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How to apply normal stress on a solid box cube ?
Posted 2015年4月21日 GMT-4 04:40 3 Replies
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The thing is that we have to study deformation in solid cube . How to we study ?
3 Replies Last Post 2015年4月21日 GMT-4 16:16
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Posted:
10 years ago
Boundary load with a specified force per unit area, right? Then a displacement constraint on at least one boundary to prevent acceleration.
The cube won't be under uniform stress, but then uniform stress would be trivial (a simple function of the compliance matrix).
The cube won't be under uniform stress, but then uniform stress would be trivial (a simple function of the compliance matrix).
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Posted:
10 years ago
Hi
what about modelling 1/8 of a cube and apply 3 symmetry conditions on 3 adjacent boundaries, that should give you, by loading on one of the free boundaries, a rather symmetric cube load case, no ?
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Good luck
Ivar
what about modelling 1/8 of a cube and apply 3 symmetry conditions on 3 adjacent boundaries, that should give you, by loading on one of the free boundaries, a rather symmetric cube load case, no ?
--
Good luck
Ivar
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Posted:
10 years ago
In the 1/8 cube case, for example the positive octant, if you for example were to apply a unit force per unit area normal to the +z face then implicitly zero to the +x and +y faces, that would be equivalent to applying an opposing force also on the virtual -z face (zero net force), and the symmetry boundary condition would implicitly immobilize the cube, so that would work.