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Prestressed Bolts in a Tube Connection

Application ID: 185

A tube connection consisting of a flange with four pre-stressed bolts is subjected to tensile forces.

Two contact regions are modeled: one between the bottom surface of the flange and the top surface of an additional fixed solid, and the other between the washer under the bolt head and the flange. In order to compute the influence of the tensile force on the stress level in the bolt, a parametric analysis is done.

This model requires both the Structural Mechanics Module and the CAD Import Module.

This model is included as an example in the following products:

Structural Mechanics Module

The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Grille de spécifications and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.