
Datum shift + Stack-Up | Eng-Tips
May 11, 2011 · However pmarc's reminder about the simultaneous requirement, made me at least consider that it would only affect the position of one feature with respect to the datum but not …
Minimum Pile Spacing and Group Effect | Eng-Tips
Jun 1, 2015 · Generally, Pile Spacing is limited to a minimum of 3 X Diameter. Question: I have a case where the Pile Spacing is less than 3 X Dia. (approx. 2-1/2 X Dia.), and the Group …
Resonance in structures, how to avoid and calculate it?
Aug 27, 2012 · Theoretically, each structure has natural vibaration modes and if any loads comes with in range of that modes ( same vibration frequencies) this will amplify the effect of applied …
Constant and Variable Backpressure | Eng-Tips
Aug 5, 2008 · Having a discussion here at work and no one has a good definition of the difference and causes of constant and variable backpressure. What are the causes of constant …
Batter Pile Foundations Example - Resolving lateral demands into …
Aug 26, 2014 · I have found limited information regarding battered piles, especially worked out examples from a structural engineering perspective. Accordingly, the below and attached are …
Poisson's ratio | Eng-Tips
Oct 17, 2000 · These known examples of negative Poisson's ratios all depend on the presence of a high degree of anisotropy; the effect only occurs in some directions and may be dominated …
Steering Angle Effects | Eng-Tips
Feb 25, 2009 · The angle of the tie-rod (steering link) relative to the rest of the suspension linkage affects bump-steer (in front view), and Ackermann effect (in top view). Regarding the specific …
Effect of Molecular Weight On Compressor Performance
Jun 21, 2019 · Dear All, I have extensively studying the analysis of the impact of Molecular weight changes on fixed speed and variable speed compressors. Can you provide your feedback on …
Friction and contact area | Eng-Tips
Aug 6, 2006 · In this application I've found that a change in temperature has a significant affect on friction. It's well known that two surfaces in frction will generate heat. Can an increase in …
Pressure Difference due to Altitude | Eng-Tips
Oct 19, 2011 · Hi All, Want to bring this back to basics for a minute. I work for a gas company and someone came in with a simple question. A sealed pipe of natural gas rises 100m. the …