Page 118 - Using ANSYS for Finite Element Analysis A Tutorial for Engineers
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stAtIc AnAlysIs usIng lIne elements   •   105
                          Once the solution is done, the following window will pop up. Click
                      Close and close the /STATUS Command window.













                          Post-processing: viewing the results

                        (a) Hand calculations:
                          We will first calculate the forces and stress in element 1 (as labeled in
                      the problem description).

                             ∑  M ==    210 36 280 72 360 10 8+    F * 108
                                               −
                                                        −
                                     0
                                             .
                                                      .
                                                               .
                                                                        .
                                                            *
                                           *
                                                    *
                                                                    7
                                  1
                                    −210 36 280 72 360 10 8.  +  * .  +  *  .
                                         *
                              ∴F  =                              = 617 kN
                                 7
                                                  .
                                                10 8
                                 ∑  F == −280 210 280 360 617     +  F 1
                                                    −
                                               −
                                                              +
                                                         −
                                        0
                                     y
                                                    +
                                                         −
                                          +
                                               +
                                ∴F 1  = 280 210 280 360 617   = 513 kN
                          Element (1) forces/stress:
                                                 −
                                              513 280
                                         F  =         =  269 kN
                                          E1
                                               cos( 30)
                                            F     269
                                       s  =  E1  =    = 82 8 MPa
                                                          .
                                        E1
                                             A   3250
                        (b) Results using ANSYS:
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