% Number of nodes and DOFs (1 DOF per node for axial) n_nodes = length(nodes); n_dof = n_nodes;
% --- Apply Boundary Conditions (Penalty Method) --- penalty = 1e12 * max(max(K)); for i = 1:length(fixed_global) dof = fixed_global(i); K(dof, dof) = K(dof, dof) + penalty; F(dof) = penalty * 0; end
% Geometry: nodes and elements nodes = [0; 0.5; 1.0]; % Nodal coordinates (m) elements = [1 2; 2 3]; % Element connectivity
For Finite Element Analysis M Files | Matlab Codes
% Number of nodes and DOFs (1 DOF per node for axial) n_nodes = length(nodes); n_dof = n_nodes;
% --- Apply Boundary Conditions (Penalty Method) --- penalty = 1e12 * max(max(K)); for i = 1:length(fixed_global) dof = fixed_global(i); K(dof, dof) = K(dof, dof) + penalty; F(dof) = penalty * 0; end matlab codes for finite element analysis m files
% Geometry: nodes and elements nodes = [0; 0.5; 1.0]; % Nodal coordinates (m) elements = [1 2; 2 3]; % Element connectivity % Number of nodes and DOFs (1 DOF