Nośność warstwowych kompozytów włóknistych z zastosowaniem nowej metody degradacji sztywności

This paper deals with defining the capacity of fibrelaminated composites. It analyses the bahaviour of laminate in the whole amplitude/range of load -from the load damaging the first ply to the finalload. It involves the degradation of the global stiffness matrix due to the modification of stiffness in the subsequent failure plies. The paper employs the approach specified on the general expression by Rychlewski, based on of elastic limit state. The paper proposes a new method of modification of the stiffness matrix, based on specified criterion and the spectral decomposition of the compliance tensor.