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San Le

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SLFFEA

Updated 12/17/08


SLFFEA stands for San Le's Free Finite Element Analysis. It 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.
fin mesh Rendered Cylindrical Fin Mesh.
spring mesh Rendered Spring Mesh with Stress YZ.
What SLFFEA includes

15 of the basic finite element types:
  1. 3-D 2 node beam
  2. 3-D 8 node brick
  3. 2-D 3 node plate
  4. 2-D 4 node plate
  5. 3-D 3 node plate with membrane
  6. 3-D 4 node plate with membrane
  7. 2-D 4 node quad (plane stress/strain)
  8. 3-D 4 node quad with membrane
  9. 3-D 4 node doubly curved shell (individual element defined by 4 or 8 nodes)
  10. 3-D 3 node doubly curved shell (individual element defined by 3 or 6 nodes)
  11. 3-D 4 node tetrahedron
  12. 2-D 3 node triangle (plane stress/strain)
  13. 3-D 3 node triangle with membrane
  14. 3-D 2 node truss
  15. 3-D 6 node wedge
6 non-linear large deformation elements using Updated Lagrange formulation with Jaumann Stress Rate:
  1. 3-D 8 node brick
  2. 2-D and 3-D 4 node quad
  3. 3-D 4 node tetrahedron
  4. 2-D and 3-D 3 node triangle
  5. 3-D 2 node truss
  6. 3-D 6 node wedge
And 1 thermal element:
  1. 3-D 8 node brick - It can handle thermal loads as well as orthotropy.
9 Graphical User Interfaces for each element type:
  1. Example of brick GUI
  2. 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 .
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