| Title | Analysis of Plane Stress/Strain Problem using an Improved Enhanced Assumed Strain(EAS) Nine-Node Membrane Element | 
					
	| Keywords | 9절점 막 요소 ; 평면 응력 ; 평면 변형률 ; 추가 변형률 ; 비등방성 ; 가상의 잠김 ; 면내 잠김 ; nine-node membrane element ; plane stress ; plane strain ; enhanced assumed strain ; EAS ; anisotropic ; spurious locking ; membrane locking |