A preconditioning method for the finite element stiffness matrix is given in this paper. The triangulation is refined in a subregion; the preconditioning process is composed of resolution of two ...

Cardiovascular disease is the leading cause of death in humans. Worldwide, as the population ages, the burden of treating heart failure is increasing; opportunities for heart transplantation cannot ...

Schematic diagram depicting the mechanism of the rigid matrix regulating cell glycolysis in degenerated NPCs. In degenerated NP tissue, MRTF-A was activated by increased matrix stiffness and ...

Combining micropillar deflection analysis, atomic force microscopy, and immunofluorescence staining provides a method for ...

Theoretical development of a dynamic stiffness matrix (DSM) based direct damping matrix identification method is revisited in this paper. This method was proposed to identify both the mechanism and ...

Defining the Cartesian stiffness matrix of impedance-controlled robots is a quite heuristic task. Additionally, it's necessary to adapt this stiffness matrix to different desired movements and robot ...