diff options
Diffstat (limited to '3862/CH3/EX3.8/Ex3_8.sce')
-rw-r--r-- | 3862/CH3/EX3.8/Ex3_8.sce | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/3862/CH3/EX3.8/Ex3_8.sce b/3862/CH3/EX3.8/Ex3_8.sce new file mode 100644 index 000000000..acf2e8f75 --- /dev/null +++ b/3862/CH3/EX3.8/Ex3_8.sce @@ -0,0 +1,40 @@ +clear +// + +//Each load is 10 kN and all triangles are equilateral with sides 4 m. + +//variable declaration + +PB=10.0 +PD=PB +PF=PD +AB=4.0 +BC=AB +AC=BC +BD=BC +CD=BC +DE=CD +CE=CD +DF=DE +EF=DE +EG=DE +FG=EF +//Take section (A)–(A), which cuts the members FH, GH and GI and separates the truss into two parts. +AG=AC+CE+EG +BG=CE+EG+AC/2 +DG=EG+CE/2 +FG1=EG/2 +RA=PB*7/2 +RO=RA +theta=60.0*%pi/180 +//moment at point G +FFH=(RA*AG-PB*BG-PD*DG-PF*FG1)/(FG*sin(theta)) +printf("\n FFH= %0.4f KN (Comp.)",FFH) + +//sum of all vertical forces & sum of all horizotal forces is zero + +FGH=(RA-PB-PD-PF)/(sin(theta)) +printf("\n FGH= %0.4f KN (Comp.)",FGH) + +FGI=FFH+FGH*cos(theta) +printf("\n FGI= %0.4f KN (Tensile)",FGI) |