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Solve Problem using force equilibrium; i.e., internal force caused by stress is equal to external force.
Problem
A force F is applied at the tip of the uniform bar element shown in the figure. The initial length and the cross-sectional area of the bar are, respectively, A0 and L0. The elastic modulus of the material is E.
Calculate the tip displacement by solving the total Lagrangian variational equation with the St. Venant-Kirchhoff nonlinear elastic material model.
Assume the following numerical values: E = 700 MPa, A0 = 1.0 X 10-4 m2, L0 = 1.0 m, and R = 10kN.
Compare the tip displacement with that from the linear elastic model when (a) E = 700 MPa and (b) E = 70GPa.
While every firm has a culture, not all cultures are relevant for a decision maker or analyst. Under what conditions is it important to pay attention to culture? When is it less important to analyze the influence of culture?
pressure limits of 10 kPa and 8 MPa, with reheat occurring at 4 MPa. The temperature of steam at the inlets of both turbines is 500°C, and the enthalpy of steam is 3185 kJ/kg at the exit of the high-pressure turbine
1. Because the circuit below stores energy in the capacitor and in the magnetic field of the inductor and the energy is simply transferred back and forth on alternate half-cycles, this circuit is commonly called a
Write down the Y-bus of the system and Build this power system in PowerWorld Simulator - Install a new transformer between buses 1 and 5, in parallel with the existing transformer between the above two buses. The new transformer is identical to the..
a resistance coil ab of 100 omega resistance is to be used as a potentiometer and is connected to a supply at 230 v.
Calculate vC, iC, and vR1 at 0.5 s and 1 s after the switch makes contact with position 1.- How much longer will it take for vC to drop to 10 V?
Determine the time constant of the circuit. - Write the mathematical equation for the voltage vC following the closing of the switch.
A DAC is to be used to deliver velocity commands to a motor. The maximum velocity is to be 2,500 rev/min, and the minimum nonzero velocity is to be 1 rev/min. How many bits are required in the DAC? What will the resolution be?
A wire is shown in Figure P1-6 which is carrying 2.0 A in the presence of a magnetic field. Calculate the magnitude and direction of the force induced on the wire.
The design of a beam calls for connecting two vertical rectangular 3/8 X 4-in. plates by welding them to two horizontal 1/2 X 2-in. plates as shown. For a vertical shear V, determine the dimension α for which the shear flow through the welded surf..
Is it possible for a dynamic system to be controllable and unobservable, and vice versa- that is to say, the system is uncontrollable and observable? Justify your answers
On the other hand, when S is high,we should have O1 = I2 and O2 =I1. Thus, S acts as the control input for a reversingswitch. Use Karnaugh maps to obtain a minimal SOP(sum ofproduct) design. Draw the circuit.
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