diff options
Diffstat (limited to '3776/CH2/EX2.4/Ex2_4.sce')
| -rw-r--r-- | 3776/CH2/EX2.4/Ex2_4.sce | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/3776/CH2/EX2.4/Ex2_4.sce b/3776/CH2/EX2.4/Ex2_4.sce index 76ea23bb6..2a8f3fa43 100644 --- a/3776/CH2/EX2.4/Ex2_4.sce +++ b/3776/CH2/EX2.4/Ex2_4.sce @@ -1,21 +1,23 @@ clear -p_app = 3 //kips - applied force -P_A = 2.23 //kips +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 = 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 +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 +e_t = e*cosd(11.2) +k = p_app/e_t // 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 +// answer varies due to rounding off errors |