Finite Element Modeling with ANSYS - ETH

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Modeling with ANSYS – Boundary Conditions (3)Simple line loadModeling the cylinder and the contactnsel,s,loc,x,l/2-1,l/2+1nsel,r,loc,y,h-1,h+1cm,mid,nodecp,next,all,mid*get,nodes_num,node,0,countF,all,Fy,-10000/nodes_numSelect nodes and createcomponent „mid“Create rigid element betweenthe nodes (Couple DOF)Apply a force on each node! Target element type: rigid cylinderET,11,Targe170! Contact element type: deformable elementsET,12,Conta174! Setting contact optionsKEYOPT,12,4,2KEYOPT,12,5,1KEYOPT,12,9,1KEYOPT,12,10,2KEYOPT,12,11,1KEYOPT,12,12,0KEYOPT,12,2,0KEYOPT,11,1,0KEYOPT,11,2,1KEYOPT,11,3,0KEYOPT,11,5,0! Real Constantradius = 15R,20,radius,radius,1.0,0.1,0, !Real ConstantsReal,20RMORE,,,1.0E20,0.0,1.0,RMORE,0.0,0,1.0,,1.0,0.5RMORE,0,1.0,1.0,0.0,,1.0! Contact material, friction coefficientMP,MU,13,0.01Mat,13! Mesh deformable contact elementsasel,s,area,,4nslalsel,s,line,,3,7,4nsll,ansel,r,loc,x,l/2-15,l/2+15Real,20Type,12Esurf! Create rigid target elementN,100000,l/2,h+radius+.1,-b/2N,100001,l/2,h+radius+.1,1.5*bN,100002,l/2,h+radius+.1,b/2Real,20Type,11TSHAP,CYLIE,100000,100001TSHAP,PILOE,100002! Reverse normal vectorESEL,S,TYPE,,12ESEL,R,REAL,,20ESURF,,REVERSE!Loadsnsel,s,node,,100002f,all,fy,-10000www.structures.ethz.chCENTRE OF STRUCTURE TECHNOLOGIESFull Name01.03.2011, page 12
Modeling with ANSYS – Boundary Conditions (3)Simple line loadModeling the cylinder and the contactCPU Time8.3 sCPU Time45.4 s„Rigid element“ Displ-1.01 mm„Cylinder“ Displ-1.07 mmMax Von Mises stress150.1 MPaMax Von Mises stress141.3 MPawww.structures.ethz.chCENTRE OF STRUCTURE TECHNOLOGIESFull Name01.03.2011, page 13
Page 1 and 2: Finite Element Modeling with ANSYSS
Page 3 and 4: What is the Finite Element Method?
Page 5 and 6: Modeling with ANSYS• The modeling
Page 7 and 8: Modeling with ANSYS - Geometry and
Page 9 and 10: Modeling with ANSYS - Mesh definiti
Page 11: Modeling with ANSYS - Boundary Cond
Page 15: Thank you foryour attention.www.str

Finite Element Modeling with ANSYS - ETH

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