PRIMJER     (rešetka)

 

promjeniti mjerne jedinice [kNm]                LINK

 

NEW MODEL          LINK à         novi model

 

            GRID             LINK à         definiramo raster pogodan zadatku

                                                                                              broj osnih linija                  à   5×1×2

razmaci osnih linija           à   1×1×2

 

DEFINE à FRAME SECTIONS   LINK à         def. P.P   Add Pipe

                                                                                                                                            

                                                                                              Section Name                      à   proizvoljno

Materijal                              à   Steel

Dimensions                          à   proizvoljno

 

DRAW à FRAME              LINK à        nacrtamo rešetku kao na slici gore sa def. presjekom'

 

ASSIGN à JOINT à RESTRAINS         LINK à definiramo Rubne Uvjete

Restraints                             à   prosta greda

 

 

ASSIGN à FRAME... à RELEASES      LINK à        def. zglobove na rešetki 

                                                                       ispuna             à        štapovi – oslobađamo M33

                                                                        pojasevi         à        ostaju kontinuirani

 

          

  Varijanta II à            štapove zadati kao Pinned

 

 

 

DEFINE à LOAD CASES             LINK à         definiramo bilo koje opt.

                                                                                              opterećenje          à   npr.pokretno / LIVE

 

ASSIGN à JOINT à FORCES    LINK à def. točkasto opterećenje

                                                                       u točkama gornjeg pojasa                à           3 kN ( -Z smjer)

                                                                                              u 1 točki gornjeg pojasa   à           1 kN ( X smjer)

                                                                                 

 

ANALYSE à RUN ANALYSE à RUN NOW                LINK à  proračun                                                                          

DISPLAY à SHOW FORCES/STRESSES à JOINTS LINK à prikaz reakcija

 DISPLAY à SHOW FORCES / STRESSESà FRAMES   LINK à prikaz U.S.                                                                                                

UNLOCK

 

ASSIGN à FRAME... à RELEASES      LINK à        def. zglobove na rešetki 

                                                           ispuna             à        štapovi pojasa – oslobađamo M33

 

 

 

 

Dodatno:

 

SET RESHAPE MODE       LINK à         promijenimo koordinatu čvora štapa ispune

 

ASSIGN JOINT à SPRINGS        LINK à umjesto kliznog ležaja zadajemo oprugu (po volji)