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QUDT -Quantities, Units, Dimensions and dataTypes - public repository
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Add Stress Intensity Factor Quantity Kind and related items #698

Closed mgberg closed 1 year ago

mgberg commented 1 year ago

This adds a quantity kind for Stress Intensity Factor, the corresponding dimension vector, and two units for it.

This is a bit of a tricky one since the dimensionality has a fractional exponent- the common unit for stress intensity factor and fracture toughness is MPa√m. I don't think there's a standard for how to represent fractional exponents in unit or dimension vector URIs, so I used a decimal representation with the . replaced with _ (e.g. MPa√m => unit:MegaPA-M0_5). If there is a different way this should be represented, please let me know and I'll make the appropriate changes.

Also, for some reason unit:MegaGM-PER-HA was not in the correct location in the file and was moved when the file was reserialized.

ralphtq commented 1 year ago

For “.“, “pt” is recommended.Sent from my iPhoneOn May 4, 2023, at 4:04 PM, Matt Goldberg @.***> wrote:This adds a quantity kind for Stress Intensity Factor, the corresponding dimension vector, and two units for it. This is a bit of a tricky one since the dimensionality has a fractional exponent- the common unit for stress intensity factor and fracture toughness is MPa√m. I don't think there's a standard for how to represent fractional exponents in unit or dimension vector URIs, so I used a decimal representation with the . replaced with _ (e.g. MPa√m => unit:MegaPA-M0_5). If there is a different way this should be represented, please let me know and I'll make the appropriate changes. Also, for some reason unit:MegaGM-PER-HA was not in the correct location in the file and was moved when the file was reserialized.

You can view, comment on, or merge this pull request online at:   https://github.com/qudt/qudt-public-repo/pull/698

Commit Summary

fb9cfdc Add quantitykind:StressIntensityFactor and related QKDV and units

File Changes (3 files)

M
vocab/dimensionvectors/VOCAB_QUDT-DIMENSION-VECTORS-v2.1.ttl
(19)

M
vocab/quantitykinds/VOCAB_QUDT-QUANTITY-KINDS-ALL-v2.1.ttl
(10)

M
vocab/unit/VOCAB_QUDT-UNITS-ALL-v2.1.ttl
(65)

Patch Links:

https://github.com/qudt/qudt-public-repo/pull/698.patch https://github.com/qudt/qudt-public-repo/pull/698.diff

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mgberg commented 1 year ago

I've changed 0_5 to 0pt5 as @ralphtq suggested.