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*ZONES

Purpose

To define element sets that will be used as one zone in SHEAR7.

Theory

Refer to SHEAR7 Data Specification for further information on this feature. For more information, refer to the Shear7 User Guide which is available for download from the Shear7 Support web page.

Keyword Format

A repeatable line with one entry:

SET=Set Name 

SHEAR7 recommends not attempting to model too much detail in zones. The zone capability in SHEAR7 should not be used to include small structural details. On the otherhand, Flexcom will seek to capture even slight changes in geometry when it builds your SHEAR7 model. This can be problematic in areas like tapered joints with changing geometry may cause the generation of multiple zones. In order to allow the user to best capture these geometric changes *ZONES can be used to generate sections with equivalent properties.

In generation of these equivalent sections the maximum drag diameter is used while a weighted average of other parameters are used. It’s worth noting that when internal fluid is present the total weight of the internal fluid will be calculated and smeared over the section. Additionally, the user should be careful as to which set they assign as a zone as the set does not have to be consecutive.

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