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Composits- Help

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I can think of a finite element program that might help with the modeling
which uses a plane stress isoparametric finite element (ADINA) reference
ADINA R&D Report 92-8, ADINA theory and modeling guide.  In this FEM you
will be able to model your mesh with fiber mesh @90 degree angle and it
should give results, for example if you are analyzing a shear wall then the
vertical fiber mesh will be considered as resisting flexure, normal force
and shear in the vertical direction and the horizontal is to resist the
forces applied in the lateral direction.  Check out!  Good luck!  Dr. Sassi
---------------------- Forwarded by Hassan Sassi/OES on 04/22/2000 02:59 PM
---------------------------


Richard Ranous
01/22/98 10:07 AM

To:   Hassan Sassi/OES@OES
cc:
Subject:  Composits- Help

Here is another one which is right up your alley.  Also, please call me at
3461 I need to talk to you about SEAOSC.
---------------------- Forwarded by Richard Ranous/OES on 01/22/98 10:06 AM
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Please respond to seaoc(--nospam--at)seaoc.org

To:   seaoc(--nospam--at)seaoc.org
cc:    (bcc: Richard Ranous/OES)
Subject:  Composits- Help





Hello Everybody !
  Can anybody throw some light on the following problem faced by us ?
     MODELING OF FRP COMPOSITE MATERIALS
     COMPOSITES MADE OF WOVEN ROVINGS(FABRIC) HAVE FIBRES IN TWO MUTUALLY
     PERPENDICULAR DIRECTIONS.  WHILE MODELLING FOR FEM ANALYSIS EACH LAYER
     IS ASSUMED TO HAVE FIBRES ORIENTED IN ONE DIRECTION ONLY.  THERE IS NO
     SEPARATION OF FIBRES IN A COMPOSITES MADE OF FABRIC. WHAT SHOULD BE
THE
     FIBRE ANGLE WHILE MODELLING THE FABRIC ELEMENTS?  WHAT SHOULD BE THE
     PROPERTIES OF THE COMPOSITE MATERIAL IN SUCH A LAYER?
  If we use 0 or 45 or 90 deg. it represnets only one direction and
the results does not match with actual test results.
Thank you in anticipation
Prasad
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                          PML Prasad
        64, Sancharpuri, Bowenpally,SECUNDRABAD 500 011  INDIA
        Phone : 91-40-775 1494
        FAX No.(PC):+91-40-775 1494 (Please Give Voice call first)
        Email:satsys(--nospam--at)hd1.vsnl.net.in  (Please note hd1 is H,D and"one")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





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