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Diffstat (limited to '3886/CH4/EX4.2/Ex4_2.sce')
| -rw-r--r-- | 3886/CH4/EX4.2/Ex4_2.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3886/CH4/EX4.2/Ex4_2.sce b/3886/CH4/EX4.2/Ex4_2.sce new file mode 100644 index 000000000..519bc8e53 --- /dev/null +++ b/3886/CH4/EX4.2/Ex4_2.sce @@ -0,0 +1,23 @@ +//finding forces in members of truss
+//Refer fig. 4.9
+//Find support reactions
+//applying equilibrium conditions
+//Taking moment about A
+RD=(40*1+60*2+50*3)/4 //kN
+RA=150-RD //kN
+//Consider equilibrium of joint A
+FAB=RA/sind(60) //kN (Compression)
+FAE=FAB*cosd(60) //kN (Tension)
+//Joint D
+FDC=RD/sind(60) //kN (Compression)
+FDE=FDC*cosd(60) //kN (Tension)
+//Joint B (Refer Fig. 4.9 (d)
+FBE=((FAB*sind(60))-40)/sind(60) //kN (Tension)
+FBC=FAB*cosd(60)+FBE*cosd(60) //kN (Compression)
+//Joint C (Refer fig. 4.9 (e))
+FCE=(FDC*sind(60)-50)/sind(60) //kN (Tension)
+//Refer fig. 4.9 (e),(f)
+printf("RD=%.2f kN\nRA=%.2f kN\nFAB=%.2f kN (Compression)\nFAE=%.2f kN (Tension)\nFDC=%.2f kN (Compression)\nFDE=%.2f kN (Tension)\nFBE=%.2f kN (Tension)\nFBC=%.2f kN (Compression)\nFCE=%.2f kN (Tension)",RD,RA,FAB,FAE,FDC,FDE,FBE,FBC,FCE)
+
+
+
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