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PostPosted: Wed Nov 30, 2016 2:54 pm 
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Joined: Tue Aug 30, 2016 9:28 am
Posts: 3
I have modeled a bridge in SSD. I want to apply pedestrian load.
here is the coding..

+PROG DYNA urs:20.1 $ Text Interface for Loads
HEAD Walking with individual stepwise load functions
GRP 0 ; CTRL MCON 2
ECHO load
LET#DX 0.80 $ PACING WIDTH = DISTANCE OF NODES
LET#F1 2.10 $ PACING RATE in HERTZ
LET#V #DX*#F1 $ SPEED
LET#DT 0.05 $ TIMESTEP
LET#N DIV(55/#v/#dt)
$STEP #n #dt
LOOP#1 69 $ loop over all nodes
LC 60+#1 ; LOAD 1+#1 PY 1.0
STEP #n #dt
LET#T #dx*(#1+1)/#v $ PHASE OF CONTACT
FUNC #T 0.0 $ TIME FUNCTION SIMILAR BACHMANN Fig.2.4
#T+0.1 1.05 $ SLIGHTLY OVERLAPPING
#T+0.2 0.95
#T+0.4 1.10
#T+0.5 0.0
ENDLOOP
HIST U-Y 2 69 LCST 90
END

+++++ error no. 2060 in program DYLAR ; input line: 14
Node 1 for loading not defined..

please help me out.. I am stuck at it for a long time..
thanks in advance....


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