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 [Felt-users] felt, TRUSS From: Andres Lahe - 2002-10-14 08:24:25 ```Hi All, I am solved Truss and got wrong results: Element stresses in element 25 are -99 but with program 0. =the truss================================== problem description title="TRUSS5" nodes=14 elements=25 nodes 1 x=0 y=0 z=0 constraint=pin 2 x=0 y=2 z=0 constraint=free 3 x=2 y=0 z=0 4 x=2 y=2.5 z=0 force=F1 5 x=4 y=0 z=0 6 x=4 y=3 z=0 7 x=6 y=0 z=0 force=F2 8 x=6 y=3 z=0 9 x=8 y=0 z=0 10 x=8 y=3 z=0 11 x=10 y=0 z=0 force=F3 12 x=10 y=2.5 z=0 13 x=12 y=0 z=0 constraint=free 14 x=12 y=2 z=0 constraint=roller truss elements 1 nodes=[1,2] material=steel 2 nodes=[1,3] 3 nodes=[2,3] 4 nodes=[2,4] 5 nodes=[3,5] 6 nodes=[3,4] 7 nodes=[4,5] 8 nodes=[4,6] 9 nodes=[5,7] 10 nodes=[5,6] 11 nodes=[6,7] 12 nodes=[6,8] 13 nodes=[7,8] 14 nodes=[7,9] 15 nodes=[7,10] 16 nodes=[8,10] 17 nodes=[9,10] 18 nodes=[9,11] 19 nodes=[9,12] 20 nodes=[10,12] 21 nodes=[11,12] 22 nodes=[11,13] 23 nodes=[11,14] 24 nodes=[12,14] 25 nodes=[13,14] material=steel material properties steel E=2.1e+09 A=1 constraints free Tx=u Ty=u Tz=c Rx=c Ry=c Rz=u pin Tx=c Ty=c Tz=c Rx=c Ry=c Rz=u roller Tx=u Ty=c Tz=c Rx=c Ry=c Rz=u forces F1 Fy=-54 F2 Fy=-90 F3 Fy=-54 canvas configuration node-numbers=true element-numbers=true snap=false grid=false snap-size=1.2 grid-size=1.2 node-color=Blue element-color=Black label-font="5x8" tool-color=Red tool-font="fg-22" x-min=-0.6 x-max=12.6 y-min=-5.1 y-max=8.1 x-pos=0 y-pos=0 width=502 height=502 scale=38.0303 end ================================================= Thank You. ______________________________________________ Andres Lahe Mehaanikainstituut | Tel.: +0 620 25 54 Tallinna Tehnikaülikool | Fax: +0 620 25 50 Ehitajate tee 5 | E-mail: alahe@... 19086 Tallinn | URL: http://staff.ttu.ee/~alahe/ ______________________________________________ The man who doesn't read good books has no advantage over the man who can't read them. Mark Twain _____________________________________ ```

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