The double and the loads shown in Figure 3-34 affect the threshold AB Find Backrest reactions B,A A, 3-21 kN, A, = 4 kN R. = 2-19 kN SKN 1kN/m 2kN-m A -1.2-1.2 +1.2-2.4m -2.4m 8
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- Q3/ A patient who suffers from a problem in the knee joint and needs a joint replacement. As a Biomaterials engineer, you have three metal materials, any of these materials in the table 1. you prefer for the replacement process with mentioning the reason. If you know that the joint is exposed to compression resistance resulting from the weight of the person, and the load applied on the joint is 80 kg, with a cross-sectional area of 40 mm Table 1. The materials properties Materials Compressive strength (Mpa) Туре I 17.6 Туре II 30.2 Туре I 6.5Figure 1 shows a system of three bars each made of different materials, and connected together and the temperature is initially kept at 12°C. Thereafter, the temperature of the system was raised to 50°C. Steel Brass Сopper Es = 200 GPa as = 12(10-0)/°C apr = = Epr = 100 GPa 21(10-6)/°C acu = 120 GPa Ecu Ebr %3D %3D 17(10-6)/°C %3D Ast abr Acu = 515 mm² = 450 mm² %3D Ag 200 mm² Apr st 300mm 200 mm 100mm Figure 1: An assembly of three bars 1.1. Determine the thermal stress raising in each bar if the assembly is placed between two rigid walls. 1.2. Determine the force exerted on the right rigid support if an allowance of 0.05 mm is provided between the left end of the steel bar and the left wall.Given that: P+P = 6.0 kip 0.45x10^6 psi L1 = 20.0 in E = L2 = 15.0 in d1 = 1.25 in d2 = 2.0 in Then the reactions at A and C respectively in kps are: A - d1 L1 В L2 d2 RA = 0.9 kip, RC = 11.1 kip RA = 1.96 kip, RC = 10.04 kip O RA = 1.3 kip, RC = 10.7 kip RA = 2.7 kip, RC = 9.3 kip
- Figure 1 shows a system of three bars each made of different materials, and connected together and the temperature is initially kept at 12°C. Thereafter, the temperature of the system was raised to 50°C. Steelbno abm Est = 200 GPa Epr = 100 GPa ag = 12(10-)/°C abr = Brass Сopper Ecu 120 GPa %3D 21(10-6)/°C acu = 17(10-6)/°C %3D %3D Acu = 515 mm? Ast = 200 mm? Abr = 450 mm² - 300 mm- -200 mm 100 mm Figure 1: An assembly of three bars 1.1. Determine the thermal stress raising in each bar if the assembly is placed between two rigid walls. 1.2. Determine the force exerted on the right rigid support if an allowance of 0.05 mm is provided between the left end of the steel bar and the left wall.100 mm 100 mm -300 mm 400 N 250 mm 400 N B D A 150 mm -500 mm- 4) If member ABC supports the shown loads and itached to a wire B0, the tension in wire B0 equs OA 1416 N MacBook Pro 1448 N 55 %24 W 27 ft I 3 Yo 66 k 4f+ 2ft 3ff Find force for all member? (Q₁) доки B 60⁰° 20 lookN U 50 g 80° C 6 3% 200KN E
- H.W 1. Consider a two degree of freedom bar elements as shown in figure. Using finite element method to formulate the equilibrium equation of it. If the cross sectional area is 12 mm and E=200 GN/m². 20KN +30KN 15KN 300 * 600- + 350 All Dimension in mm 2. Consider a two degree of freedom bar element as shown in figure. Using finite element method to formulate the equilibrium equation of it, and then estimate the stress distributions. If Esteel-200 GN/m, Ecopper 110GN/m and EAL= 120 GN/m?. d=3 Steel AL Соpper 20KN - 30KN →15KN 300 * 200 - 400 * 350 All Dimension in mmaugnol tofubbA 80 0.005W/mm S02 Figure 2) OF Figure 1) The femur bone is maintained and inclined 80 degrees with regard to the femur's resting position in the equilibrium state of an adducted femur, as shown in Figure 1. The pin and fixed joints, accordingly, are represented by Points A and B in Figure 2. Q001 W/mm 1-) Considering W on the loads distributed is equal to 637.65N, draw the Free body diagram of figure 2 and calculate the reaction forces at point A as well as point B. Construct the implant's shear and bending moment diagram by hand. Clearly demonstrate your work.The bar of negligible weight is supported by two springs each having a stiffness 180 N/m The springs are originally unstretched, and the force is vertical as shown ( Figure 1) Figure C 30 N Im B 2m Part A Determine the angle the bar makes with the horizontal, when the 30-N force is applied to the bar Express your answer using three significant figures. VAX Submit Request Amer Return to Assignment vec Provide feedback ?
- Question 2 Determine the factor of safety against slope failure by means of the stability number method for the slope shown in the figure below. 25 ft Homogeneous Soil e 500 Ibn 35 Y- 125 IbnWhen stress is applied to a liquid over an application time tp the liquid needs a relaxation time tc to accordingly deform. Relaxation time tc is a physical property of liquids. The Deborah number is De= tdt, . The lower the Deborah number of a stress applied to a material the more.. : Select one: O The material behaves like a solid O The material behaves like visco-elastic O The material behaves like a liquidA AB 45 cm BC 65 cm CD RA - 60.25 N Rp 26.43 N P1 10N P2 -47 N 77 cm 5- A student conducted an experiment to determine the experimental reaction loads for the above shown simply supported beam under transverse loading and compared the loads to the theoretical values. The above table shows his readings,The error for the reaction at point D (Ro) reading is: A. B. C. D. 5.17% 2.27% 4.71% 6.38%