⚙ Mechanical Engineering

torsional reaction in prismatic beam

I have an (isotropic, nothing fancy about it) beam of length L, fixed at ends A and B. At distance a from A, there is a...

7 comments posted 18yrs

posted by et57

7 comments posted 18yrs posted by et57

sigularity of the mass matrix

When analyzing trusses, one can compute the natural frequencies of the truss, using matrix methods, i.c. solve the eige...

5 comments posted 18yrs

posted by et57

5 comments posted 18yrs posted by et57

Statistica Sinica newly-accepted articles (Nov. 2007)

Dear All, I am attaching a list of Statistica Sinica newly accepted articles. All accepted but yet to be published arti...

0 comments posted 18yrs

posted by Statistica.Sinica

0 comments posted 18yrs posted by Statistica.Sinica

$250 Award - "Machine Shop Trade Secrets" Award

I thought members of the machinist community might be interested in hearing about the $250 "Machine Shop Trade Secrets"...

0 comments posted 18yrs

posted by proshoppublishing

0 comments posted 18yrs posted by proshoppublishing

Recommendation for tap fit hole tolerance in 4140 pre-hard steel

Hi everyone, I would like to ask if anyone can please recommend a tap fit hole Min. & Max. tolerance for a 3/8" hardene...

4 comments posted 18yrs

posted by johnjmechanical

4 comments posted 18yrs posted by johnjmechanical

"Spot" re-anodizing

I have a anodized and painted part which I need to have work done on. It is part of a pressure vessel and the area arou...

4 comments posted 18yrs

posted by nbprice

4 comments posted 18yrs posted by nbprice

3d beam element 12x12 consistent mass matrix

Can anyone show me the coefficients of the consistent mass matrix for a 3d beam element ? I found one in a book by C.T....

1 comments posted 18yrs

posted by et57

1 comments posted 18yrs posted by et57

Photographing flow

Hi, I'm wondering if anyone may be able to help me. I am wanting to photograph the airflow over a turbine blade being t...

1 comments posted 18yrs

posted by jennifer.rollo

1 comments posted 18yrs posted by jennifer.rollo

Off topic / Ignore

Have a nice day

0 comments posted 18yrs

posted by chandler7600

0 comments posted 18yrs posted by chandler7600

urgent: adhesive expert

Hi, I was given a task to look for an adhesive which can withstand a very high temperature. I have some "ceramic adhesi...

5 comments posted 18yrs

posted by jchung6

5 comments posted 18yrs posted by jchung6

A Curve By Any Other Name

I''ve been working a Star Trek-type Vulcan harp, a project much harder than one would think. One thing, those curves ma...

1 comments posted 18yrs

posted by ryon

1 comments posted 18yrs posted by ryon

Karman vortices and natural frequencies

I have a construction that might be sensitive to Karman vortex exitation. How far should the Karman vortex frequency (g...

5 comments posted 18yrs

posted by et57

5 comments posted 18yrs posted by et57

Recuperated Reciprocating Engines

Last spring a _Popular Mechanics_ type article proposed hyperbaric supercharging of small engines as an alternative to...

0 comments posted 18yrs

posted by BretCahill

0 comments posted 18yrs posted by BretCahill

Wind Analysis As per NBCC-2005

Dear Members, Greetings of the day to all of you. I am Hiren Trivedi from Malaysia. Do anyone know, how to carry out Wi...

0 comments posted 18yrs

posted by hirenntrivedi

0 comments posted 18yrs posted by hirenntrivedi

Scratch resistant panel finishing

I seem to remember that either door hardware or faucets sometimes are coated in some vacuum vapor deposit method to lea...

3 comments posted 18yrs

posted by spamtrashspam

3 comments posted 18yrs posted by spamtrashspam