Python 3 library to build and solve finite element analysis (FEA) models in Calculix.
- Meshing uses Calculix or GMSH
- Website: http://justinablack.com/pycalculix/
- Source Code: https://github.com/spacether/pycalculix
- Documentation: https://pythonhosted.org/pycalculix/
Useful applications of Pycalculix:
- Trade studies for plane stress, plane strain, or axisymmetric parts
- Quick Kt analysis of 2D geometry
- Learning finite element analyis (FEA) and Python
I build a chunker in python which tries to cut big areas (> 5 sides) which cgx can’t mesh into smaller areas (<= 5 sides) which are meshable in cgx. The chunker may not always be able to cut areas correctly.
Axisymmetric, plane stress, and plane strain elements are supported. First and second order triangles and quadrilaterals are supported.
- First order elements only have corner nodes
- Second order elements have corner and mid-side nodes
Second order elements produce more accurate results Setting element divisions on lines is supported
One can build separate parts made of points, lines, arcs, and areas. One can draw a part made of straight lines, then smooth out corners by adding blends/fillets with the part method: part.fillet_lines(L1, L2, arc_radius) The new fillet will be tangent to both adjacent lines.
- Force loading
- Constant pressure
- Linearly varying pressure (water pressure)
- Rotational speed forces
- Displacement constraints are supported
- Loads are stored on geometry primitives (points lines etc) and can be applied before or after meshing
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