View source: R/ogden_model_symmetric_energy.R
ogden_model_symmetric_energy | R Documentation |
Convenience function, giving the elastic stress energy as a function of the material stretch, according to the integrated Ogden model (Ogden 1972), by using symmetric pairs of mu
and alpha
. Uses ogden_model_energy
ogden_model_symmetric_energy(mu,alpha,stretch)
mu |
Vector of Young moduli at zero stretch (see details) |
alpha |
Vector of coefficients |
stretch |
Stretch at which the stress energy should be evaluated |
Stress energy at the given stretch values, obtained by calling ogden_model_energy via:
ogden_model_energy(c(mu,mu),c(alpha,-alpha),stretch)
Thomas Braschler
Ogden, R. W. (1972), 'Large Deformation Isotropic Elasticity - On the Correlationof Theory and Experiment for Incompressible Rubberlike Solids',Proceedings of theRoyal Society A: Mathematical, Physical and Engineering Sciences326(1567), 565?584.
stretch=seq(from=0.5,to=2,by=0.01) stress_energy=ogden_model_symmetric_energy(mu=c(1e3),alpha=c(3),stretch=stretch) plot(stress_energy ~ stretch)
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