VM63 (Static Hertz Contact Problem) Input Listing
/COM,ANSYS MEDIA REL. (4/9/01) REF. VERIF. MANUAL: REL.
/VERIFY,VM63
/PREP7
SMRT,OFF
/TITLE, VM63, STATIC HERTZ CONTACT PROBLEM SOLVED USING CONTACT26 ELEMENTS
/COM THE PROBLEM IS SOLVED USING TWO CONTACT ELEMENTS, FIRST USING
/COM CONTACT26 (SURFACE CONTACT) ELEMENTS AND SECOND USING CONTACT178 (NODAL CONTACT)ELEMENTS
/COM THE RESULTS OBTAINED USING THESE TWO CONTACT ELEMENTS PARED AT THE END
/COM REF: TIMOSHENKO AND GOODIER, THEORY OF ELASTICITY, 3RD ED., ART. 140.
ET,1,PLANE82,,,1 ! AXISYMMETRIC ELEMENTS
ET,2,PLANE2,,,1
ET,3,CONTAC26 ! CONTACT SURFACE
R,1 ! DEFAULT STIFFNESS OF 1E9 IS USED
MP,EX,1,1E3
MP,NUXY,1,.3
LOCAL,11,1,0,8,0 ! LOCAL CYLINDRICAL . AT CENTERLINE
K,1,8,-90 ! DEFINE KEYPOINTS
K,2,8
K,3,,-90
K,4,
K,5
K,6,8,- ! PLACE KEYPOINT AND NODE AT EXPECTED CONTACT RADIUS
K,7,,-
L,1,3 ! DEFINE LINES
L,2,4
L,6,7
LESIZE,ALL,,,1 ! DEFINE ELEMENT DIVISIONS ON ALL EXISTING LINES
A,1,6,7,3 ! DEFINE AREAS
A,6,2,4,7
A,3,7,4,5
LOCAL,12,0,0,8,0
ARSYM,Y,1,3,1 ! CREATE HALF-SYMMETRY MODEL
NUMMRG,KPOI
ESIZE,,4 ! DEFINE ELEMENT DIVISIONS ON REMAINING LINES
LESIZE,4,,,5
*REPEAT,2,1
LESIZE,6,,,8,8
LESIZE,7,,,8,(1/8)
LESIZE,10,,,1
*REPEAT,2,2
LESIZE,9,,,6,.2
TYPE,1 ! CREATE NODES AND ELEMENTS
AMESH,1,2,1
AMESH,4,5,1
TYPE,2
AMESH,3,6,3
CSYS,0
N,1001,-1,1
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