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Category Archives: Finite Element Analysis
Secondary moments in prestressed beams with FEA
Secondary (or hyperstatic) bending moments occur in prestressed beams that are continuous over internal supports, or have other redundant support conditions. Any eccentric prestress force will cause a beam to deflect, and if these deflections are restrained at internal supports, … Continue reading
Installing Python and pyxll from scratch
Updated 28th September 2022. Matplotlib latest version OK. I recently installed Python and pyxll (plus the required additional libraries) on a new computer, which raised a few problems with incompatible versions, so here is a summary of what worked (as … Continue reading
Posted in Animation, Arrays, Charts, Coordinate Geometry, Differential Equations, Excel, Finite Element Analysis, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, Python Pandas, PyXLL, UDFs
Tagged Excel, installation, kaleido, MatPlotlib, mpmath, Numba, Numpy, Pint, plotly, PyPardiso, Python, PyXLL, SciPy, sectionproperties, Sympy
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Installing PyPardiso and speed of Scipy spsolve
I recently upgraded to Python 3.10, and because of some problems with my previous installation I decided to do a complete new installation using pip, which required installation of all the libraries needed for my various programs. For my linear … Continue reading
Posted in Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, PyPardiso, Python, PyXLL, SciPy, sparse matrices, sparse solvers
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SectionProperties update 3
The SectionProperties spreadsheets previously posted had limited graphics capabilities due to problems with the plotting routines causing Excel to crash. I have now fixed that problem by updating some Python libraries with pip: installing mkl-service numpy 1.21.2 -> 1.22.1 Pillow … Continue reading
Posted in Beam Bending, Charts, Charts, Coordinate Geometry, Excel, Finite Element Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL
Tagged Excel, Python, PyXLL, Section-Properties, Torsion, Warping
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SectionProperties update update
Since my previous post on the Python SectionProperties program it has been updated to Rel. 2.02, with some major changes: The mesh generation library has been changed from MeshPY to Triangle New functions have been added for: Steel sections Concrete … Continue reading
Posted in Concrete, Excel, Finite Element Analysis, Link to Python, Newton, PyXLL, Strand7
Tagged Excel, Python, PyXLL, Section-Properties, Torsion
2 Comments