Averaging operators Last update: 31.07.2026 elemental difference elemental difference fc elemental fraction fc elemental mean elemental mean fc elemental nodal to nodal elemental nodal to nodal elemental elemental nodal to nodal elemental fc elemental nodal to nodal fc elemental to elemental nodal elemental to elemental nodal fc elemental to nodal elemental to nodal fc extend to mid nodes extend to mid nodes fc force summation force summation psd gauss to node fc nodal difference nodal difference fc nodal fraction fc nodal to elemental nodal to elemental fc nodal to elemental nodal nodal to elemental nodal fc to elemental fc to elemental nodal fc to nodal to nodal fc