Starting Freshman with College Algebra

Starting Freshman with College Algebra

Hey guys I recently took the Math Placement Test twice and I got the same score on both, even after attenting a Math Camp. I had scored the class before Pre-Calculus which is College Algebra for Engineers at my university and I was wondering if Engineering is even right for me since apparently I am struggling with Math which is the important part of it. I always thought Math was my favorite subject and I was really good at it but I am not too sure what happened, I studied and actually learned at the camp but I ended up scoring the same. Should I still pursue this degree? I am even willing to attend summer classes to catch up since I am already going to be behind.

Submitted June 30, 2017 at 06:49PM by shadowkillz99
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Starting Freshman with College Algebra

Why is the airflow out of my tube higher at holes drilled at the end of the tube than the beginning?

Why is the airflow out of my tube higher at holes drilled at the end of the tube than the beginning?

I have a small diameter tube with a couple of holes drilled in series into it on opposite ends. The opening on the far end is sealed and I am pumping air into the other end.

I am ultimately wanting the airflow out of each drilled hole to be relatively uniform (the application is somewhat quick and dirty). The holes are currently the same size, so a difference in pressure / airflow at each one isn't surprising. What is surprising is that the airflow increases the farther away they are from the air source which is the opposite of what I would expect.

In terms of how it is currently behaving it is very similar to Toricelli's Law. That law doesn't apply to air though since it is compressible, right? Any idea what's going on, and what I should do to get the airflow out of each hole relatively even?

Thanks in advance!

Submitted June 30, 2017 at 01:10PM by SupriseGinger
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Why is the airflow out of my tube higher at holes drilled at the end of the tube than the beginning?

Daily GENERAL Mega-Thread [Jun 30 2017]

Daily GENERAL Mega-Thread [Jun 30 2017]

Welcome to /r/engineering's daily thread!

This thread is open to all questions, comments, and discussions, especially those things not usually permitted in normal posts:

  • Career advice questions
  • Job offer and job market discussions
  • Resume critiques
  • Office/management/employee topics
  • Questions about school/major choice/course electives (homework questions will be removed)
  • Discussions of current projects, including progress images
  • Pretty much anything you want to talk about that is engineering or job-related is fine provided you follow rules seven (7) and nine (9).

Submitted June 30, 2017 at 06:08AM by AutoModerator
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Daily GENERAL Mega-Thread [Jun 30 2017]

Applying a distributed surface load (*DSLOAD) in abaqus/CAE

Applying a distributed surface load (*DSLOAD) in abaqus/CAE

I created an quarter-circle axisymmetric deformable wire part in Abaqus/CAE and have to apply a distributed surface pressure load on one side of the wire. How do I apply such a DSLOAD?

Submitted June 30, 2017 at 03:17AM by iamdwang
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Applying a distributed surface load (*DSLOAD) in abaqus/CAE

Applying a “displacement load” in Abaqus/cae?

Applying a “displacement load” in Abaqus/cae?

My assignment is to create an axisymmetric wire part in the shape of a quarter circle and to apply a constant displacement to the wire and measure the corresponding pressure resulting from the displacement (not the other way around; that was my previous assignment.) I don't see anything pertaining to displacement in the "Loads" category and have no idea how to go about doing this. Any help is much appreciated?

Submitted June 30, 2017 at 03:28AM by iamdwang
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Applying a “displacement load” in Abaqus/cae?