Mechanical modelling of solid woven fabric composites 77 Table 3.2.Modelling review of woven fabric composites:analytical mechanical models.First four columns indicate whether the full stiffness matrix C,the thermal expansion coefficient o and the strength are predicted,and whether FEM is used.The last column indicates whether this model can be extended to 3-D-woven fabric composites Model C o Strength FEM Limitations To3-D Chou Ishikawa: YY N N No yarn undulation N mosaic model, In-plane properties 1985 Isostrain/isostress Chou Ishikawa: Y Y Knee N Plain weave N crimp model, Undulation in one yarn 1985 system In-plane properties Isostress Chou Ishikawa: Y Knee Satin weave N bridging model, Undulation in one yarn 1985 system In-plane properties Isostress N.K.Naik et al., Y N Non-hybrid plain weave N 1992-1995 In-plane properties Mixed isostress/isostrain On-axis tensile load N N Non-hybrid plain weave oo/ Hahn Pandey, 1993 Isostrain R.Naik,1995 YY Y Non-hybrid plain and satin Isostrain On-axis tensile and shear loads 8 Table 3.3.Modelling review of woven fabric composites:numerical mechanical models Model C a Strength FEM Limitations To 3-D Paumelle et al.,Y N Stress Computational time N 1992 Non-hybrid plain weave No damage or strength model Blackketter et al.,Y N Y Computational time Y/N 1993 Non-hybrid plain weave On-axis in-plane load Whitcomb and Y N Y Computational time N coworker, Non-hybrid plain weave 1993 On-axis in-plane loadMechanical modelling of solid woven fabric composites 77 Table 3.2. Modelling review of woven fabric composites: analytical mechanical models. First four columns indicate whether the full stiffness matrix C, the thermal expansion coefficient a and the strength are predicted, and whether FEM is used. The last column indicates whether this model can be extended to 3-D-woven fabric composites Model C a Strength FEM Limitations To 3-D Chou & Ishikawa: Y Y N N No yarn undulation N mosaic model, In-plane properties 1985 Isostrain/isostress Chou & Ishikawa: Y Y Knee N Plain weave N crimp model, Undulation in one yarn 1985 system In-plane properties Isostress Chou & Ishikawa: Y Y Knee N Satin weave N bridging model, Undulation in one yarn 1985 system In-plane properties Isostress N.K. Naik et al., Y Y Y N Non-hybrid plain weave N 1992–1995 In-plane properties Mixed isostress/isostrain On-axis tensile load Hahn & Pandey, Y Y N N Non-hybrid plain weave Y 1993 Isostrain R. Naik, 1995 Y Y Y N Non-hybrid plain and Y satin Isostrain On-axis tensile and shear loads Table 3.3. Modelling review of woven fabric composites: numerical mechanical models Model C a Strength FEM Limitations To 3-D Paumelle et al., Y N Stress Y Computational time N 1992 Non-hybrid plain weave No damage or strength model Blackketter et al., Y N Y Y Computational time Y/N 1993 Non-hybrid plain weave On-axis in-plane load Whitcomb and Y N Y Y Computational time N coworker, Non-hybrid plain weave 1993 On-axis in-plane load RIC3 7/10/99 7:37 PM Page 77 Copyrighted Material downloaded from Woodhead Publishing Online Delivered by http://woodhead.metapress.com Hong Kong Polytechnic University (714-57-975) Saturday, January 22, 2011 12:30:11 AM IP Address: 158.132.122.9