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Asset Integrity Management
Specialized Engineering Analysis
Engineering Analysis Service Delivery
As part of the project requirements, numerical models to
enable the following engineering analysis were required to
be both available and based on the latest as-built condition.
These updated models were produced from modifying existing
models and production of new models.
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Motion Analysis
Models were developed using AQWA suite of hydrodynamic
software, which enabled linear frequency domain and time
domain motion analysis. |
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Mooring Analysis
Models were developed using both AQWA hydrodynamic
package and FLEXCOM-3D (general purpose, nonlinear
3D FE software package) for static and time-domain
dynamic analysis of mooring lines, flexible and rigid
risers. |
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Stability Analysis
HECSALV and SEASAFE models were developed to models
to enhance the Rapid Response Service capability. |
Structural Analysis
ABS SafeHull software for the ship shaped FPSO assets and
AQWA/ASAS and SACS for Semi-submersibles, were utilized as
structural analysis tools on the project.
Materials and Corrosion Engineering
Whenever a material and an environment are brought together,
there is a potential for degradation/corrosion. Such interactions
are often highlighted in the more adverse environments, however,
gradual deterioration in more benign circumstances can prove
disruptive and costly, especially if it is not anticipated
or costed for. The marine environment is perhaps the most
severe. Typically the corrosion processes involve the deterioration
of steel and reinforced concrete structures in environments
of saline waters, variable temperatures and flow conditions.
Services:
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Initial Assessment/Inspection
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Recommendations for Detailed Testing/Analysis
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Appraisal of Condition
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Recommendations/Specification of Repair/Refurbishment
Strategies
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Assistance/Advice During Site Works
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Maintenance, Inspection and Monitoring Schedules
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Serviceable Life Estimates
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Training (Corrosion basics through to refurbishment
techniques)
The majority of corrosion control procedures are available
for use by the engineer, however, it is the balance of these
procedures in respect of the initial cost, inspection and
maintenance regime that it the key to the correct implementation.
The corrosion discipline is a fundamental tool in the risk
based inspection/asset management program.
Evacuation Modeling
The team has experience in evacuation modeling using rule
based analysis techniques as a design analysis tool. Such
software permits the modeling of individual and group behavior
within the layout of the installation and can take account
of interaction with fire and smoke spread models.
Based on the results of the AIM Study, various consequences
that have been identified, such as explosion and blast, can
then be fed into the escape analysis with a variety of distributions
of crew.
The analysis can then rank, based on escape time, a variety of vessel layouts in terms of escape routes, muster station and lifeboat locations. This will give the operator confidence that the optimum arrangement has been found in terms of crew safety.
Services:
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Design Optimization for Escape using Computer Modeling.
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Escape Calculations to IMO Resolution 757.
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Consultation Regarding Sizing and Positioning of Escape
Routes.
For more information, contact:
Brian Gibbs
Director - Asset Integrity Management
1-281-673-2765 | bgibbs@absconsulting.com
Tom Nolan
Director - Oil & Gas Services, North America
1-281-673-2740 | tnolan@absconsulting.com
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