Issue 39

M. Romano et alii, Frattura ed Integrità Strutturale, 39 (2016) 226-247; DOI: 10.3221/IGF-ESIS.39.22

E

stiffness, Young’s modulus

  k E , 

elliptic integral of the second kind longitudinal deformation as strain



x

kin , x  difference of the applied and evaluated deformations in longitudinal direction kin , y  kinematic part due to mesomechanic geometric constraints in transversal direction F fabric, fill-yarn f fiber FE numerically determined by finite-element-analysis f  fiber volume content G shear modulus H absolute height k el elastic support kin kinematic l length L longitudinal  factor characterizing the type of the fabric M, m matrix M ~ slope, sensitivity to the mesomechanic kinematic

max maximum value mod modified value n substep ν Poisson’s ratio o one-sided O ~

degree of ondulation

PL

plain weave

PRS

plain representative sequence

rel

relative roving density

R



s

length of a function

S T

wave steepness

transversal

tot

total

t

two-sided

u

displacement in longitudinal direction, degree of deformation displacement in transverse direction in numerical investigations

v

w

displacement in transverse direction in analytical model, shift of the amplitude

W warp-yarn x , y , z global principal directions

247