Hi every body,
i am trying to use Abaqus/Explicit to simulate a sharp penetration using ALE formulation included in Ver. 6.6, but what ever i do the remeshing module doesn't work. if any body has any information and experience about this kind of simulation i would be pleased to use it as a guid in my analysis.
Best regards
Hassan
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As scientists, we like to think our theories are built on a large body of directly observed phenomena, but we can directly observe only a few, primitive things, like the relative position of two objects -- and even that is called into question by modern physics! Instruments that measure abstract quantities like force and temperature depend on the validity of an underlying theory. For example, a scale provides a useful measurement of weight only if we accept a certain definition of weight. Such definitions are objectively arbitrary, because they can only be ranked in terms of usefulness.
Recently, I have seen a quit interesting article as follow:
http://www.sciencemag.org/cgi/content/abstract/317/5837/472?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=
I created this one page poster for publicizing iMechanica, primarily in schools among students, where I think a lot of students are unaware of iMechanica. I hope I am not infringing on any copyright rules or negatively impacting iMechanica's image and sensitivities. Would it be okay to print this out and post it on notice boards in school? Also, please let me know if I can improve on the design or add/remove any components. I will resubmit the final version as a pdf for student volunteers to print (if it is acceptable).
Thanks for your time,
Dhruv
To who concern,
I am currently a Mechanical & Maintenance Engineering PhD candidate in the University of Manchester. My research is focused on measurement technique in condition monitoring for machinery maintenance. My project is “Using an Optical Sensor to Measure the Instantaneous Rotating Speed of Machinery as Non-Contact Measurement”.
Instantaneous angular speed (IAS) has been more and more popular to be investigated in condition monitoring of machinery, such as diesel engines, pumps, electrical motors, and compressors.
Jan D. Achenbach, Walter P. Murphy Professor and McCormick School Distinguished Professor at Northwestern University was presented a 2005 National Medal of Science by President George W. Bush on July 27. Achenbach, who is well known in the mechanics community, was honored for his seminal contributions to engineering research and education in the area of wave propagation in solids and for pioneering the field of quantitative non-destructive evaluation. Previously, Achenbach received a 2003 National medal of Technology from President Bush.
Since I am an alum of the University of Minnesota, when I was a PhD student I lived only a few blocks from the site of yesterday's catastrophic bridge collapse in Minneapolis. The statics analysis of a truss is almost the first thing learned by every undergraduate engineering student, and appears to be relevant here. It is interesting to see words like "fatigue crack" and "vibrations" in the news . In light o
House Passes $600 Million Increase in National Science Foundation Budget July 27, 2007 --The U.S. House of Representatives passed an appropriations bill that would increase funding for the National Science Foundation (NSF) by nearly $600 million or 10 percent to $6.5 billion in fiscal year 2008. The bill would put NSF on track to double its budget in less than 10 years.
