Page 52 - Singiresu S. Rao-Mechanical Vibrations in SI Units, Global Edition-Pearson (2017)
P. 52

1.6  Vibration analysis proCedure   49


                                                                       Tup


                                                                           Frame




                                                                         Anvil
                                                                             Elastic pad
                                                                                  Foundation block


                                                                                   Soil
                                                               (a)

                                                                      Tup



                                                         Anvil and
                                                         foundation block
                                                                             x 1
                                           Soil damping                   Soil stiffness


                                                               (b)
                                                                       Tup





                                                              Anvil
                                                                          x 1
                                    Damping of elastic pad               Stiffness of elastic pad


                                                         Foundation block
                                                                            x 2
                                       Damping of soil                     Stiffness of soil


                                                               (c)

                                    FiGure 1.16  Modeling of a forging hammer.
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