KeithFarrell wrote:Ohhhhhh... I thought this article was going to be along the lines of how swords were mass distributed throughout Europe by merchants or armourers or the like, and I was wondering why calculus had anything to do with the subject. This looks much more painful
KeithFarrell wrote:I had a read through, and it makes sense. Quite an interesting read, and I notice you wrote it in LaTeX always nice to see other people using that for their formal documents.
I have a question though. At the risk of sounding stupid, how does one calculate cross weight? Is it really just as simple as totalWeight - bladeWeight?
Also, to find out the blade presence value, we simply do bladeWeight / totalWeight? So a weapon with totalWeight = 1000g and bladeWeight = 300g would give:
bladePresence = bladeWeight / totalWeight = 300 / 1000 = 0.3 = 30%
I'm quite interested in working out some of these values for my own weapons, and I'm certainly interested in reading any further articles on the subject!
Measuring a weapon involves some handling. Be careful when you do it with sharp blades. In fact be careful in general! I do not want people to get hurt while just trying to measure swords. If you feel your grip is not secure enough, if there are any living beings nearby (including yourself obviously) that could be hurt by a sword falling down, just lay the sword down and rest. If the sword falls and is not worth any piece of your own skin then do not attempt to catch it. Do not take chances...
Penderyn wrote:Two very minor things in section 2.1, I'm not quite sure what you actually mean by density of mass, do you mean density or the distribution of mass?
When you say an infinite amount of data, while it is mathematically true there is a fixed volume and a fixed number of atoms in the object which in my opinion would mean there isn’t an infinite amount of data and while impractical for most people some x-ray diffraction and x-ray fluorescence would allow you to have a fairly good estimation to the distribution of atoms and the elements present in the sword allowing you to calculate the mass distribution of the sword to a very high degree of accuracy. But I'm just trying to be a smartarse and it would be a massive overkill and a waste of time and money since you can make a good enough estimation with the far simpler methods that you've used.
Personally I would like to see an approach using beam theory and other aspects of solid mechanics to distinguish how the blade profiles change the behaviour of the rigidity of the sword, it would benefit those wanting to make a simulator that is safe in the thrust but doesn’t wobble about too much. But doing that would require some fairly horrendous maths, a 3d model rather than a 2d one and some computing and I don't really have the time or the desire to start a project that big.
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