Damage Tolerance Assessment and Damage Tolerance Design play a major role in the Aerospace Industry both in the design of new structures and components but also their ongoing maintenance and support. Fracture Mechanics provides the physics to enable the behaviour of cracks to be predicted.
Simulation and Fracture Mechanics enables damage scenarios to be assessed in the real structural geometry and loading environment. BEASY is used by engineers for both Integrity Assessment and Damage Tolerance Design Calculations.
BEASY
provides fast and accurate techniques to predict
stress intensity factors for different crack shapes
and sizes.
BEASY provides a suite of easy to use tools to predict the impact of cracks on
structures and provide the data needed for damage tolerance design and damage tolerance assessment.
Damage tolerance assessment is a procedure that defines whether a crack can be sustained safely during the projected service life of the structure.
The economic case for damage tolerance assessment of engineering products is becoming overwhelming because of increased competitive pressures for quality and reliability.
Model
cracks in complex shapes
The crack wizard automates the process of investigating varying crack shapes,
sizes and positions. Stress intensity data can be quickly obtained even for
the most complex geometry.
Model
cracks in built up structures
such as stiffened panels
Special "wizards" are available to simplify and automate the tasks.
For example, crack shapes can be stored in the crack library and simply added
to any component to predict the stress intensity factors.
Need
to develop database of SIF Solutions
Because with BEASY
it's possible to model any complex component or structure,
it is a powerful tool for developing libraries of SIF
data for frequently studied parts. Simply build the model,
vary the parameters and you will quickly build up the
database you need.
Predict
the number of cycles to
reach specific crack sizes
BEASY includes fatigue crack growth models supporting a wide range of crack growth
and retardation models. SIF data can be exported to users own software and user
defined fatigue models can be specified in table format.
Use
FEM results
The BEASY software can also be
used to obtain fracture data from complex structures
and components which have been modelled with FEM.
No need to remodel the problem or work out the
loading. BEASY will extract all the data from the
FEM model and enable you to use all the wizards
and tools to obtain the results you need.
Accurately
Predict Crack Behaviour
Models can be used to accurately predict multiple site damage behaviour as
seen in this comparison with experimental test data. BEASY provides fast and
accurate techniques to predict stress intensity factors for different crack
shapes and sizes.
BEASY provides a suite of easy to use tools to predict the
impact of cracks on structures and provide the data needed for damage tolerant
design. Stress intensity factors Critical crack sizes Multiple site damage
Residual strength
On the left is the predicted crack path which shows good correlation with the
experimental test on the right.
 
Using the library of crack shapes, the initiation of the crack in the model
is automated. No need for remeshing!
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