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# Category Archives: Newton

## Python callable arguments from Excel

Many Scipy functions have “callable” arguments, i.e. functions that can be called, with the returned data used as input by the calling function. Types of callable arguments include: Functions in the active Python module Functions in any active loaded library … Continue reading

Posted in Excel, Link to Python, NumPy and SciPy, PyXLL, UDFs
Tagged Eval, Excel, getattr, globals, lambda functions, Python, PyXLL, UDFs
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## Python optional arguments from Excel – Part 2

The previous post provided a method for using pyxll to pass optional arguments from Excel to Python whilst preserving the default values of any called Python function for arguments that were omitted in the Excel function. One condition where this … Continue reading

Posted in Excel, Link to Python, NumPy and SciPy, PyXLL, UDFs, VBA
Tagged default arguments, Excel, Python, PyXLL, UDFs, VBA
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## Units4Excel Update

As discussed here, I have updated the Units4Excel spreadsheet, with the list of non-SI units updated from the latest Wikipedia table. The EvalU user defined function (UDF) has also been modified with three output options, as shown in the screen-shot … Continue reading

Posted in Excel, Maths, Newton, UDFs, VBA
Tagged Evaluate text functions, Excel, UDFs, Unit aware calculations, VBA
5 Comments

## More on RC design of circular sections

Following the last post on this topic (Reinforced Concrete Design for Circular Sections to Eurocode 2) I have added provision for parabolic-linear concrete stress blocks to the ULS Design Functions spreadsheet. The Circu function in the RC Design Functions spreadsheet has … Continue reading

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged ACI 318, AS 3600, Circular reinforced concrete sections, Comparison of codes, Eurocode 2, Excel, UDF, ULS Design Functions, VBA
4 Comments

## More Open Source FEA Code Links

The book Nonlinear Finite Element Analysis of Solids and Structures 2nd Edition has an associated python code package called pyFEM, but a search for this code finds several others with the same or similar names: The pyFEM sites associated with the … Continue reading