Queries, comments, suggestions? Please contact us.



Area Physics for electrotechnology / Mechanics

IEV ref113-03-62

Symbol
τ

en
stress
at a given point of a body, tensor quantity τ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiqbes8a0zaalyaala aaaa@3AB5@ characterizing the relation between the force dF acting on a surface element containing that point with the area dA of the element: dF= τ e dA MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaKqzafGaaiizaOGaaC Oraiabg2da9iqbes8a0zaalyaalaGaeyyXICTaaCyzaKqzafGaaiiz aiaadgeaaaa@43C0@ , where e dA is the vector surface element

NOTE 1 If dF and e dA are parallel, stress may be described by a scalar.

NOTE 2 The coherent SI unit of stress is pascal, Pa.


fr
contrainte, f
en un point d’un corps, grandeur tensorielle τ MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaiqbes8a0zaalyaala aaaa@3AB5@ qui caractérise la relation entre la force dF agissant sur un élément de surface contenant le point et l'aire dA de cet élément: dF= τ e dA MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGe aGqk0di9Wr=fpeei0di9v8qiW7rqqrVepeea0xe9LqFf0xc9q8qqaq Fn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpe WZqaaeaaciWacmGadaGadeaabaGaaqaaaOqaaKqzafGaaiizaOGaaC Oraiabg2da9iqbes8a0zaalyaalaGaeyyXICTaaCyzaKqzafGaaiiz aiaadgeaaaa@43C0@ , où e dA est l'élément vectoriel de surface

NOTE 1 Si dF et e dA sont parallèles, la contrainte est une grandeur scalaire.

NOTE 2 L'unité SI cohérente de contrainte est le pascal, Pa.


ar
إجهاد

de
mechanische Spannung, f
Spannung, f

es
esfuerzo

fi
jännitys

it
sforzo
sollecitazione

ja
応力

pl
tensor naprężeń stycznych

pt
esforço

sv
spänning

zh
应力

Publication date: 2011-04
Copyright © IEC 2017. All Rights Reserved.