- #1
LostMechE901
- 3
- 1
In Summary: I have a test Friday in modeling mass-spring-pulley systems, and I'm struggling to tie everything together. We're using the textbook System Dynamics 3rd Edition by William Palm III, and while it does a great job describing the individual components of each system, it does a crappy job teaching any sort of approach methods, problem analysis and solving procedures, and tying everything together in general.
Details: I understand general dynamics well enough to pass this test. I need help with approach methods. A series of general steps analyzing the problems if you will. I look at solutions, and I can understand how they got from A to B. If you give me a fresh problem I have no idea where to start. I don't know when to use the work energy theorem vs the mathematical approach with systems of force equations. I always draw my free body diagrams, have a bunch of ΣF = mX" and αI0 = rT = τ equations, and always fail to tie them together. Furthermore, on the test it appears he wants us to come up with transfer functions, and I can't even derive the equations of motion.
If anyone has any insight on problem solving approaches and developing intuition for these relationships, I would be so grateful. Here are some example problems to give an idea of what kind of questions he will be asking.
Again, I don't require the solutions to these, just approach methods, steps, etc. General problem solving procedure.
Details: I understand general dynamics well enough to pass this test. I need help with approach methods. A series of general steps analyzing the problems if you will. I look at solutions, and I can understand how they got from A to B. If you give me a fresh problem I have no idea where to start. I don't know when to use the work energy theorem vs the mathematical approach with systems of force equations. I always draw my free body diagrams, have a bunch of ΣF = mX" and αI0 = rT = τ equations, and always fail to tie them together. Furthermore, on the test it appears he wants us to come up with transfer functions, and I can't even derive the equations of motion.
If anyone has any insight on problem solving approaches and developing intuition for these relationships, I would be so grateful. Here are some example problems to give an idea of what kind of questions he will be asking.Again, I don't require the solutions to these, just approach methods, steps, etc. General problem solving procedure.
