iMechanica - Comments for "Modeling mechano-chromatic lamellar gels"
https://imechanica.org/node/11637
Comments for "Modeling mechano-chromatic lamellar gels"enVolume fraction
https://imechanica.org/comment/17924#comment-17924
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<p><em>In reply to <a href="https://imechanica.org/node/11637">Modeling mechano-chromatic lamellar gels</a></em></p>
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Dear Lianhua,
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Glad that you are interested in this work. You are absolutely correct. Eq. (2) has a coefficient N, which is the number of polymer chains in the reference state. Since we take the as-synthesized state as the reference state, N already includes the information of the SL volume fraction.
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Happy New Year,
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Wei
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</ul>Sat, 31 Dec 2011 16:16:45 +0000Wei Hongcomment 17924 at https://imechanica.orgNice paper
https://imechanica.org/comment/17915#comment-17915
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<p><em>In reply to <a href="https://imechanica.org/node/11637">Modeling mechano-chromatic lamellar gels</a></em></p>
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<span>Dear Wei, Thanks for posting your paper.<span> </span>I had a look on this interesting paper and I have a question to be clarified. As you mentioned, the lamellar gel is a composite composed of two distinct regions: SLs and NLs. I noticed that you treated this composite as a homogeneous continuum, and derived the coupled constitutive relations by writing the total free energy density function. To my knowledge, the total free energy density for a composite should be given in terms of the volume fraction and the stretches of every phase. In Eq.(3) and(4), the SL and NL volume fractions were incorporated into the free energy function Wm and Wb. However, the SL volume fraction was missing in Eq.(2) Wn. I am not sure why the SL volume fraction and lamda0^3 (in the last log.term) were excluded? Maybe the effect of SL volume fraction was reflected by <strong><em>N</em></strong> (the number of HPN chains per reference volume)?</span>
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<span>Thanks </span>
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<span>Lianhua</span>
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</ul>Fri, 30 Dec 2011 02:28:53 +0000Lianhua Macomment 17915 at https://imechanica.org