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FEM begining

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					                                       . 1D
e

             .




    D

                                                     (bar)–
        ).

                 .




                 I,j –        ui,uj-
                                        fi , f j –
                     L-
                          -




                      1
(Stiffness Matrix)
                                      -




                                  ,
                     L,
                              .




                          2
        *

(1) -               -2           –




    –
                .




                             -




            *




                         3
                            U=F




*


    -

                          u1      u3

                                   -


                u1=0 ; u3=0 –




        *




            4

				
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posted:8/22/2010
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Diyan Dimitrov Diyan Dimitrov http://
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