Nonlinear geometric effects in mechanical bistable morphing structures

Z Chen, Q Guo, C Majidi, W Chen, DJ Srolovitz… - Physical review …, 2012 - APS
Bistable structures associated with nonlinear deformation behavior, exemplified by the
Venus flytrap and slap bracelet, can switch between different functional shapes upon …

The mathematics of DNA structure, mechanics, and dynamics

D Swigon - Mathematics of DNA structure, function and interactions, 2009 - Springer
A brief review is given of the main concepts, ideas, and results in the fields of DNA topology,
elasticity, mechanics and statistical mechanics. Discussion in-cludes the notions of the …

[PDF][PDF] Relatively normal-slant helices lying on a surface and their characterizations

M Düldül - Hacettepe Journal of Mathematics and Statistics, 2017 - dergipark.org.tr
In this paper, we consider a regular curve on an oriented surface in Euclidean 3-space with
the Darboux frame {T,U,V\} along the curve, where T is the unit tangent vector field of the …

Weak operator binding enhances simulated lac repressor‐mediated DNA looping

AV Colasanti, MA Grosner, PJ Perez, N Clauvelin… - …, 2013 - Wiley Online Library
The 50th anniversary of Biopolymers coincides closely with the like celebration of the
discovery of the Escherichia coli (lac) lactose operon, a classic genetic system long used to …

Simulating an elastic ring with bend and twist by an adaptive generalized immersed boundary method

BE Griffith, S Lim - Communications in Computational Physics, 2012 - cambridge.org
Many problems involving the interaction of an elastic structure and a viscous fluid can be
solved by the immersed boundary (IB) method. In the IB approach to such problems, the …

Shape transition and multi-stability of helical ribbons: a finite element method study

Z Chen - Archive of Applied Mechanics, 2015 - Springer
Helical structures are among the most universal building blocks in nature and engineering.
In this work, I performed three-dimensional finite element simulations to study the transitions …

[HTML][HTML] Interacting charged elastic loops on a sphere

V Chaurasia, YC Chen, E Fried - Journal of the Mechanics and Physics of …, 2020 - Elsevier
A variational approach is used to study the behavior of two closed, inextensible, interacting
elastic loops that are constrained to lie on a sphere. In addition to the bending energy of …

Effects of protein-induced local bending and sequence dependence on the configurations of supercoiled DNA minicircles

YY Biton - Journal of Chemical Theory and Computation, 2018 - ACS Publications
The statistical mechanics of a short circularized DNA molecule, a DNA minicircle, with a
prescribed linking number depends heavily on the mechanical and geometrical properties of …

Geometric nonlinearity and mechanical anisotropy in strained helical nanoribbons

Z Chen - Nanoscale, 2014 - pubs.rsc.org
Fabrication and synthesis of helical nanoribbons have received increasing attention
because of the broad applications of helical nanostructures in nano-elecromechanical/micro …

Mechanics of tunable helices and geometric frustration in biomimetic seashells

Q Guo, Z Chen, W Li, P Dai, K Ren, J Lin… - Europhysics …, 2014 - iopscience.iop.org
Helical structures are ubiquitous in nature and engineering, ranging from DNA molecules to
plant tendrils, from sea snail shells to nanoribbons. While the helical shapes in natural and …