On 02.09.2011 20:29 meekerdb said the following:
On 9/2/2011 5:17 AM, Evgenii Rudnyi wrote:
I have summarized my answers in respect to that the simulation
technology falls short of the simulation hypothesis at
http://blog.rudnyi.ru/2011/09/simulation-hypothesis-and-simulation-technology.html
It could be considered as some small empiric case study.
My practical experience with simulation has often been disappointing.
It works best when abstracting out a relatively small number of
relations and simple physics. But on the other hand, what can be
simulated has vastly expanded over the 50yrs of my career. So when
this or that ambitious project fails I don't conclude that the trend
is stopped.
Brent
Modern simulation software is actually not that bad. If one keeps things
simple, then the chances to get the right answer for the first time are
quite high even for a design engineer. I mean that default settings and
default meshing are working reasonably well. This is one of the reasons
that the simulation business grows extraordinary well: design engineers
can solve for example a linear structural mechanics problems by
themselves, the bachelor level suffices.
The problem in the real world however is not just simulate at any cost
but rather to earn money. The IBM case is interesting exactly from such
a pragmatic viewpoint. If the business does not bet anymore on monstrous
supercomputers, then it is an interesting sign.
When I talk to engineers working on electromobility, I mention that
theoretically one could think of simulating the whole hybrid vehicle at
once (structural mechanics, heat transfer, CFD, electromagnetics in a
single simulation) - they like it. Yet, they do not bet on that, they
are pragmatic.
Evgenii
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