initial commit / add all books

1 files changed, 46 insertions, 0 deletions

diff --git a/3588/CH7/EX7.9/EX7_9.sce b/3588/CH7/EX7.9/EX7_9.sce
new file mode 100644
index 000000000..8ce7692bb
--- /dev/null
+++ b/3588/CH7/EX7.9/EX7_9.sce
@@ -0,0 +1,46 @@
+//Clearing console
+clc
+clear
+
+//Intializing Variables
+d = 0.02
+L = 0.1
+k = 0.156
+c = 0.523
+h = 300
+m = 0.2*60
+Ta = 15
+T(1,1) = 50
+
+//Calculating elemental conductance capcitance  matrices
+Kc = ((k*%pi*(d)^2)/(L))*[1 -1;-1 1]
+Kh = (h*%pi*d*L/24)*[2 1;1 2]
+Km = (m*c/2)*[-1 1;-1 1]
+
+//Calculating elemental stiffness matrice
+K1 = Kc+Kh+Km
+
+//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 = (h*%pi*d*Ta*L/8)*[1;1]
+F(2:5,1) = [f(1,1)+f(2,1);f(1,1)+f(2,1);f(1,1)+f(2,1);f(1,1)]
+
+Fd(2:5,1) = F(2:5,1)-K(2:5,1)*T(1,1)
+
+//Solving for Nodal temperatures
+T(2:5,1)=linsolve(K(2:5,2:5),-Fd(2:5,1))
+
+//Calculating qs
+qm1 = m*c*T(1,1)*10
+qm5 = m*c*T(5,1)*10
+
+printf('\nResults\n')
+printf('\nNode-Temperatures \nT1=%fK \nT2=%fK \nT3=%fK \nT4=%fK \nT5=%fK',T(1,1),T(2,1),T(3,1),T(4,1),T(5,1))
+printf('\nHeat rate at node-1 \nq1=%fW',qm1)
+printf('\nHeat rate at node-5 \nq5=%fW',qm5)