|
![Cortex folding during brain development (Evolution steps) for four different thicknesses (A/B) of the cortex](thumbnails/s151.jpg) |
![Different folding patterns as a function of the ratio of shear moduli mu(s)/mu(c) of cortex/core](thumbnails/s152.jpg) |
![Cortex folding patterns for: (a-d) uniform gs/gc around the circumference; (e-h) non-uniform gs/gc around circumference](thumbnails/s153.jpg) |
![Spiral patterns in cactus: TOP: actual; BOTTOM: computer simulation](thumbnails/s154.jpg) |
![A potential stress-driven Fibonacci spiral buckling pattern in a spheroidal core/shell structure](thumbnails/s155.jpg) |
|
Cortex folding during brain development (Evolution steps) for four different thicknesses (A/B) of the cortex |
|
Different folding patterns as a function of the ratio of shear moduli mu(s)/mu(c) of cortex/core |
|
Cortex folding patterns for: (a-d) uniform gs/gc around the circumference; (e-h) non-uniform gs/gc around circumference |
|
Spiral patterns in cactus: TOP: actual; BOTTOM: computer simulation |
|
A potential stress-driven Fibonacci spiral buckling pattern in a spheroidal core/shell structure |
|
|
|
![The buckling of capillaries in solid tumours: buckled cross sections](thumbnails/s156.jpg) |
![Cross section of](thumbnails/s157.jpg) |
![Buckling and wrinkling patterns in the natural world](thumbnails/s158.jpg) |
![buckled spheroids: top row: actual; bottom row: simulated](thumbnails/s159.jpg) |
![Stress-driven buckling patterns in spheroidal core/shell structures](thumbnails/s160.jpg) |
|
The buckling of capillaries in solid tumours: buckled cross sections |
|
Cross section of "buckles" in a red bell pepper |
|
Buckling and wrinkling patterns in the natural world |
|
buckled spheroids: top row: actual; bottom row: simulated |
|
Stress-driven buckling patterns in spheroidal core/shell structures |
|
|
|
![Buckling (](thumbnails/s161.jpg) |
![Axisymmetric tree buckles](thumbnails/s162.jpg) |
![Giant clam shell (about 3 feet across)](thumbnails/s163.jpg) |
![An undamaged angel wing shell, found and photographed by Allen Waters of NASA Langley Research Center](thumbnails/s164.jpg) |
![Dried shell of a sea urchen](thumbnails/s165.jpg) |
|
Buckling ("snap"-through) of the dome of a suffle upon cooling |
|
Axisymmetric tree buckles |
|
Giant clam shell (about 3 feet across) |
|
An undamaged angel wing shell, found and photographed by Allen Waters of NASA Langley Research Center |
|
Dried shell of a sea urchen |
|
|