function L = elemLength(Elem,U)
    % Element nodes
    Node1 = Elem.n1;
    Node2 = Elem.n2;

    % Nodal displacements
    dx1 = U(Node1.dof(1));
    dy1 = U(Node1.dof(2));
    dx2 = U(Node2.dof(1));
    dy2 = U(Node2.dof(2));

    % New nodal coordinates
    x1 = Node1.x + dx1;
    y1 = Node1.y + dy1;
    x2 = Node2.x + dx2;
    y2 = Node2.y + dy2;

    % Element length
    L = norm([x2-x1, y2-y1]);
end