An integrated workflow for stress and flow modelling using outcrop-derived discrete fracture networks

Fluid flow in naturally fractured reservoirs is often controlled by subseismic-scale fracture networks. Although the fracture network can be partly sampled in the direct vicinity of wells, the inter-well scale network is poorly constrained in fractured reservoir models. Outcrop analogues can provide data for populating domains of the...

Cohesive zone and level set method for simulation of high cycle fatigue delamination in composite materials

This paper deals with high cycle fatigue delamination in composite materials. The cohesive zone approach along with the level set method is used to simulate fatigue-driven delamination growth. The cohesive zone method is used for calculation of the energy release rate at the crack front because of its superiority over the virtual crack...

The Discontinuity-Enriched Finite Element Method

We introduce a new methodology for modeling problems with both weak and strong discontinuities independently of the finite element discretization. At variance with the eXtended/Generalized Finite Element Method (X/GFEM), the new method, named the Discontinuity-Enriched Finite Element Method (DE-FEM), adds enriched degrees of freedom only to...

Fracture Mechanics: 2nd Edition

A gradient-enhanced damage approach to fracture

Experimental monitoring of strain localization and failure behaviour of composite materials

Gradient plasticity in numerical simulation of concrete cracking

A survey of plasticity and damage-based models for FE analysis of fracture in concrete

Fatigue and fracture of aerospace aluminium alloys: a short course

This report contains the overhead sheets of a short course on fatigue and fracture of aerospace aluminium alloys, plus an annex in the form of a review paper.

Free edge delamination in carbon-epoxy laminates: A novel numerical/experimental approach

Computational mechanics: Recent developments in DIANA ; Mecanique par ordinateur: developpements recents realises a l'aide du logiciel DIANA

Nonlinear analysis of propagation of delamination near free edges

Application of linear and nonlinear fracture mechanics options to free edge delamination in laminated composites

Useful lifetime prediction software for plane semi-cracks in 3-D solid configurations

Computer programs are described to be used for fracture control purposes. Crack growth lifetimes can be predicted for plane cracks in 3-D structures. Values for stress intensity (K-) distributions at crack fronts are derived from data being available from literature for a restricted number of simple configurations. For arbitrary configurations...

The application of fracture mechanics to the growth of creep cracks

The literature concerning the application of fracture mechanics to the growth of creep cracks is discussed. As an introduction it is shown that linear elastic fracture mechanics have been applied successfully to the residual strength of brittle materials crack growth due to stress corrosion and crack growth due to fatigue. Next the methods are...

Lasting Friendship: A review of the F-27 fatique evaluation programma carried out by Fokker-VFW

Fokker-VFW is carrying out a completely new fatigue evaluation of the F-2T aircraft, covering lives up to 120000 flights. This evaluation includes; a)A complete inventory of the configuration status of the F-2T fleet, b)An inventory and evaluation of existing test experience, c)Evaluation of service experience, d)Analytical predictions of life...

User's manual of ARREST, a computer routine for prediction of residual strength of cracked stiffened panels

This report gives a detailed description of the computer program ARREST and of the execution of it in determining the residual strength diagram of cracked stiffened panels. The essentials of the computer program are dealt with in chapters 1 through 5, whereas the derivation of the equations together with the program flow charts ajid the program...