= Consider 1D transient conduction in a bar with c² = 1. Let the left end be subjected to a temperature To 10, and the right end be held at temperature T 0. The bar is initially at a constant temperature T(x, 0) = T. = Compute the solution u(x, t) using the Fourier series solution for finite bars found earlier in the semester (see HW 5, Problem 4 for an example). Compare the solution with the semi-infinite solution. Use 100 terms in the partial sums of the Fourier series. Compare the solutions for various lengths of the rod: (a) L = 10 (b) L= 100 (c) L = 500
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- A bar of length 1 m is insulated along its sides. It is initially at a uniform temperature of 15°C and a t=0 the ends are plunged into ice and maintained at a temperature of 0°C. 1. State all Initial and boundary conditions 2. Determine an expression for the temperature distribution at a point P a distance x from one end at any subsequent time t seconds after t-0, 3. write all the Eigen values and Eigen function possible 1 ди %3D dx? c2 atThe oven shown in the figure has a heating element with appreciable capacitance C. The other capacitance is that of the oven air C. The corresponding temperatures are T and T, and the outside temperature is To The thermal resistance of the heater-air interface is R; that of the oven wall is R. Identify a model for T1 and T2, with input q;, the heat flow rate delivered to the heater mass. Oven air T2 C2 T. R| T C 19i R2 Heating element a. Develop the dynamic equations for this system. (submit in Connect) b. Develop the state variable Matrix form of the model in terms of the system parameter variables (not numerical values). c. Using the numerical values for the system parameters provided, use MATLAB to calculate the transfer functions 1 and 2 T and describe the expected behavior based on both of these transfer functions. d. Plot the dynamic behavior of the actual temperature of the oven chamber if the heating element is turned on with a constant heat rate of qj. Assume that the entire…What's the answer
- Eng MathK:38)1. A spring mass system serving as a shock absorber under a car's suspension, supports the M=1000kgmass of the car. For this shock absorber,k=1000N/m and c=2000N s/m. The car drives over a corrugated road with force F=2000sin(wt)N. Use your notes to model the second order differential equation suited to thisapplication. Simplify the equation with the coefficient of x'' as one. Solve x (the general solution) interms of using the complimentary and particular solution method. In determining the coefficients ofyour particular solution, it will be required that you assume w2 -1=w or . Do not 1-w2=-wuse Matlab as its solution will not be identifiable in the solution entry. Do not determine the value of w.You must indicate in your solution:1. The simplified differential equation in terms of the displacement x you will be solving2. The m equation and complimentary solution3. The choice for the particular solution and the actual particular solution xp4. Express the solution x as a piecewise…
- (3) For the given boundary value problem, the exact solution is given as = 3x - 7y. (a) Based on the exact solution, find the values on all sides, (b) discretize the domain into 16 elements and 15 evenly spaced nodes. Run poisson.m and check if the finite element approximation and exact solution matches, (c) plot the D values from step (b) using topo.m. y Side 3 Side 1 8.0 (4) The temperature distribution in a flat slab needs to be studied under the conditions shown i the table. The ? in table indicates insulated boundary and Q is the distributed heat source. I all cases assume the upper and lower boundaries are insulated. Assume that the units of length energy, and temperature for the values shown are consistent with a unit value for the coefficier of thermal conductivity. Boundary Temperatures 6 Case A C D. D. 00 LEGION Side 4 z episThermocouples are devices used to measure temperature of a given sample or the surroundingmedium. These devices feature a “bead”, which has a spherical shape, and produces voltage upon changein temperature. For an engineering application at a pharmaceutical company, thermocouple devices arebeing tested for their responsiveness, i.e. how fast it can detect temperature changes in the environment(surrounding air). The engineers at this company have specified design constraints for an idealthermocouple: it must detect temperature changes no later than 1.5 minute, and the reportedtemperature value must be reasonably correct: at most %3 difference between measured and actualtemperature values is allowed.Four thermocouples from different vendors are being tested. Relevant properties of these devices arelisted below: The experiment involves placing the thermocouple from air at 20 °C to air at 150 °C, and monitoring thetime it takes for the measured values to reach 150 °C, which is the…Q1: A bar of length 1 m is insulated along its sides. It is initially at a uniform temperature of 15° C and a t=0 the ends are plunged into ice and maintained at a temperature of 0°C. 1. State all Initial and boundary conditions 2. Determine an expression for the temperature distribution at a point Pa distance x from one end at any subsequent time t seconds after t=0, 3. write all the Eigen values and Eigen function possible a?u 1 ди c2' at
- 3:17 AM ← Jonathan Wickert, Kemper Lewis - An Introduction to Mechanical Engineering-Cengage L... Figure P8.3 Problem P8.3 The disk in a computer hard drive spins at 7200 rpm (Figure P8.3). At the radius of 30 mm, a stream of data is magnetically written on the disk, and the spacing between data bits is 25 µm. Determine the number of bits per second that pass by the read/write head. 30 mm 7200 rpm BA um 4G+ 49%The term dT/dx Where T is temperature and x is length, in Fourier law conduction, is called Temperature GradientRequired to answer. Single choice. OPTIONS: 1.May be 2.May not be 3.True 4.FalseSuppose that the stiffness matrices of the above question (as shown below) are as follows: b -b a a K1 =108 x K2 =108 x -b -a a b 0.1 m 0.05 m 0.5 m 0.5 m where a= 1.8 N/m and b=2.9 N/m. Find the assembled stiffness matrix of the system using the following connectivity table. Element Node i Node j (1) 2 (2) 2 What is the summation of all terms located on the main diagonal of the assembled [a bc] stiffness matrix? (Hint: if the assembled stiffness matrix is b de then you e f need to find the value of a + d+ f). Your Answer: Answer The shape function value ) is zero at the centre of the element. O is always higher than 1. O is equal 1 at its own node and zero at other nodes. O is always less than 1.