Automobile Ride Quality Study
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Automobile Ride Quality Study

Introduction: The purpose of this simulation is to model an automotive suspension and the effect it has on overall vehicle ride quality and comfort. Suspension systems must compromise between ride quality and vehicle handling, depending on the goals of the vehicle being designed. Sports cars have suspension systems that are designed for better handling by…

Automotive Suspension Bond Graph Simulation
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Automotive Suspension Bond Graph Simulation

Introduction: The purpose of this simulation is to model an instance when an automotive suspension is bottomed out. When a suspension system bottom outs, the springs has fully compressed and reached its maximum travel–causing the shock to crash into the bump stop. This can happen when a driver impacts a pothole at a high speed…

Unibody Torsional Rigidity
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Unibody Torsional Rigidity

Torsional and bending rigidity is a critical parameter for any automobile, especially vehicles with a unibody construction. However, bending rigidity isn’t as critical as torsional rigidity in the design of a vehicle. Unibody torsional rigidity is a measure of the force required to induce a one-degree “twist” in a car’s body structure. Naturally, a higher…

Automotive FEA Analysis
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Automotive FEA Analysis

Why is FEA important for engineering? Finite Element Analysis (FEA) involves simulating various physical phenomena using the numerical technique known as the Finite Element Method (FEM). Engineers employ FEA software to streamline the design phase, minimizing the need for physical prototypes and experiments, and enhancing product development efficiency while reducing costs. A comprehensive understanding and…

Fundamentals of Heat and Mass Transfer – Problem 2.10

Fundamentals of Heat and Mass Transfer – Problem 2.10

A one-dimensional plane wall of thickness 2L=100mm experiences uniform thermal energy generation of q dot=1000 W/m3 and is convectively cooled at x=+/-50mm by an ambient fluid characterized by T infinity=20°C. If the steady-state temperature distribution within the wall is T(x)=a(L2-x2)+b where a=10 °C /m2 and b=30 °C, what is the thermal conductivity of the wall?…

Fundamentals of Heat and Mass Transfer – Problem 2.28

Fundamentals of Heat and Mass Transfer – Problem 2.28

Uniform internal heat generation at  q˙= 5 × 107 W/m3 is occurring in a cylindrical nuclear reactor fuel rod of 50-mm diameter, and under steady-state conditions the temperature distribution is of the form T(r)=a+br2, where T is in degrees Celsius and r is in meters, while a= 800 °C and b= -4.167 × 105 °C/m2. The fuel rod properties are…