This means that node point 20 is not restrained against a point in space, but rather that it cannot move in the global Y-direction relative to node point 10 - the end of the expansion joint - an effective representation of a tied expansion joint. Placement of a restraint here in this manner restrains node point 20 (the end of the tie rod) against a rigid point in space this can be adjusted by defining the restraint node point 10 as a CNODE. without developing tension in the anchor rods, only due to the prestress (in the. The attachment is provided by placing a restraint at the far end of the tie rod (node point 20) in the direction of the expansion joint axis, in this case the Y direction. It is no surprise that a failure in a connecting rod can be one of the most costly and damaging failures in an engine. stress block under the base plate in the compression side and tensile. This puts node points 10 and 20 at a coincident location, without any actual attachment. The tie rod element is then run from node point 5 to node point 20, using the same delta-coordinates as for the expansion joint. The bellows element is modeled as running between the two node points 5 and 10. Consider the expansion joint/tie rod assembly shown in Figure 3-43. With "CNODEs" (other nodes in the system to which a restraint is connected). The tie rods are modeled in CAESAR II to resist only axial loads through the use of restraints
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