 | SLFFEASan Le's Free Finite Element Analysis |
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SLFFEA Description
San Le's Free Finite Element Analysis SLFFEA stands for San Le's Free Finite Element Analysis. SLFFEA is a package of scientific software and graphical user interfaces for use in finite element analysis. It is written in ANSI C by San Le and distributed under the terms of the GNU license.SLFFEA includes:9 of the basic finite element types: - 3-D 2 node beam - 3-D 8 node brick - 2-D 4 node plate - 2-D 4 node quad (plane stress and plane strain) - 3-D 4 node doubly curved shell (individual element defined by 4 or 8 nodes) - 3-D 4 node tetrahedron - 2-D 3 node triangle - 3-D 2 node truss - 3-D 6 node wedge non-linear large deformation element: - 3-D 8 node brick - Updated Lagrange formulation with Jaumann Stress Rate And 1 thermal element: - 3-D 8 node brick - It can handle thermal loads as well as orthotropy. 9 Graphical User Interfaces for each element type. - Example of brick GUI - Example of beam GUI SLFFEA is dedicated to Richard Stallman , Granddaddy of the Free Software Movement, Linus Torvalds, its prodigal son, and everyone on comp.os.linux.setup. Requirements: · The Mesa 3D Graphics Library · Perl What's New in This Release: · The double curved shell was expanded to handle triangle elements. · The 4 node shell element can now handle 3 nodes. · Several non-linear (large deformation) codes were added and the brick and truss non-linear codes were cleaned up. · So now it is possible to use the conjugate gradient method as well as dynamic relaxation. · The following elements now have non-linear counterparts: brick, quad, tetrahedron, triangle, truss, and wedge.
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