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Topic: Torsion coefficient

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Torque

	Torsion - Wikipedia, the free encyclopedia
		In mathematics, the term torsion has several meanings, mostly unrelated to each other.
		The word torsion sometimes refers to the medical condition commonly known as bloat.
		Torsion fields are infamous as a pseudoscientific field popular in Russia.
	en.wikipedia.org /wiki/Torsion (101 words)

	Easy Encyclopedia - Online Encyclopedia. Knowledge is Power
		A second meaning of torsion in differential geometry is the torsion tensor, which depends on a connection.
		Torsion free connections are considered most frequently - the Levi-Civita connection is assumed to have zero torsion, for instance.
		Some topological invariants are called torsions: for example the Reidemeister-Schreier torsion of a group acting on a finite complex; and also the analytic torsion defined using Laplacians.
	www.easyencyclopedia.com /encyclopedia/t/to/torsion.html (240 words)

	doc15 (Site not responding. Last check: 2007-09-10)
		Since a torsion field is identical to the transverse spin polarization of the physical vacuum, and a gravitational field is identical to the longitudinal spin polarization of the physical vacuum [1], then some properties of torsion fields are identical to the properties of gravitational fields.
		Torsion balances were employed in experiments conducted by N.P.Myshkin at the end of the IXX century, and later were employed in the experiments of N.A.Kozyrev and others.
		For instance, if the torsion balances are subjected to the influence of a "right" torsion field, and the indicator moves in one direction, then after influencing the torsion balance with a "left" torsion field, the indicator will move in the opposite direction.
	www.amasci.com /freenrg/tors/doc15.html (1612 words)

	GLOSSARY (Site not responding. Last check: 2007-09-10)
		Coefficient of stiffness for extension and compression springs.
		Coefficient of stiffness used for torsion and flat springs.
		A twisting action in torsion springs which tends to produce rotation, equal to the load multiplied by the distance (or moment arm) from the load to the axis of the spring body.
	www.ebscospring.com /glossary.htm (657 words)

	Wikipedia: Pendulum
		A torsion pendulum consists of a body suspended by a fine wire or elastic fiber in such a way that it executes rotational oscillations as the suspending wire or fiber twists and untwists.
		For small displacements, the movement of an ideal pendulum can be described mathematically as simple harmonic motion, as the change in potential energy at the bottom of a circular arc is nearly proportional to the square of the displacement.
		If I is the moment of inertia of a body with respect to its axis of oscillation, and if K is the torsion coefficient of the fivre (torque required to twist it through an angle of one radian), then the period of oscillation of a torsion pendulum is given by
	www.factbook.org /wikipedia/en/p/pe/pendulum.html (571 words)

	MAGNETOGRAPH - LoveToKnow Article on MAGNETOGRAPH
		In this position the magnet is in equilibrium under the action of the torsion of the suspension and the couple exerted by the horizontal component, H, of the earths field, this couple depending on the product of H into the magnetic moment, M, of the magnet.
		Since such a decrease in 0 would by itself cause the magnet to turn in the same direction as if H had increased, it is possible in a great measure to neutralize the effects of temperature on the reading of the instrument.
		Further, by suitably choosing the positions of the deflectors and the coefficient of torsion of the fibre, it is possible to make the temperature coefficient vanish.
	www.1911encyclopedia.org /M/MA/MAGNETOGRAPH.htm (1419 words)

	Nat' Academies Press, Physics of the Earth - II The Figure of the Earth Bulletin of the National Research Council (1931)
		The angular displacement in practice is measured by the device of a mirror mounted in the vertical axis of rota- tion of the balance bar and reflecting the image of a fixed scale to a fixed telescope, or of a fixed beam of light to a fixed photographic plate.
		Normally, within the system of the Eotvos torsion balance the level surfaces near each weight are not horizontal with respect to the center of gravity of the balance, and as the only movement that is possible for the weight is horizontal rotation, it tends to fall horizontally through the inclined level surfaces.
		As the torsion balance measures only the last, of those quantities and the difference between the first two of' the quantities, the form of the equipotential surface cannot be determined from torsion balance observations alone.
	www.nap.edu /books/ARC000033/html/167.html (4622 words)

