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Diffstat (limited to '3776/CH2/EX2.4/Ex2_4.sce')
| -rw-r--r-- | 3776/CH2/EX2.4/Ex2_4.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3776/CH2/EX2.4/Ex2_4.sce b/3776/CH2/EX2.4/Ex2_4.sce new file mode 100644 index 000000000..76ea23bb6 --- /dev/null +++ b/3776/CH2/EX2.4/Ex2_4.sce @@ -0,0 +1,21 @@ +clear +p_app = 3 //kips - applied force +P_A = 2.23 //kips +p_B = -2.83 //kips - compressive force +l_ab = 6.71 //inch +l_bc = 8.29 //inch +s_ab = 17.8 //ksi - tensile stress +s_bc = -12.9 //ksi - compressive stress +E = 10.6 * (10**3) //ksi -youngs modulus +e_ab = s_ab*l_ab/E //elongation + +e_bc = s_bc*l_bc/E //contraction +x = -e_bc/e_ab //the Ratio of cosines of the deflected angles +// t_1 and t_2 be deflected angles +//t_2 = 180-45-26.6-t_1 the sum of angles is 360 +//applying cos on both sides +t_1=atand(1.29) + +e = e_ab/cosd((t_1)) //inch +k = p_app/e // kips/in vertical stiffness of the combination +printf("\n The vertical stiffness of the combination is %0.3f kips/inch",k) //answer in textbook is 167 |