
In addition, new sparse and "out-of-core" solvers were found superior to substructure (superelement) techniques which require significant additional cost and time to perform static condensation during global FEM matrix generation as well as the subsequent recovery and expansion. A method to extend ...
Keywords: model updating; random parameter; static condensation; multivariate power series; measured error; high-order perturbation 1. Introduction In recent years, structural health monitoring and safety assessment have been a hot research topic which has attracted the attention of numerous researchers. ...