Users are able to write scripts to perform recurring tasks, and build program add-ins to put more interactive elements into the CAFTA program. This achieves the ideal balance in a software product. Netobjects Fusion 12 Testversion Download Free here. And at the same time, the system can accommodate special functions designed by individual users.
A fault tree is a graphical representation of a logical structure depicting undesired events 'failures' and their causes. You create the logical structure by using gates and represent undesired incidents by using basic events. Reliability parameters are assigned to each basic event.
Widely used in system reliability studies, fault tree analysis offers the ability to focus on an event of importance, such as a highly critical safety issue, and work to minimize its occurrence or consequence.
The probability of a top-level event can then be determined by applying appropriate mathematical techniques. The resulting fault tree diagram is a graphical representation of the chain of events in your system or process, built using events and logical gate configurations.
Results of Importance analysis help select those fault tree events, which contribute most to the system's unavailability. Sensitivity analysis helps choose those events, for which a relatively small change will lead to a relatively large system unavailability changes.
CAFTA allows you to build, quantify, and analyze fault tree models of any size or complexity. CAFTA is a global product, widely used to address the complex needs of customers who design and operate the large engineered systems found in power generation, communications, transportation, aviation, and space applications.
Its use has been instrumental in transforming the US nuclear power regulatory environment into one of "risk-informed regulation. User friendly tree browsing. Navigating tree logic is easy, in a continuous scroll from top to bottom, making it the most intuitive tree-browsing tool available.
Includes powerful tools for complex model-management jobs: inserting common-cause failure CCF events, circular logic checks, checking for independence, pruning modules, quantification, and filtering cutsets. Common-cause failure event modeling support with both Alpha factor and multiple-Greek letter methods. Windows clipboard data exchange in multiple formats: fault tree logic, graphic images, tabular data. In performing a fault-tree based analysis it is often necessary to solve the fault tree several times, using different subtrees, boundary conditions, truncations or other assumptions about the model.
These solutions can be performed manually in the CAFTA software, but it is often difficult to track and document the numerous results. PRAQuant is used to configure several fault tree analysis solutions in advance, and to track the completion and results from each run.
DPC is a tool for calculating an exact top event probability or frequency of a fault tree logic model without employing cutset-based methods. The Advanced Cutset Upper Bound Estimator is used to calculate the probability or frequency of a Boolean function that is expressed by minimal cutsets.
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