	Torsion - Gurupedia
		Levi-Civita connection is assumed to have zero torsion, for instance.
		torsion subgroup of an abelian group consists of all elements of finite order.
		(This concept generalises to that of a torsion module.) In the Tor functors of homological algebra, which arise because tensor product does not in general preserve exact sequences, the symbol Tor does stand for this kind of algebraic torsion, historically speaking anyway.
	www.gurupedia.com /t/to/torsion-free.htm (250 words)

	Glossary: Spring Manufacturers - The Kirk-Habicht Company
		Free angle - angle between the arms of a torsion spring when the spring is not loaded.
		Modulas in shear or torsion (G) - coefficient of stiffness for extension and compression springs.
		Torque (M) - a twisting action in torsion springs which tends to produce rotation, equal to the load multiplied by the distance (or moment arm) from the load to the axis of the spring body.
	www.kirk-habicht.com /glossary.htm (884 words)

	[No title]
		We concentrate on the situation where E* is free of additive torsion, in which context the central issues are number-theoret* *ic questions of divisibility.
		Throughout this article it is convenient to work over rings which are free of additive torsion; we save the more general case for a future paper, thereby completing a revised version of the programme begun in [24].
		The coefficients of the power series expressing e in terms of D, as__ in (2.1), are en=(n + 1)!.
	hopf.math.purdue.edu /Clarke-Hunton-Ray/euc2.txt (8903 words)

	Pendulum (Site not responding. Last check: 2007-09-10)
		A gravity pendulum is a weight on the end of a rigid rod, which, when given some initial lift from the vertical position, will swing back and forth under the influence of gravity over its central (lowest) point.
		Galileo Galilei discovered that pendula exhibit regular periodic motion, a feature which he correctly speculated would make them useful for timekeeping devices such as clocks.
		If I is the moment of inertia of a body with respect to its axis of oscillation, and if K is the torsion coefficient of the fiber (torque required to twist it through an angle of one radian), then the period of oscillation of a torsion pendulum is given by
	hallencyclopedia.com /Pendulum (1033 words)

	Glossary of Terms
		Modulus in Shear or Torsion (G) - coefficient of stiffness for extension and compression springs.
		Modulus in Tension or Bending (E) - coefficient of stiffness used for torsion and flat springs (Young's Modulus).
		Torque (M) - a twisting action in torsion springs which tends to produce rotation, equal to the load multiplied by the distance (or moment arm) from the load.
	www.qualcomponents.com /glossary.htm (737 words)

	Function Field (Site not responding. Last check: 2007-09-10)
		The torsion or division polynomials are the polynomials or functions defining the subschemes of n-torsion points on the elliptic curve.
		The affine equation order of the function field is the natural home of the torsion polynomials.
		This ring is stored with E and is the parent of the various multivariate polynomials associated with E, such as the division polynomials and the "omega" polynomial of any isogeny with domain E.
	www.math.niu.edu /help/math/magmahelp/text1012.html (476 words)

	Terms (Site not responding. Last check: 2007-09-10)
		Foot Pounds, Inch Pounds - Unit of torque in the testing of torsion springs which is equal to the load multiplied by the distance from the load to the axis of the spring.
		Modules in Shear or Torsion (G) - Coefficient of stiffness for extension and compression springs.
		Torque(Movement) - A twisting force in torsion spring which tends to produce rotation, equal to the force multiplied by the distance from the force to the axis of the spring body.
	www.internationalspring.com /terms.htm (1212 words)

