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# Category Archives: Beam Bending

## 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

## A Treatise on the Mathematical Theory of Elasticity

The book The Man Who Knew Infinity by Robert Kanigel describes the life of the Indian mathematician Srinivasa Ramanujan, and also his Cambridge mentor G.H. Hardy. It mentions that Hardy was influenced by reading “A Treatise on the Mathematical Theory … Continue reading

Posted in Beam Bending, Maths, Newton
Tagged AEH Love, B-OK Global, HAL Archives, Internet archives, Mathematical Theory of Elasticity
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## Using Excel with Python and ctypes

The Strand7 API provides an interface between the Strand7 Finite Element Analysis program and external software. It works with many different languages, including Python, which uses ctypes to transfer data to and from the API functions. It is essential that … Continue reading

Posted in Beam Bending, Excel, Link to dll, Link to Python, NumPy and SciPy, PyXLL, Strand7, UDFs
Tagged ctypes, Excel, Python, PyXLL, Strand7 API, UDF
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## Concrete Stress Blocks

Back in 2010 and 2011 posts here looked at a comparison of alternative stress blocks in the then new AS 3600, and a procedure for calculating parameters for a rectangular stress block exactly equivalent to the Eurocode 2 parabolic-rectangular stress … Continue reading

## Deflections and Moments in Rectangular Plates

Following a question here I have compared tabulated coefficients for deflections and bending moments in a rectangular plate with results of a Strand7 analysis using 8 noded plate/shell elements. The results are summarised below, and in a spreadsheet which also … Continue reading

Posted in Beam Bending, Curve fitting, Excel, Finite Element Analysis, Newton
Tagged Excel, FEA, Linest, Moody, Pilkey, plate bending, plate deflections, Plate stresses, Roark, Strand7, Timoshenko
2 Comments