CU-BENs: A structural modeling finite element library | Zendy

Wensi Wu | Zendy; Justyna Kosianka | Zendy; Heather Reed | Zendy; Christopher J. Stull | Zendy; Christopher Earls | Zendy

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CU-BENs: A structural modeling finite element library

Author(s) -

Wensi Wu,

Justyna Kosianka,

Heather Reed,

Christopher J. Stull,

Christopher Earls

Publication year - 2020

Publication title -

softwarex

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 21

ISSN - 2352-7110

DOI - 10.1016/j.softx.2020.100485

Subject(s) - finite element method , truss , context (archaeology) , computer science , discretization , matrix (chemical analysis) , mathematics , computational science , mathematical optimization , algebra over a field , structural engineering , mathematical analysis , engineering , pure mathematics , paleontology , materials science , composite material , biology

The present work discusses capabilities within the finite element library CU-BENs. CU-BENs focuses on applying the finite element method to structural mechanics problems encountered within the context of inverse problems and partitioned fluid–structure interaction; thus element formulations are primarily of a structural type — truss, frame, and triangular discrete Kirchhoff theory shells. CU-BENs defaults to the skyline sparse storage scheme for the system matrix, but also supports other storage schemes when using external libraries such as LAPACK and UMFPACK. CU-BENs includes built-in nonlinear solution strategies, such as the Newton Raphson method and modified spherical arc length method, that are available within static analyses as well within the context of transient dynamic analyses involving a generalized- α implementation of the Newmark implicit time integration scheme.

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