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PredictionProbe Released UNIPASS™ 4.2

PredictionProbe has announced on 6/1/02 the release of UNIPASSTM version 4.2, the newest version of its renowned probabilistic assessment software. An essential toolset for industrial and engineering organizations worldwide, UNIPASS™ enables users to simplify and solve complex problems using Probabilistic Methods.

Combining an advanced and powerful feature set with an easy-to-use Windows interface, UNIPASS™ is acclaimed for the precision and accuracy of its results. It provides the largest number of probabilistic computational methods of any product available, along with more analysis types and Most Probable Point (MPP) identification methods. It allows the selection of over 37 statistical distribution types for input random variables, and includes a library of over 61 functions, including user-defined. The new version offers an advanced simulation-based MPP search method, enhanced graphic functions and refinements to the interface with multi external solvers without any coding, in response to user requests.

Easy Ways to Interface with Multiple Software Systems Simultaneously

The UNIPASS™ interface modules allow simultaneous communication with multiple software systems. While enhancing the capabilities of these software systems, UNIPASS™ minimizes the number of deterministic software runs needed to perform Probabilistic Analysis. The existing interface options include:

  •  Generic Interface: This interface, without any coding, allows simultaneous integration with one or more commercial and/or in-house software systems with multiple input/output files

  •  Customized Interface: This interface allows simultaneous integration with one or more commercial and/or in-house software systems with multiple non-standardized input/output files

  •  System Command Interface: This interface provides a flexible and robust alternative to Generic and Customized Interface to integrate with one or more commercial and/or in-house software systems with multiple input/output files

  •  MSC/NASTRAN Interface: This interface provides for performing probabilistic finite element analysis using MSC/NASTRAN finite element code (interface with other finite element software may be established using other interface options)

 

What are new in Version 4.2 Compared to Version 4.1?

The new features provided by Version 4.2 are summarized below:

  •  The Generic Interface of UNIPASS™ has capability to handle the case of unsuccessful run of external software, a new capability provided by Version 4.1.
  •  The Generic Interface of UNIPASS™ can handle multi parametric files for  single external software.
  •  The Customized Interface of UNIPASS™ can handle multi parametric files for single external software.
  •  The Non-gradient based MPP Identification Method can perform Probability, Inverse probability, CDF/PDF Analyses for the case of existing undefined limit state functions in the random variable space.
  •  Non-gradient based MPP Identification method can perform Sensitivity Analysis and 3-D sensitivity plots in the CDF/PDF analysis.
  •  The 3-D sensitivity plot in CDF/PDF analysis can provide 2-D sensitivity plot for a specified limit state function level with no limitation in the number of random variables.
  •  The random variables with user provided distributions can entered the desired starting point for the procedure of MPP Identification.
  •  The Sphere Based Importance Sampling Method has capability to specify the value of radius of sphere.

  •  Fixed the problem of “quick drop to zero” in both PDF and CDF plots when the range of limit state function is from a negative value to a positive value in Monte Carlo simulation method.

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Last Updated 02/08/10

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