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Diffstat (limited to '3588/CH7/EX7.3/EX7_3.sce')
-rw-r--r-- | 3588/CH7/EX7.3/EX7_3.sce | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/3588/CH7/EX7.3/EX7_3.sce b/3588/CH7/EX7.3/EX7_3.sce new file mode 100644 index 000000000..75072b292 --- /dev/null +++ b/3588/CH7/EX7.3/EX7_3.sce @@ -0,0 +1,50 @@ +//Clearing console +clc +clear + +//Intializing Variables +d = 0.5 +L = 4 +kx = 120 +ha = 50 +hw = 100 +Ta = 72 +T(1,1) = 180 +Q(1:4,1) = ((%pi*d^2)/4)*[4000;0;0;0] +A = (%pi*d^2)/(4*144) +Le = 1/12 +P = %pi*d/12 + +//Calculating elemental conductance capcitance matrices +Kc = ((kx*A)/(Le))*[1 -1;-1 1] +Kh = (ha*P*Le/(6))*[2 1;1 2] + +K1 = Kc + Kh + +//Calculating global stiffness matrice +K(1,1:5) = [K1(1,1:2) 0 0 0] +K(2,1:5) = [K1(2,1) K1(2,2)+K1(1,1) K1(1,2) 0 0] +K(3,1:5) = [0 K1(2,1) K1(2,2)+K1(1,1) K1(1,2) 0] +K(4,1:5) = [0 0 K1(2,1) K1(2,2)+K1(1,1) K1(1,2)] +K(5,1:5) = [0 0 0 K1(2,1) K1(2,2)] + +f = (ha*P*Ta*Le/(2))*[1;1] +Fh(2:5,1) = [f(1,1)+f(2,1);f(1,1)+f(2,1);f(1,1)+f(2,1);f(1,1)] +Fg(2:4,1) = Fh(2:4,1) +Fg(5,1) = Fh(5,1)+A*hw*40 +K(5,5) = K(5,5) +A*hw +Fd(2:5,1) = Fg(2:5,1)-K(2:5,1)*T(1,1) + +//Solving for Temperatures +T(2:5,1)=linsolve(K(2:5,2:5),-Fd(2:5,1)) + + +//Sovling for heat at node 5 +Fg(1,1) = K(1,1:5)*T + +//Sovling for heat flux at node 5 +q1 = ((-f(1,1)+ Fg(1,1))/(A)) + +printf('\nResults\n') +printf('\nNode-Temperatures \nT1=%f◦F \nT2=%f◦F \nT3=%f◦F \nT4=%f◦F \nT5=%f◦F',T(1,1),T(2,1),T(3,1),T(4,1),T(5,1)) +printf('\nHeat flow at node-1 \nq1=%fBtu/hr-ft^2',q1) |