[1] Pian,T.H.H.,Derivation of element stiffness matrices by assumed stress distributions,AIAA J.,2(1964),1333-1336.
[2] Pian,T.H.H.,Element stiffness-matrices for boundary compatibility and for prescribed boundary stresses,Proc.Conf.Matrix Methods in Structural Mechanics(1965).
[3] Zienkiewicz,O.C.,et al.,Reduced integration technique in general analysis of plates and shells,Int.J.Num.Eng.,3(1971),274-290.
[4] Belytschko,T.,et al.,A Consistant control of spurious singular models in the 9-node Lagrange element for the Laplace and Mindlin plate equations,Comp.Meth.Appl.Mech Eng.,44(1984),269-295.
[5] Belyschko,T.,et al.,Hourglass control in linear and nonlinear problems,Comp.Meth.Appl.Mech.Eng.,43(1984),251-276.
[6] Spilker,R.L.,et al.,The hybrid stress model for thin plates,Int.J.Num.Meth.Eng.,15(1980)1239-1260.
[7] Spilker,R.L.,et al.,A serendipity cubic displacement hybrid stress element for thin and moderately thick plates,Int.J.Num.Meth.Eng.,15(1980),1261-1278.
[8] Lee,S.W.and T.H.H.Pian,Improvement of plate and shell finite element by mixed formulations,AIAA J.,16(1978),29-34.
[9] Malkus,D.S.,et al.Mixed finite element methods-reduced and selective integration techniques:a unification,Comp.Meth.Appl.Mech.Eng.,15(1978),63-81.
[10] Simodaira,H.,Equivalence between mixed models and displacement models using reduced integration,Int.J.Num.Meth.Eng.,21(1985),89-104.
[11] Lee,S.W.,et al.,Experience with finite element modelling of thin plate bending,Computers and Structures,19(1984),747-755.
[12] Lee,S.W.,and J.C.Zhang,A six-node finite element for plate bending,Int.J.Nume.Meth.Eng.,21(1985),131-143.
[13] Lee,S.W.and S.C.Wang,Mixed formulation finite elements for Mindlin theory plate bending,Int.J.Num.Meth.Eng.,18(1982),1297-1311.
[14] Pian,T.H.H.and D.P.Chen,Alternative ways for formulation of hybrid stress element,Int.J.Num.Meth.Eng.,18(1983),1679-1684.
[15] Pian,T.H.H.,et al.,A new formulation of hybrid/mixed finite elements,Computers and Structures,16(1983),81-87.
[16] Chen,D.P.and Y.L.Pei,FECAL-TR-87020-CH-PYL,Southwestern Jiaotong University(1987).(in Chinese).
[17] Prathap,G.,et al.,An optimally integrated 4-node quadrilateral plate bending element,Int.J.Num.Meth.Eng.,19(1983),831-840.
[18] Prathap,G.,A continuous four-noded cylindical shell element,Computers and Structures,21(1985).995-999.
[19] Bogner,F.K.,et al.,A cylindrical shell discrete elements,AIAA J.,5(1967)745-750. |