Alion Science and Technology, JJMA Marine and Industrial Engineering Operation (AlionJJMA) performed 2D and 3D finite element analyses (FEA) of the Vibracon(R) (trade name)SM24 mechanical adjustable chock (for shock applications) for comparison to a standardchock. The purpose of the 3D analysis was to further quantify bending of the mount/chockbolt under a typical shock shear loading. The desired goal is to allow both forward fit andback fit usage of a Vibracon(R) In a standard chock application which would representsignificant cost savings to the U.S. Navy. Bolt bending and loading is a complexphenomenon and is dependent on many variables. The U.S. Navy has been very interestedin this evaluation not just for the significant cost savings associated with Vibracon(R)application but also to gain a better understanding of bolted joint behavior.
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