The Hilber-Hughes-Taylor (HHT) α-method. Objective: introduce damping in the Newmark method without degrading the order of accuracy. (). 1. 2. 2. 1. 1. 1. Create a Hilber-Hughes-Taylor (HHT) integrator. This is an implicit method that allows for energy dissipation and second order accuracy (which is not possible. Two unconditionally stable implicit methods with controllable numerical dissipation are compared, namely the improved version of the.
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Error estimation, integration step-size control, and nonlinear system stopping criteria are discussed in detail.
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Software, Ann Arbor, MI anthony. Brick u-p Element 1. Elastic Beam Column Element 1. Triple Friction Pendulum Element 1. One of the salient attributes of the algorithm is the good conditioning of the Jacobian matrix associated with the implicit integrator.
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