form FreeFem syntax defining a variational PDE problem
Calling Sequence
v = pde_varsol(name,integral,a)
Parameters
name
a string
integral
a string
a
a ffeq data structure (see defvar)
Description
Form FreeFem syntax
name=int(integral)(a)
Examples
E=21.5;sigma=0.29;mu=E/(2*(1+sigma));lambda=E*sigma/((1+sigma)*(1-2*sigma));ff_var('gravity',0.05);//Define variable 'gravity' in FreeFemu=defvar(['u1';'u2']);v=defvar(['v1';'v2']);g=defvar(['0';'gravity']);eps_u=(grad(u)+grad(u)')/2;eps_v=(grad(v)+grad(v)')/2;pde_varsol('bb','domain',...2*mu*(eps_u.*.eps_v)+lambda*tr(eps_u)*tr(eps_v)/2-g*v)