SLFFEA stands for 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.
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 .
What's New in This Release:
The quad and triangle elements are expanded.
The 4 node quadrilateral element can now handle 3-D membrane problems in addition to the plane strain/stress problems.
The 3 node triangle can now handle 3-D membrane problems in addition to the plane strain/stress problems.
The plate element is now also a 3-D element with membrane properties.
It also can handle 3 node plate meshes.
From the membrane, there are also x and y displacements as well as rotations in z.
A lot of the redundant science and graphics were consolidated.
plane strain node brick finite element membrane problems now handle the plane problems the stress problems strain stress can now node triangle graphical user element analysis
Download SLFFEA 1.4
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