NIKE3D a nonlinear, implicit, three-dimensional finite element code for solid and structural mechanics user's manual update summary

Puso, M ; Maker, B N ; Ferencz, R M ; Hallquist, J O

Lawrence Livermore National Laboratory

关键词: 42 Engineering;    Membranes;    Algorithms;    Strains;    Factorization;   

DOI  :  10.2172/15004757
RP-ID  :  UCRL-MA-105268-SUM
RP-ID  :  W-7405-ENG-48
RP-ID  :  15004757

美国|英语

来源: UNT Digital Library

【 摘 要 】

This report provides the NIKE3D user's manual update summary for changes made from version 3.0.0 April 24, 1995 to version 3.3.6 March 24,2000. The updates are excerpted directly from the code printed output file (hence the Courier font and formatting), are presented in chronological order and delineated by NIKE3D version number. NIKE3D is a fully implicit three-dimensional finite element code for analyzing the finite strain static and dynamic response of inelastic solids, shells, and beams. Spatial discretization is achieved by the use of 8-node solid elements, 2-node truss and beam elements, and 4-node membrane and shell elements. Thirty constitutive models are available for representing a wide range of elastic, plastic, viscous, and thermally dependent material behavior. Contact-impact algorithms permit gaps, frictional sliding, and mesh discontinuities along material interfaces. Several nonlinear solution strategies are available, including Full-, Modified-, and Quasi-Newton methods. The resulting system of simultaneous linear equations is either solved iteratively by an element-by-element method, or directly by a direct factorization method.