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Engineering Judgment and Safety

Submitted by Thomas Ighodalo on

In engineering design , the phrase "Good Engineering Judgment" is often repeated over and over again. "Engineering Judgment" refers to the decision made by an engineer based on the available data to propose a design or a line of action. In the absence of convincing evidence, engineering judgement seems to be the only recourse, yet in words of Richard Feyman  in his book about the investigation of the accident that destroyed the Challenger space shuttle  “When I hear the words ‘engineering judgement’, I know they are just going to make up numbers” (Feynman, 1993).

Ekekwe Ikenna - Debate Summary 2012

Submitted by ikenna_ekekwe on

1. node/13813#comment-23593

2. node/13814#comment-22862

3. node/13814#comment-22897

4. node/13822#comment-23554

5. node/13822#comment-23491

6. node/13329#comment-22658

7. node/13474#comment-20637

8. node/13474#comment-20776

9. node/13474#comment-21456

10. node/13474#comment-20757

11. node/13474#comment-20770

12. node/13474#comment-21457

How to set boundary conditions for Transport Equation with closed boundary?

Submitted by dolken on
research
transport equation
closed boundary

Hi Everyone,

 I have a modeling problem.  It finally goes to drug flows inside a tute of one dimension. The speed of the drug flow is constant. The initial condition is know. The tube is closed, which means no exterior drug flows into the tube and the drug can not flow outside of the tube. Does anyone know how to set up the boundary conditions in mathematical formula? Thanks a lot.

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