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  1. No Access

    Article

    Sparse algorithms for indefinite system of linear equations

     Sparse LDLT algorithms, based upon mixed forward-backward factorization strategies, are developed for direct solution of indefinite system of linear equations. A simple rotation matrix is also introduced and inc...

    P. Chen, H. Runesha, D. T. Nguyen, P. Tong, T. Y. P. Chang in Computational Mechanics (2000)

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    Article

    Large strain analysis of rubber-like materials based on a perturbed Lagrangian variational principle

    A mixed finite element method is presented for the large strain analysis of rubber-like materials, which are considered to be nearly incompressible. Two types of constitutive relations are included: generalize...

    T. Y. P. Chang, A. F. Saleeb, G. Li in Computational Mechanics (1991)