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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1898/CH4/EX4.15/Ex4_15.sce | |
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Diffstat (limited to '1898/CH4/EX4.15/Ex4_15.sce')
| -rwxr-xr-x | 1898/CH4/EX4.15/Ex4_15.sce | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/1898/CH4/EX4.15/Ex4_15.sce b/1898/CH4/EX4.15/Ex4_15.sce new file mode 100755 index 000000000..3121f5351 --- /dev/null +++ b/1898/CH4/EX4.15/Ex4_15.sce @@ -0,0 +1,55 @@ +clear all; clc;
+
+disp("Scilab Code Ex 4.15 : ")
+
+//Given
+weight = 15; //kN
+l_ab = 5; //m
+l_ac= 5.0075; //m
+area = 30; //mm^2
+
+//calculations:
+strain_ab = (l_ac-l_ab)/l_ab;
+max_strain = 0.0017;
+
+stress_ab = (350*strain_ab)/max_strain;
+F_ab = stress_ab*area; // F= stress*area
+E_st = 350/max_strain; //Modulus ofelasticity
+
+del1 = l_ab/(area*10^-6*E_st*10^3); //del = PL/AE
+del2 = l_ac/(area*10^-6*E_st*10^3); //del = PL/AE
+
+//Eqn1 = T_ab + T_ac = weight
+//Eqn2 = del1*T_ab - del2*T_ac = (l_ac-l_ab)
+
+//Solving using matrices:
+A = [1 1;del1 -del2];
+b = [weight; (l_ac-l_ab)];
+T = A\b;
+
+T_ab = T(1);
+T_ac = T(2);
+
+stress_in_ab = (T_ab*10^3)/area;
+
+if(stress_in_ab>350)
+ T_ab = (350*area)/1000;
+end
+
+T_ac = 15-T_ab;
+stress = (T_ac*10^3)/area;
+strain_ac = (stress*max_strain)/350;
+
+elong_ac = strain_ac*l_ac; //m
+elong_ab = (l_ac-l_ab)+elong_ac; //m
+
+
+
+//Display:
+
+printf('\n\nThe force experienced by wire AB = %1.1f kN',T_ab);
+printf('\nThe force experienced by wire AC = %1.1f kN',T_ac);
+printf('\nThe elongation in wire AB = %1.5f m',elong_ab);
+printf('\nThe elongation in wire AC = %1.5f m',elong_ac);
+
+//---------------------------------------------------------------------------END------------------------------------------------------------------------
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