BEASY software provides a range of integrated software modules to help engineers assess the integrity of structures that have material damage. Whether it is a crack, corrosion pitting, fretting damage, weld misalignments, or some other flaw in the structure BEASY can provide a solution. The BEASY software modules are available on the BEASY Desktop and are all based on easy to use, process driven, menus. The intuitive interfaces do not require extensive training or constant monitoring of user guides. Even if you don't use the software for a period of time it is easy to begin a new project using BEASY's interactive help menus.
BEASY can help your engineers improve the assessment of defects by providing tools to more accurately understand the behavior of flaws in critical structural components. Higher fidelity data characterizing critical crack sizes and crack growth rates will improve structural life estimates. If a crack is found during routine inspection a BEASY crack growth simulation can be used to determine if this crack will continue to grow and if so how much longer the asset can safely operate before repair is necessary. BEASY's automatic crack growth capability can also be used to support the non-destructive inspection (NDI) process. BEASY's crack path predictive capability can be used to guide NDI equipment operators to those fracture critical areas of the structure.
BEASY Fatigue & Crack Growth
BEASY Fatigue & Crack Growth software enables engineers to quickly develop full 3D virtual prototypes based on the actual geometry of structures and components to predict how cracks will develop and impact their life and integrity.
BEASY Crack Simulation Technology provides easy to use crack modelling tools to predict:
- Stress Intensity Factors
- Crack Growth Rates
- Crack Growth Paths
- Critical Crack Sizes
The BEASY software modules are available on the BEASY Desktop and are all based on easy to use, process driven, menus. The intuitive interfaces do not require extensive training or constant monitoring of user guides. Even if you don't use the software for a period of time it is easy to begin a new project using BEASY's interactive help menus.
BEASY's Fracture Mechanics Software provides crack modelling tools to aid decision-making processes and discover potential problems at the design stage. BEASY advanced fracture mechanics software provides a radically improved approach to predictive computational analysis.
The BEASY solver supports contact and thermal analysis as well as common body force loadings (i.e. rotation, acceleration). Both node-to-node and node-to-surface contact solutions are available. Frictional contact analysis is also possible using BEASY's efficient load increment algorithms to capture the non-linear load-displacement behavior. The coupled contact-fracture mechanics solutions available in BEASY use an innovative approach and provide a unique capability for investigating fretting fatigue damage.
BEASY Defect Scanner
The BEASY Defect Scanner creates a "map" of critical crack sizes on a model using results from either a BEASY model, or an FE stress model (ABAQUS, ANSYS or NASTRAN), in order to identify 'critical' locations. The smallest critical crack sizes shown on the map enable users to clearly identify the areas of greatest concern for that component and provide inputs into maintenance and inspection planning.
The critical crack sizes are computed using the stress values, and the critical crack size at any point is the crack size where the Stress Intensity Factor (SIF) value reaches a specified value. This value can be the threshold Stress Intensity Factor if the criteria is the minimum size at which cracks may start growing; or the critical SIF value in order to determine the size of crack that will cause part of the structure to fracture.
There are also facilities to define bands of critical crack size which can then be mapped onto the component or structure in order to identify how the critical crack sizes differ between different parts of the structure.
This process could then be integrated with inspection and approval processes (e.g. for incoming parts, or reports from maintenance inspections) in order to refine and optimize the decision making process for material rejection/scrappage. The locations of critical crack sizes identified with this tool can then be used, if required, as an input to a more detailed crack analysis using the BEASY Fracture & Crack Growth Simulation products.
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Integration with FEM
The BEASY FE Interfaces are used to leverage existing FE solutions; automatically creating BEASY models of fracture critical sections identified in the FE model. The BEASY model can then easily be modified using the BEASY fracture toolset to insert cracks and predict crack growth rates. The BEASY crack growth solutions can be viewed in the FE post-processor to display the opening of the crack and the incremental crack growth trajectory. The software systems are tightly integrated making it easy to perform 3D crack growth studies using this proven technology. The BEASY FE Interface software will be make it possible to obtain accurate SIF data and crack growth rates without the additional modeling expense associated with methods currently available using FE software. It makes sense to use the methodology most suited for the job and in this case the BEASY FE Interface software combines the advantage of using large scale FE models with the accuracy of BEASY’s crack front SIF solutions.
THE BEASY Patran Interface provides users with the capability to directly build BEASY models within MSC Patran's modeling environment. Custom interfaces have been developed to support creation of BEASY models. Once the BEASY model is complete the BEASY fracture simulation tools can be used to insert cracks. The BEASY Patran Interface also supports the design of non-standard crack shapes which can later be accessed using BEASY’s Crack Library Management tool. MSC Patran users retain full access to all the features within the Patran modeling environment while building BEASY models.
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