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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Nonlinear Dynam 2 1Jul 05, 13 pages doi: Interpolated Ground Motion 1. You either do not have a subscription or your subscription has expired. Elastic Uniaxial Material 1. Pinching Limit State Material 1. Sign into or create your free personal account. Please sign back in to continue. One of the salient attributes of the algorithm is the good conditioning of the Jacobian matrix associated with the implicit integrator.
Wide Flange Section 1. It operates independently of a user’s location or IP address. There are no results showing stability of this method over the wide range of nonlinear problems that potentially exist. Sign into or create your free personal account Sign in via Shibboleth What is Shibboleth?
Hilber-Hughes-Taylor Method — OpenSeesPy documentation
Software, Ann Arbor, MI gisli. Elastic Truss Analysis 1. It replaces the multiple user names and passwords necessary to access hilbfr content with a single user name and password that can be entered once per session. Simulations using the proposed algorithm of an engine model, a model with contacts, and a model with flexible bodies indicate a 2 to 3 speedup factor when compared against benchmark MSC.
Elastic Membrane Plate Section 1. Initial Stress Material 1. Algorithms Equations Errors Multibody dynamics. Received April 01, ; Revised July 05, Portal Frame 2d Analysis 1.
Nine Four Node Quad u-p Element 1. Twenty Eight Hilner Brick u-p Element 1. Newton with Line Search 2. Generalized Alpha Method 2. Velocity Dependent Friction 1.
Restrained beam under thermal expansion. Reinforced Concrete Frame Pushover Analysis 1. Modified Newton Algorithm 2. Standard Brick Element 1.
Depending on choices of input parameters, the method bilber be unconditionally stable. Garcia de Jalon, J. Error estimation, integration step-size control, and nonlinear system stopping criteria are discussed in detail. Elastic Beam Column Element 1.
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BbarQuad u-p Element 1. Corotational Truss Element 1. Also available online at http: Hughex Slider Bearing Element 1. Sign in or create your free personal ASME account. BbarBrick u-p Element 1. Experience indicates that the time step for implicit schemes in nonlinear situations can be much greater than those for explicit schemes.
The proposed algorithm is based on the Hilber-Hughes-Taylor HHT implicit method and is tailored to answer the challenges posed by the numerical solution of index 3 differential-algebraic equations that govern the time evolution of a multibody system.