Inverse analyses in fracture mechanics

The present purpose is a survey of some engineering-oriented research results which may be representative of the main issues in the title subject. Some recent or current developments are pointed out in the growing area of fracture mechanics centered on the calibration of cohesive fracture models for...

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Bibliographic Details
Published in:International journal of fracture 2006-03, Vol.138 (1-4), p.47-73
Main Authors: MATER, G, BOCCIARELLI, M, BOLZON, G, FEDELE, R
Format: Article
Language:English
Subjects:
Applied sciences
Brittle materials
Buildings. Public works
Calibration
Ceramic coatings
Computer simulation
Concrete dams
Concretes
Constitutive models
Constitutive relationships
Dams and subsidiary installations
Exact sciences and technology
Experimentation
Extended Kalman filter
Fracture mechanics
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Hardness tests
Hydraulic constructions
Indentation
Inverse
Mapping
Mathematical models
Measurement and testing methods
Optical measurement
Parameter estimation
Parameter identification
Physics
Solid mechanics
Structural and continuum mechanics
Substrates
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Description
Summary:The present purpose is a survey of some engineering-oriented research results which may be representative of the main issues in the title subject. Some recent or current developments are pointed out in the growing area of fracture mechanics centered on the calibration of cohesive fracture models for quasi-brittle materials, by approaches which combine experimentation, experiment simulation and minimisation of the discrepancy between measured and computed quantities. Specifically, reference is made herein to the following topics in calibration of fracture constitutive models: (a) deterministic characterisation of concrete-like materials by traditional three-point-bending tests (TPBTs), supplemented by optical measurements; (b) wedge-splitting tests (WST) and extended Kalman filter (EKF) for the stochastic estimation of fracture parameters; (c) in situ parameter identification for the local diagnosis of possibly deteriorated concrete dams on the basis of flat-jack tests; (d) fracture properties of ceramic materials and coating-substrate interfaces identified through indentation tests, imprint mapping and inverse analysis in micro-technologies.
ISSN:0376-9429
1573-2673
DOI:10.1007/s10704-006-7153-7