In this paper, A flexibility-based method for damage identification of cantilever-type structures is proposed. Using the linear relation between flexibility matrix element and structure parameter, the damage equation involving modal parameter and damage coefficient of each structure element is established firstly. Then, using the free vibration response signal of structure and the time-frequenc...

An inflation–extension test with human vena cava inferior was performed with the aim to fit a material model. The vein was modeled as a thick–walled tube loaded by internal pressure and axial force. The material was assumed to be an incompressible hyperelastic fiber reinforced continuum. Fibers are supposed to be arranged in two families of anti–symmetric helices. Considered anisotropy correspo...

The paper presents an in-depth analysis of two-dimensional disordered lattices of statistical damage mechanics for the study of quasi-brittle materials. The strain energy variation in correspondence to damage formation is thoroughly examined and all the different contributions to the net energy changes are identified and analyzed separately. We demonstrate that the introduction of a new defect ...

This paper deals with a numerical technique for the identi®cation of damage on laminated structures. The numerical model is based on a ®rst-order shear deformation ®nite element. When the structure undergoes some kind of damage, its sti€ness is reduced, changing the dynamic response. By considering the sensitivities of the orthogonality conditions of the mode shapes, an algorithm is formulated,...

Background: Exposure to ionizing radiation is known to induce oxidative stress followed by damage to critical biomolecules like lipids, proteins and DNA through radiolysis of cellular water. Since radiation has been widely used as an important tool in therapy of cancer, the detailed investigation regarding the DNA damage and repair kinetics would help to predict the radiation sensitivity of cel...