	[No title] (Site not responding. Last check: 2007-09-10)
		Uses quadrilateral isoparametric elements with bilinear variation of the stress function in torsion, velocity potential or stream function in potential flow, fluid potential or head in seepage, and temperature in heat flow.
		Geometry; element connectivity; material properties depending on the option (shear modulus for torsion, unity for potential flow, coefficient of permeability for seepage, thermal conductivity for heat flow); loading/boundary conditions (torque for torsion, velocity potential or stream function for potential flow, head for seepage and temperature for heat flow).
		Torsion: Nodal stress function, components of shear stresses, and torque.
	www.dscfe.com /codes/field2d.html (178 words)

	The York Encyclopaedia Morningtonia
		Invented by the German mathematician Ernst Beck in 1956, Beck's Coefficient is a calculated reference number which gives a rough indication of the probability of there being a possible route to Endgame within a set number of moves.
		The constant can only be used as a guideline, since the coefficient works on the assumption that line velocities are constant (Chalfont's Hypothesis suggests a coefficient that accounts for line velocities, but is incalculable on standard equipment within any reasonable amount of time), and unless stated otherwise is calculated for a twenty five move limit.
		Their coefficients are much lower than they would be if they were still in use and tokens placed on them may not always have the usual (or indeed any) effect.
	www.dunx.org /white-rose/mc_em.html (18665 words)

	[No title]
		Introduction We exploit the close relationship between the connective Morava K-theory sp* ec- trum k(n), whose coefficient* ring is k(n)* = F p[vn], and the spectrum P (n) wi* th P (n) = F p[vn, vn+1, vn+2,.
		Further, the comultiplication _S is given on bi as the coefficient of xi in 1X _Sb(x) = b(x)j bj in ()[[x]], (6.15) j=1 and fflSbj = 0 for all j > 1.
		As in [ibid.], _Abi is the coefficient of xi in 1X _Ab(x) = b(x)j bj in (Q** Q2*)[[x]], (7.8) j=1 and fflAbj = 0 for j > 1.
	hopf.math.purdue.edu /Boardman-Wilson/BWonPn.txt (15997 words)

	Interatomic potentials and solvation parameters from protein engineering data for buried residues -- Lomize et al. 11 ...
		Coefficients of solvation parameters were represented as sums
		` are the corresponding torsion angles in the
		The torsion potentials were applied in the standard form,
	www.proteinscience.org /cgi/content/full/11/8/1984 (6397 words)

	Motocross- La rivista del Fuoristrada
		They have a special plastic tendon on the front which controls lateral torsion, plastic heel protection and a double density sole insert.
		CPS also launched the Crossbow which was one of the most requested products on the market during the last season thanks to an excellent price/quality ratio.
		This model has remained unchanged from last year with the exception of the new sole with a higher torsion coefficient.
	www.motocross.it /sito/htm/ins/22.htm (455 words)

	PSN-L Message - Subject: Re: Passing solar flare geomagnetic shock wave? (Site not responding. Last check: 2007-09-10)
		The torsion wire is twisted so the magnet points > east and west instead of north and south as the magnet would like to do.
		If your torsion suspension rotates it through 90 Deg, all of the couple is due to the suspension.
		The torsional modulus Gm for 1% carbon steel is 8.12 x 10^11 dynes/cm^2 and the temperature coefficient tc is 2.6 x 10^ -4.
	psn.quake.net /psnlist/000614_100935_1.html (634 words)

	Spring Terminology and Definitions - Engineers Edge (Site not responding. Last check: 2007-09-10)
		Maximum stress at which any given material may operate indefinitely without failure for a given minimum stress.
		Coil-like wire shapes at the ends of extension springs that provide for attachment and force application.
		As in squareness of ends, except with the spring under load.
	www.engineersedge.com /spring_terms.htm (524 words)

	[No title]
		The difference between torsion in circular and non—circular cross—section bars is that every cross section of a circular bar remains plane and undistorted, whereas non—circular bars have out—of—plane deformation (warping), see Figure 3.2.
		The required dimensions for a rectangular specimen subjected to torsion 3.
		Compute the torsional stiffness from the torque — angle of twist diagram for the elastic range using the linest function in an EXCEL spreadsheet, and plot a trendline on your graph.
	engr.smu.edu /~pkhashae/ME2140/Lab3_Torsion_rect_f03.doc (704 words)

