! www.onlinefea.com ANSYS Tutorials ! 1D Beam Analysis ! Adapted from Mac Donald, Practical Stress Analysis with Finite Elements (2nd Edition), Glasnevin, 2011, page 112-114) ! /COM, /COM,Preferences for GUI filtering have been set to display: /COM, Structural !* FINISH /CLEAR,START /PREP7 ! ! Define Element Type - 3D Beam ! Werte ForceV = 40000 h = 0.0832358 Aflaeche = h*h laenge = 2 Em = 200e9 nu = 0.3 ! Berechnungen I = h**4/12 gSchub = (1/(2*(1+nu)))*Em uBernoulli = ForceV*(laenge**3)/(3*Em*I) sz = (12 + 11*nu)/(10*(1+nu)) ks = 1/sz uTimo = ForceV*laenge**3/(3*Em*I) + ForceV*laenge/(ks*Aflaeche*gSchub) ! et,1,beam188 ! ! Define section properties for the beam cross section ! sectype,1,beam,rect, ! Using a rectangular beam secdata,h,h ! set B and H = 0.0832358 m ! ! Define material model ! mp,ex,1,Em mp,prxy,1,nu ! ! Define nodes and their coordinates ! N,1,0, ! Node 1 has x coordinate = 0 N,2,laenge/2, ! Node 2 has x coordinate = 1 N,3,laenge, ! Node 3 has x coordinate = 2 ! ! Define Elements ! E,1,2 ! Element 1 joins nodes 1 and 2 E,2,3 ! Element 2 joins nodes 2 and 3 ! ! Supress the UX, UZ, ROTX and ROTY degrees of freedom for all nodes ! D,all,,0,,,,UZ,ROTX,ROTY, ! ! Constrain node 1 in all DOF D,1,,0,,,,ALL, ! ! Load Case 1 F,2,FY,ForceV ! ! Save the model and sovle SAVE /sol SOLVE FINISH ! ! Post Processing ! /POST1 ! ! Plot the deformed Shape ! PLDISP,0 ! ! Knotenauslenkung Numerisch *get,uNum,node,3,U,y