Abaqus

ABAQUS Tutorial

by Shi-Yu Xu Shi-

Creating the Mesh
*NODE, NSET=WholeModel NODE, NSET=WholeModel 30 **10, 0.0, 0.00, 0.0 28 20, 0.0, 0.00, 0.0 28 30, 0.0,3.048, 0.0 26 ** node#,X,Y,Z 26 *NGEN, NSET=BENT_COL NGEN, NSET=BENT_COL 24 20, 30, 2 24 st node#, 2nd node#, increment in the # ** 1 22 *NSET, NSET=Enforced_node , 22 Y 20 30 20 *ELEMENT,TYPE=B31 ELEMENT,TYPE=B31 20, 20, 22 , , Z ** ele #, 1st node, 2nd node *ELGEN, ELSET=BENTCOL_M_phi ELGEN, ELSET=BENTCOL_M_phi , , , 20,5, 2, 2 ** Master ele #, # of eles to be defined, Increment in node #, Increment in ele #

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http://abaqus.civil.uwa.edu.au:2080/v6.7/

Defining the Nonlinear Beam-Column Element BeamSet SECTION=GENERAL (default) for linear beam; Set SECTION=NONLINEAR GENERAL for NL beam. *BEAM GENERAL SECTION, DENSITY=2405.0, SECTION=NONLINEAR SECTION, n1 GENERAL, ELSET=BENTCOL_M_phi GENERAL, ELSET=BENTCOL_M_phi A T T h 1.1678, 0.1085, 0.0, 0.1085, 0.2169 A, I11, I12, I22, J 0.0, 0.0, -1.0 Direction cosines of t1 axis t1 *AXIAL, LINEAR AXIAL, 2.899E10, Axial stiffness t2 *M1 Y 0.0000E+00, 0.0000E-00 0.0000EM 2.7937E+05, 2 7937E+05 8.2008E 8 2008E-05 8.2008EX 5.5857E+05, 1.6406E-04 1.6406EZ …… *M2 φ …… *TORQUE, LINEAR TORQUE, 2.244E9, Torsion stiffness *TRANSVERSE SHEAR STIFFNESS 1.075E10, 1.075E10 Shear stiffness K23, K13

Spring and Dashpot Elements
28 *ELEMENT, TYPE=SPRING2, ELSET=S2 ELEMENT, TYPE=SPRING2, 201, 10, 20 *SPRING, ELSET=S2 SPRING, ELSET S2 2, 2 1.E14, 230 *ELEMENT, TYPE=DASHPOT2, ELSET=C1 ELEMENT, TYPE=DASHPOT2, 300, 10, 20 301, 110 301 110, 120 302, 210, 220 303, 310, 320 *DASHPOT, ELSET=C1 DASHPOT, 1, 1 1.5589E7, 228 228 226 226 224 224 222 222 220 220 210 26

30 28 130 26 24 24 22 22 20 20 10

128 128 126 126 124 124 122 122 120 120 110

UserUser-Defined Element (UEL)
*USER ELEMENT, NODES=2, TYPE=U1, PROPERTIES=3, I PROPERTIES=1, ELEMENT, TYPE=U1, PROPERTIES=3, PROPERTIES=1, COORDINATES=3, VARIABLES=14 1,2,3 *ELEMENT, TYPE=U1, ELSET=NLSPRING ELEMENT, k2 QD 102, 1, 2