	SPACE-TALK - Theory of gravity (Site not responding. Last check: 2007-09-10)
		This whole idea came about when an experiment to determine the value of the gravitational constant done in Germany came up with a value 40 standard deviatons away from the mean.
		From what my prof told me, there's basically two schools of thought on why this is the case: 1) the torsion balance used does not have a constant coefficient of torsion 2) the error is in the current models for gravity.
		The second one has a decent amount of weight especiallly because G has always been the hardest and least well defined fundamental constant.
	www.space-talk.com /ForumE/showthread.php3?postid=26811 (1406 words)

	Extension Springs, Torsion Springs, Coil Springs, Compression Springs, Double Torsion Springs, Wire Forms, Fourslide ... (Site not responding. Last check: 2007-09-10)
		Extension Springs, Torsion Springs, Coil Springs, Compression Springs, Double Torsion Springs, Wire Forms, Fourslide Stampings, & Power Press Stampings.
		Hysteresis - The difference in forces at various deflections when loading or unloading a spring.
		Torque (Movement) - A twisting force in torsion springs which tends to produce rotation, equal to the force multiplied by the distance from the force to the axis of the spring body.
	www.bristolspring.com /glossary.html (809 words)

	Pendulum (Site not responding. Last check: 2007-09-10)
		A gravity pendulum is a weight on the end of a rigid rod (or a string/rope), which, when given an initial push, will swing back and forth under the influence of gravity over its central (lowest) point.
		Another variety of a torsion pendulum is a fixed elastic coil connected to a rod-like object; once moved off its resting position, the coil will set the rod into an oscillatory motion.
		The pendulum equation does not take into account the effects of friction and dissipation.
	www.worldhistory.com /wiki/P/Pendulum.htm (1009 words)

	Curvature of Curves and Surfaces
		The remarkable thing is that the derivatives of these unit vectors can be expressed neatly in terms of the unit vectors themselves.
		For a curve in a plane B(s) is constant so dB/ds=0 and thus the torsion coefficient τ must be zero.
		Therefore for a curve in a plane the equations reduce to:
	www.applet-magic.com /curvature.htm (482 words)

	MAGNETOGRAPH - Online Information article about MAGNETOGRAPH
		In this position the magnet is in See also:
		action of the torsion of the suspension and the couple exerted by the horizontal component, H, of the earth's field, this couple depending on the product of H into the magnetic moment, M, of the magnet.
		Hence if H varies the magnet will rotate in such a way that the couple due to torsion is equal to the new value of H multiplied by M. Since the movements of the magnet are always small, the rotation of the magnet is proportional to the See also:
	encyclopedia.jrank.org /LUP_MAL/MAGNETOGRAPH.html (2208 words)

	forces
		diff-dist-table i row)))) ;; **************************************************************** ;; Coefficients** for MM2 energy/force terms (define (lookup-helper compare-func result-func default-result the-list) (cond ((null?
		Really, I should pick up the more complete ;; tables from Jay Ponder's ftp site.
		Page accessed 2478 times since Sat Apr 17 22:02:57 1999 GMT
	www.ccl.net /cca/software/SOURCES/to_do_2/xyz2rgb/ncad021/forces.shtml (612 words)

	Sunshine Sketches of a Little Town (Site not responding. Last check: 2007-09-10)
		But the Dean always felt that his own case was especially to be lamented.
		For you see, if a man is trying to make a model aeroplane--for a poor family in the lower part of the town--and he is brought to a stop by the need of reckoning the coefficient of torsion of cast-iron rods, it shows plainly enough that the colleges are not truly filling their divine mission.
		But the figures that I speak of were not those of the model aeroplane.
	www.blackmask.com /books32c/ssklt.htm (21248 words)

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