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 Laminate_Stress_Strain_Analysis.xls New!
The User input cells are light blue background with bold dark blue text.
The thickness column over rides the material lamina thicknesses - for use with core materials
The Strain approach includes damage effects, the stress approach does not
Any comments or error reports are appreciated
Notes:
The Biaxial strain envelope is typically conservative for biaxial compression
The Mohr's circle approach is typically conservative for shear
The interacted margin of safety is for the Mohr's circle method
All material data is typical - may not be accurate
The spreadsheet has been produced by Abbott Aerospace an independent
consultancy company offering structural engineering services the
aerospace industry. You can contact them by email
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
abbottaerospace
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 JOIST.xls Updated!
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In the "JOIST.xls" workbook in the "K-Joist Analysis" worksheet it was
discovered that in a few cells I had an inadvertent and undesirable
extra space at the end of the 2 numbers in the table representing the
allowable total and live loads for the joist sizes and spans. What the
extra space did was prevent the program from correctly extracting the
second number (live load) from the table. These few occurrences were
very obvious to the user due to the erroneous single digit value which
was displayed for the distributed live load (WLL) in the calculation
page. By the way, the load table in the "LH-Joist Analysis" worksheet
was also checked for the presence of any of the extra spaces and none
were found.
The current version of this workbook is now 1.4.
AlexTomanovich
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 Colebrook_White.xls New!
Purpose of calculation: To determine the Velocity & Flow of water through pipes of varying diameter, slope & material.
Calculation Reference: In accordance with Australian Standard AS2200-2006 "Design charts for water supply and sewerage".
Calculation Validation: Hydraulic Capacity Design Charts (readily
available); AS2200-2006 "Design charts for water supply and sewerage"
Adam Dennaoui
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Motor_Temperature_Calc.xls New!
Excel spreadsheet to determine the temperature affect on DC & Brushless DC motors. Based on whitepaper by Edward Hage. http://www.specamotor.com/pdf/overheating_white_paper.pdf
Clyde ()
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Site News 
ExcelCalcs Welcomes Aeronautical Engineer Richard Abbott - Richard Abbott boldly goes where no other ExcelCalcs User has gone before by uploading some Aerospace calculations. It's a small world because as it turns out I used to work with Richard's eminent engineering father, Barrie Abbott. Richard used to own and run his own commercial recording studio but his engineering genes got the better of him and he now runs Abbott Aerospace an independent
consultancy company offering structural engineering services the
aerospace industry. He is based in London, Ontario, Canada.
