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MathGroup Archive 2004

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Re: nonlinear theory of elasticity question using Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48108] Re: nonlinear theory of elasticity question using Mathematica
  • From: mathma18 at hotmail.com (Narasimham G.L.)
  • Date: Thu, 13 May 2004 00:08:52 -0400 (EDT)
  • References: <c7q6c7$rph$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Anatoly Vershinin <versh1984 at mail.ru> wrote in message news:<c7q6c7$rph$1 at smc.vnet.net>...

Large deformations in plane elasticity. Tensor of tensions at plane
with elliptical hole,forces at infinity. Because of huge formulas my
program is VERY slow,half a day.

Did you first solve the linear case with circular hole? Is the time
taken more due to inclusion of geometrical non-linearity? Is the
material isotropic or St.Venant type? Please send details of the
Stress function, whether plane stress/strain , PDEs, compatibility
conditions,boundary conditions etc. Using NDSolve should take only a
few seconds.I have not used the tensor package of Mathematica but
believe it should be not too difficult or time consuming.


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