Page 710 - 02. Subyek Computer Aided Design - Beginner’s Guide to SOLIDWORKS 2019- Level 1 by Alejandro Reyes
P. 710

Analysis:  SimulationXpress









                                                      The different values for Factor of Safety (FOS) mean:







                                                                     Value                                                                                               Meaning




                                                                                                   The  stress  at  this  location  in  the  part  is  less  than  the  yield



                                                            > 1                                    strength  and  is  therefore  safe.  Depending  on  the  specific

                                                                                                   application, we may have to design with a higher FOS to ensure



                                                                                                   our design is safe and have room for unexpected loads.




                                                                                                   The stress at this location in the part is exactly the yield strength.




                                                            = 1                                    This part has started or is about to yield (deform plastically) and

                                                                                                   will  most likely fail  if the forces acting on the model are slightly


                                                                                                   more than the forces used in the analysis.




                                                                                                   The  stress  at this  location  in  the  part  has  exceeded  the  yield


                                                                                                   strength  of the  material  and  the  component  will  fail  with  the
                                                            < 1

                                                                                                   analysis  parameters  used,  either  deforming  plastically  or


                                                                                                   breakin  .







                                                      34.15.  - To see how safe our design is,  type "2" in  the Factor of Safety box and


                                                      click "Show where factor of safety (FOS) is below." Areas under the specified factor


                                                      of safety (unsafe) are shown in  red, and the areas over the factor of safety (safe)


                                                      are shown blue. Essentially, if our design requires us to have a minimum factor of



                                                      safety of 2 (able to carry twice the design load), areas colored in  red would fail.





                                                                                                                                                                                     I    r  .

                                                                                                                                                                             ~                                                                           ~
                                                                                                                                                                                           1  FIXtures

                                                                                                                                                                                           2  loads                                                      ~
                                                                                                                                                                             [jjjJ         3  Material                                                   ~


                                                                                                                                                                                           4  Run                                                        ~
                                                                                                                                                                            El             5  Results                                                    ~



                                                                                                                                                                                          I       •
                                                                                                                                                                             ~~~


                                                                                                                                                                                          Results
                                                                                                                                                                             ~


                                                                                                                                                                                          ~ Show von Mises stress
                                                                                                                                                                             [§



                                                                                                                                                                                          ~ Show displacement
                                                                                                                                                                              I;Q




                                                                                                                                                                              ~            ~ Show where factor of safety J
                                                                                                                                                                                                                                           2
                                                                                                                                                                                                  (FOS) is below:





                                                                                                                                                                               l       I"" Based on the specified parameters, the lowest
                                                                                                                                                                                /
                                                                                                                                                                                          factor of safety(FOS) found in your design is  t
                                                                                                                                                                                 ~  1.01221




                                                                                                                                                                                          Use these controls to view the animation.




                                                                                                                                                                                          ~ Play animation



                                                                                                                                                                                          lj Stop animation





                                                                                                                                                                                          ~ Done viewing results






                                                                                                                                                                                          ~ Back                                         ~ Start Over












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