AdvisorRichard, Ralph M.
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PublisherThe University of Arizona.
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AbstractThe gap finite element uses the Richard equation to account for the nonlinearity in the boundary condition changes during deformation. This is accomplished by replacing the boundary nonlinearity with an equivalent material nonlinearity within the finite element program and using an incremental solution method. The gap element is developed as a special element with easily obtainable input parameters. The gap element is used to predict high stresses in local areas related to the contact of structural bodies. The major advantage to using a finite element solution with a gap element over a classical solution is in the ease of combining the contact stress with other stresses in a structural body.