NESC9725 NIKE-3D.
NIKE3D, Static and Dynamic Response of 3-D Solids
NAME OR DESIGNATION OF PROGRAM, COMPUTER, DESCRIPTION OF PROGRAM OR FUNCTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, NAME AND ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES
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3. DESCRIPTION OF PROGRAM OR FUNCTION
NIKE3D is a vectorized, fully implicit, three-dimensional, finite-element program for analyzing the finite-strain, static and dynamic response of inelastic solids, shells, and beams. Capabilities currently available include sliding interfaces, body force loads due to base acceleration, body force loads due to spinning (geometry dependent), concentrated nodal loads, pressure boundary conditions (geometry dependent), displacement boundary conditions, thermal stresses, plotfile generation, and problem restart.
This package is distributed by:
Energy Science and Technology Software Center
P.O. Box 62
1 Science.Gov Way
Oak Ridge, TN 37831
(865) 576-2606 TEL
(865) 576-6436 FAX
E-mail: ESTSC@osti.gov
NIKE3D is a vectorized, fully implicit, three-dimensional, finite-element program for analyzing the finite-strain, static and dynamic response of inelastic solids, shells, and beams. Capabilities currently available include sliding interfaces, body force loads due to base acceleration, body force loads due to spinning (geometry dependent), concentrated nodal loads, pressure boundary conditions (geometry dependent), displacement boundary conditions, thermal stresses, plotfile generation, and problem restart.
This package is distributed by:
Energy Science and Technology Software Center
P.O. Box 62
1 Science.Gov Way
Oak Ridge, TN 37831
(865) 576-2606 TEL
(865) 576-6436 FAX
E-mail: ESTSC@osti.gov
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4. METHOD OF SOLUTION
Spatial discretization is accomplished using eight-node solid elements that are integrated using a two-point Gauss quadrature rule, four-node shell elements that use a 2x2 Gauss integration in the surface and from 1 to 5 integration points through the thickness, and two-node thick beam elements using from 1 to 5 integration points in each local direction of the cross section at the center of the beam. Elastic, orthotropic elastic, elastic-plastic, thermo-elastic-plastic, soil and crushable foam, linear viscoelastic, thermo-orthotropic elastic, and thermo-elastic- creep material models are implemented. An incremental-iteractive numerical algorithm, based on the Green-Naghdi and Jaumann stress rate formulations, is implemented in NIKE3D. Five iterative schemes are available including the BFGS quasi-Newton method, Broyden's quasi-Newton method, modified Newton-Raphson, full Newton, and full Newton with line search.
Spatial discretization is accomplished using eight-node solid elements that are integrated using a two-point Gauss quadrature rule, four-node shell elements that use a 2x2 Gauss integration in the surface and from 1 to 5 integration points through the thickness, and two-node thick beam elements using from 1 to 5 integration points in each local direction of the cross section at the center of the beam. Elastic, orthotropic elastic, elastic-plastic, thermo-elastic-plastic, soil and crushable foam, linear viscoelastic, thermo-orthotropic elastic, and thermo-elastic- creep material models are implemented. An incremental-iteractive numerical algorithm, based on the Green-Naghdi and Jaumann stress rate formulations, is implemented in NIKE3D. Five iterative schemes are available including the BFGS quasi-Newton method, Broyden's quasi-Newton method, modified Newton-Raphson, full Newton, and full Newton with line search.
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- I. Deformation and Stress Distributions, Structural Analysis and Engineering Design Studies
Keywords: creep, deformation, dynamic loads, elasticity, finite element method, plasticity, static loads, stress analysis, three-dimensional.