2 papers
math-ph2026
A topological counting rule for shells
Hussein Nassar
Holding a shell in their hands, one can apply six loads: three by pulling and shearing, and three by bending and twisting. Here, it is shown that the shell resists exactly three lo…
math.DG2025
How periodic surfaces bend without stretching
Hussein Nassar, Andrew Weber
Many compliant shell mechanisms are periodically corrugated or creased. Being thin, their preferred deformation modes are inextensional, i.e., isometric. Here, we report on a recen…