Topic
Flexural rigidity
About: Flexural rigidity is a research topic. Over the lifetime, 3829 publications have been published within this topic receiving 56780 citations.
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TL;DR: In this article, changes in shape of the Michigan Basin during the Phanerozoic are determined using depths to formation tops from 480 wells, using a one-dimensional finite-difference thermal model in which a 142 km plate is temporarily heated from below.
17 citations
Patent•
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21 Oct 1982
TL;DR: In this article, reinforcing wires are incorporated into the nonporous integral foam skin during extrusion to increase the flexural stiffness of an extruded, board-shaped integral foam bar.
Abstract: To increase the flexural stiffness of an extruded, board-shaped integral foam bar, reinforcing wires are incorporated into the non-porous integral foam skin during extrusion.
17 citations
TL;DR: In this paper, the eigenmodes of a thermally fluctuating two-dimensional elastic membrane clamped at both ends were extracted from resonant peaks in the frequency domain of the time-dependent height and measured the dependence of the corresponding eigenfrequencies on the microscopic bending rigidity of the membrane.
Abstract: We use molecular dynamics to study the vibrations of a thermally fluctuating two-dimensional elastic membrane clamped at both ends. We directly extract the eigenmodes from resonant peaks in the frequency domain of the time-dependent height and measure the dependence of the corresponding eigenfrequencies on the microscopic bending rigidity of the membrane, taking care also of the subtle role of thermal contraction in generating a tension when the projected area is fixed. At finite temperatures we show that the effective (macroscopic) bending rigidity tends to a constant as the bare bending rigidity vanishes, consistent with theoretical arguments that the large-scale bending rigidity of the membrane arises from a strong thermal renormalization of the microscopic bending rigidity. Experimental realizations include covalently bonded two-dimensional atomically thin membranes such as graphene and molybdenum disulfide or soft matter systems such as the spectrin skeleton of red blood cells or diblock copolymers.
17 citations
TL;DR: In this paper, it was shown that the elastic membrane corresponding to discrete Polyakov-Kleinert string undergoes a second-order phase transition at finite bending rigidity, and that this phase transition is associated with a non-trivial fixed point of the β -function for the inverse bending stiffness.
17 citations
TL;DR: In this paper, the bending rigidity of warp-knitted fabrics is investigated as a function of yarn bending properties, such as yarn density, yarn underlaps length, and yarn yarn yarn weaving properties.
Abstract: This study focuses on the bending rigidity of warp-knitted fabrics as a function of knit structure (underlaps length), density (wale and course spacing) and yarn bending properties. Seven standard warp-knitted fabrics are produced with three different densities (Tricot, Locknit, three and four needles Satin, Reveres Locknit, three and four needles Sharkskin). The bending rigidity of the fabrics is measured using a Kawabata evaluation system and an automatic cyclic bending tester. Results show that the bending rigidity increases for the fabrics with a higher density and underlaps length of the front and back guide bars. In addition, a new mechanical model for the bending behaviour of warp-knitted fabrics using an energy method is presented. In this model, the knitted loop structure is assumed to consist of a series of straight and skew yarns simulating legs and underlaps while considering a rigid region lying in the direction of bending. Experimental results show that there is a reasonable agreement betwee...
17 citations