Tagged Questions
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0answers
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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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1answer
168 views
Is there symmetry in 2d stress tensor in linear elastic fracture mechanics?
Assumptions:
Cross terms in strain tensor are defined as equal $\varepsilon_{xy} = \varepsilon_{yx}$.
pure mode I crack.
Far from crack tip, material is purely elastic and we are way below
yield ...
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1answer
145 views
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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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 $2/3l$ ...
2
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3answers
275 views
Consistent theory of continuum
Why is there a consistent theory of continuum mechanics in which one just consider things like differential elements and apply Newtons laws? Is there a deeper reason for it. Is it the nature of ...
