From the Selection list, choose the boundaries to define a cross section of a single bolt. This cross section must be an interior boundary. It is the section where the stress in the bolt is measured.
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From the Selection list, choose a point to define a cross section of a single bolt. This cross section must be an interior point. It is the section where the stress in the bolt is measured.
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For Pretension stress enter a value or expression for σp, the pretension stress in the bolt. The pretension force is computed through multiplication by the actual area of each selected bolt.
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For Tightening torque, enter a value or expression for MT, the tightening torque. All other values needed for computing the bolt force from the torque are taken from the parent node.
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If the input of the pretension load in the parent node is by Pretension force, the given force is interpreted as the force for the whole bolt.
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The Symmetry Detection section is not present in 2D axial symmetry, since the bolt in that case always is axially symmetric.
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The Symmetry Detection section is not present in the Beam interface, since it is not possible to automatically determine the geometrical shape of the bolt.
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Modeling of Pretensioned Bolts: Application Library path Structural_Mechanics_Module/Tutorials/bolt_pretension_tutorial
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