Transcription of Chapter 7 First-order Differential Equations
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Chapter 7 Application of First-order Differential Equations in Engineering Analysis( Chapter 7 First order DEs) Tai-Ran Hsu*Based on the book of Applied Engineering Analysis , by Tai-Ran Hsu, published byJohn Wiley & Sons, 2018 Applied Engineering Analysis- slides for class teaching* Chapter Learning Objectives Learn to solve typical first order ordinary Differential Equations of both homogeneous and non homogeneous types with or without specified conditions. Learn the definitions of essential physical quantities in fluid mechanics analyses. Learn the Bernoulli s equation relating the driving pressure and the velocities of fluids in motion.
For space and variable t for time. First order differential equations are the equations that involve highest order derivatives of order one. They are often called “ the 1st order differential equations Examples of first order differential equations: Function σ(x)= the stress in a uni-axial stretched metal rod with tapered cross section (Fig. a),
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