From f35ea80659b6a49d1bb2ce1d7d002583f3f40947 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:38:01 +0530 Subject: updated the code --- 278/CH11/EX11.16/ex_11_16.sce | 129 +++++++++++++++++++++--------------------- 1 file changed, 65 insertions(+), 64 deletions(-) (limited to '278/CH11') diff --git a/278/CH11/EX11.16/ex_11_16.sce b/278/CH11/EX11.16/ex_11_16.sce index f3fd72014..1b47e2497 100755 --- a/278/CH11/EX11.16/ex_11_16.sce +++ b/278/CH11/EX11.16/ex_11_16.sce @@ -1,64 +1,65 @@ -//find a.)dia of fixing bolts,b.)dimension of arms -clc -//soltuion -//given -//refer fig 11.39 -W=10000//N -q=60//deg -f1=100//N/mm^2 -t=60//N/mm^2 -Wh=W*sin(%pi/3)//N -printf("the horizontal component is,%f N\n",Wh) -Wv=W*cos(pi/3)//N -printf("the vertical component is,%f N\n",Wv) -Wt1=Wh/4//force on each bolt//N -printf("the direct tensile load on each bolt is,%f N\n",Wt1) -x1=0.05//m//distance of horizontal component from CG -Th=Wh*x1//N-m//torque due to horizntl compnt -Ws=Wv/4//N//shear load on each bolt -printf("shear load on each boltis,%f N\n",Ws) -x2=0.3//m -Tv=Wv*x2//N-m -Tn=Tv-Th//N-m//net moment -printf("net moment is,%f N-m\n",Tn) -L1=(250-175)/2000//m//dis btw 1 and 2 bolt -L3=L1+0.175//m//dis btw 3 and 4 bolt -printf("the value of L3 is,%f m\n",L3) -//let w be load on each bolt -//Te=2*(w*L1)*L1 + 2*(w*L2)*L2=2*w(L1^2 +L2^2)//total moment abt E -//Te=0.093*w//N-m -w=Tn/0.093//N/m -printf("the laod on each per meter distance from E is,%f N/m\n",w) -L2=180//mm -Wt2=w*L3//N -printf("the value of Wt1 is ,%f N\n",Wt1) -printf("the value of Wt2 is,%f N\n",Wt2) -Wt=Wt1+Wt2//N -printf("the value of total force is,%f N\n",Wt) -Wte=0.5*[Wt + sqrt(Wt^2 + 4*Ws^2)]//N -printf("the value of equivalent force is,%f N\n",Wte) -//let dc be core dia -dc=sqrt((4*Wte)/(pi*f1))//mm -printf("the value of core dia is,%f mm\n",dc) -printf("the valuf of core dia from tabl 11.1 instandard condition is 8.18mm\n") -//let t be thickness and b be the width,b=3*t -//A=3*b*t=9*t^2//mm^2 -//I={[b*(2*t +b)^3]/12}-{(b-t)*b^3/12} -//I=321*t^4/12 -//Z=I/(t+0.5*b)=10.7*t^3//mm^3 -//ft1=Wh/A=962/t^2//N/mm^2 -Mh=Wh*0.05//N-m -//ft2=Mh/Z=40.5*10^3/t^3//N/mm^2 -//Ty=Wv/A=556/t^3//N/mm^2 -Mv=Wv*0.3//N-m -//ft3=Mv/Z=140.2*10^3/t^3//N/mm^2 -//Ftnet=ft1-ft2+ft3//N/mm^2 -//Ftnet=(962/t^2)-(40.5*10^3/t^3)+(140.210^3/t^3) -//Ftnet=(962/t^2)+(99.7*10^3/t^3) -Ftnet=100//N/mm^2 -//by hit and trial -//'Ftnet=100=(962/t^2)+(99.7*10^3/t^3) -t=10.4//mm -b=3*t//mm -printf("the thickness is,%f mm\n",t) -printf("the width is,%f mm",b) +//find a.)dia of fixing bolts,b.)dimension of arms +clc +//soltuion +//given +//refer fig 11.39 +pi = %pi; +W=10000//N +q=60//deg +f1=100//N/mm^2 +t=60//N/mm^2 +Wh=W*sin(%pi/3)//N +printf("the horizontal component is,%f N\n",Wh) +Wv=W*cos(pi/3)//N +printf("the vertical component is,%f N\n",Wv) +Wt1=Wh/4//force on each bolt//N +printf("the direct tensile load on each bolt is,%f N\n",Wt1) +x1=0.05//m//distance of horizontal component from CG +Th=Wh*x1//N-m//torque due to horizntl compnt +Ws=Wv/4//N//shear load on each bolt +printf("shear load on each boltis,%f N\n",Ws) +x2=0.3//m +Tv=Wv*x2//N-m +Tn=Tv-Th//N-m//net moment +printf("net moment is,%f N-m\n",Tn) +L1=(250-175)/2000//m//dis btw 1 and 2 bolt +L3=L1+0.175//m//dis btw 3 and 4 bolt +printf("the value of L3 is,%f m\n",L3) +//let w be load on each bolt +//Te=2*(w*L1)*L1 + 2*(w*L2)*L2=2*w(L1^2 +L2^2)//total moment abt E +//Te=0.093*w//N-m +w=Tn/0.093//N/m +printf("the laod on each per meter distance from E is,%f N/m\n",w) +L2=180//mm +Wt2=w*L3//N +printf("the value of Wt1 is ,%f N\n",Wt1) +printf("the value of Wt2 is,%f N\n",Wt2) +Wt=Wt1+Wt2//N +printf("the value of total force is,%f N\n",Wt) +Wte=0.5*[Wt + sqrt(Wt^2 + 4*Ws^2)]//N +printf("the value of equivalent force is,%f N\n",Wte) +//let dc be core dia +dc=sqrt((4*Wte)/(pi*f1))//mm +printf("the value of core dia is,%f mm\n",dc) +printf("the valuf of core dia from tabl 11.1 instandard condition is 8.18mm\n") +//let t be thickness and b be the width,b=3*t +//A=3*b*t=9*t^2//mm^2 +//I={[b*(2*t +b)^3]/12}-{(b-t)*b^3/12} +//I=321*t^4/12 +//Z=I/(t+0.5*b)=10.7*t^3//mm^3 +//ft1=Wh/A=962/t^2//N/mm^2 +Mh=Wh*0.05//N-m +//ft2=Mh/Z=40.5*10^3/t^3//N/mm^2 +//Ty=Wv/A=556/t^3//N/mm^2 +Mv=Wv*0.3//N-m +//ft3=Mv/Z=140.2*10^3/t^3//N/mm^2 +//Ftnet=ft1-ft2+ft3//N/mm^2 +//Ftnet=(962/t^2)-(40.5*10^3/t^3)+(140.210^3/t^3) +//Ftnet=(962/t^2)+(99.7*10^3/t^3) +Ftnet=100//N/mm^2 +//by hit and trial +//'Ftnet=100=(962/t^2)+(99.7*10^3/t^3) +t=10.4//mm +b=3*t//mm +printf("the thickness is,%f mm\n",t) +printf("the width is,%f mm",b) \ No newline at end of file -- cgit