In this paper, the Generalised Probabilistic Approach (GPA) recently proposed by some of the presentauthors is applied in order to analyse the short fibre-reinforced materials behaviour at failure. Firstly,an experimental campaign consisting of tension tests, three- and four-point bending tests is carriedout on a commercial Fibreglass composite. Then, the Primary Cumulative Distribution Function ofFailure (PCDFF) is determined by employing both experimental and numerical results. In particular,the PCDFF is derived in two cases: (a) by considering the specimens subjected to the above three loadingconditions separately (GPA single application); (b) by collecting both the specimens subjected to tensionand those subjected to three-point bending in order to constitute a unique set (GPA joint application).Finally, a comparison between experimental failure probability values and PCDFF, being the latterobtained from both single and joint application of GPA, is provided for each loading condition.

Probabilistic failure assessment of fibreglass composites

Ronchei Camilla;
2017

Abstract

In this paper, the Generalised Probabilistic Approach (GPA) recently proposed by some of the presentauthors is applied in order to analyse the short fibre-reinforced materials behaviour at failure. Firstly,an experimental campaign consisting of tension tests, three- and four-point bending tests is carriedout on a commercial Fibreglass composite. Then, the Primary Cumulative Distribution Function ofFailure (PCDFF) is determined by employing both experimental and numerical results. In particular,the PCDFF is derived in two cases: (a) by considering the specimens subjected to the above three loadingconditions separately (GPA single application); (b) by collecting both the specimens subjected to tensionand those subjected to three-point bending in order to constitute a unique set (GPA joint application).Finally, a comparison between experimental failure probability values and PCDFF, being the latterobtained from both single and joint application of GPA, is provided for each loading condition.
Failure assessmentFibreglass compositeGeneralised Probabilistic ApproachWeibull distribution
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11770/304671
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