The elasticity tag has no wiki summary.
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Boundary conditions of Navier-Cauchy equation
I'm having difficulties with Neumann boundary conditions in Navier-Cauchy equations (a.k.a. the elastostatic equations). The trouble is that if I rotate a body then Neumann boundary condition should ...
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168 views
Friction + Bouncing of an Object against an Elastic Wall
I am trying to create the formula for applying a bouncing effect to an element which is already slowing down by friction.
At the moment I have an element which moves in one dimension at speed "S" and ...
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104 views
Simplifying some math for an ant-on-rubber-band problem
OK, I've been doing this problem for fun (it's a great problem, BTW!): http://www.physics.harvard.edu/academics/undergrad/probweek/prob76.pdf
Here is the solution: ...
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Modellng mechanical behavior of heat shrink film
Consider a heat shrink film (as used in shrink sleeves that decorate plastic or glass bottles).
These materials are produced by blow extrusion. When the film is heated (hot steam, hot air or ...
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277 views
2d soft body physics mathematics [duplicate]
Possible Duplicates:
Modern references for continuum mechanics
Good books on elasticity
The definition of rigid body in Box2d is
A chunk of matter that is so strong
that the distance ...
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2answers
193 views
Stress and strain
Let us consider a rod having a young's modulus $Y$. Let it be of length $l$, and suppose it is suspended from a point P. Let us pull the rod with a force $F$ at a point Q which is at a distance $2/3l$ ...
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Is resilience a measure of power expended upon unloading?
I read the definition of 'elasticity' and 'resilience on Wikipedia:
Elasticity is a property of materials which return to their original
shape after they are deformed.
Resilience is the ...
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126 views
Maximum Shear on a Beam - beam with fixed support on one end and hinge on other end
A beam $\displaystyle 3m$ long with fixed support on one end and hinge on the other end is subjected to a uniform load of $10\ kN/m$. What is the maximum shear of this beam?
The solution is this one:
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Whats the contact area for elastic contact between a cylinder and a plane surface?
I am trying to determine the contact area between a cylinder and a plane surface of two different materials so that the plane lies tangent to the cylinder. There is elastic contact between the two ...
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151 views
How to solve fixed-fixed beam with finite difference method?
What equations to use on this system to form a matrix $A$ with dimensions $[n,n]$ and load vector $q$ with dimension $[n]$ ? I am trying to get vertical displacement $w$.
$$w = A^{-1}\times q$$
...
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Continuum mechanics and effects of stress
Going to word this question a bit more straightforward than I may have before. Also, I'm trying to use baby formulas so I can grasp exactly what's going on.
Object A has an elasticity of ...
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Elastic strings [closed]
Two elastic strings, $A$ and $B$, stretch by $30 \text{mm}$ and $60 \text{mm}$ respectively when a weight of $4 \text{N}$ is attached to each in turn. the strings are hung vertically from the same ...
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262 views
Young's Modulus and Vibrating String Harmonics
I was wondering how Young's Modulus effects the resonant harmonics of a vibrating (string instrument) string. I know that the string's fundamental frequency is $$\frac{1}2 \times \text{Length} \times ...
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80 views
How to figure out an elastic constant? [closed]
Im doing this study and i have this question which I'm not 100% sure on, got me pretty stumped. anyone think they can help me?!
When a bowstring is pulled back in preparation in preparation for ...
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14 views
What are the applications of Microcontiuum theory, especially mircopolar theory?
I'm reading the book "Microcontiuum Field Theories I: Foundations and Solids". I got some basic idea of microcontiuum theory from the book, but the book provides little illustration on the application ...
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Which viscoelastic material that transparent for Infrared light?
I have to work with viscoelastic materials, since I tried to use a silicone polymer (silly putty) which expect to IR transparent properties, however, IR camera shown the black color (means their ...
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61 views
Can a wave propagate in an elastic fluid in the absence of volume forces?
A motion (wave) $\mathbf{x}: \mathcal{B}_0 \times [t_0,t_1] \to \mathcal{E}:$ such that
$q-o = \mathbf{x}(p,t)=(p-o)+\mathbf{a}_0 cos(\mathbf{k}_0\cdot(p-o) - \omega_0 t)$
can propagate in an elastic ...
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108 views
Determine the tensor of contraint and deformation of a cube under compression
We have a cube under compression with dimension l1*l2*l3, is put between 2 rigid plates in the axis 1 (two plates block the deformation of the cube in thí axis), the cube is also put on a rigid plate, ...
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65 views
How to calculate 2D soft-body Physics [duplicate]
Possible Duplicate:
2d soft body physics mathematics
The definition of rigid body in Box2d is
A chunk of matter that is so strong
that the distance between any two bits
of matter on ...
