md=mesh(model,'../Exp/Square.exp',180000);
md=geography(md,'all','');
md=parameterize(md,'../Par/SquareShelf.par');
md=extrude(md,3,2);
md=setelementstype(md,'pattyn','all');
md.cluster='none';
md=solve(md,'analysis_type',DiagnosticSolutionEnum);
