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ST7-1.50.50.6 Using String Groups
The Beam String Group attribute is used to model a continuous chain of truss type beam elements sliding through frictionless connections at nodes. The attribute ensures that a constant axial force develops in all the elements in the same string group. A common application of the attribute is to model massless cables (or strings) such as pulley systems, lifting sling cables, and pre-stressed steel tendons in reinforced concrete. This Webnote examines the Beam String Group attribute and its modelling applications.
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