SAWstitch: exploring self-avoiding walks through hand embroidery

Brown, Christa P; Cook, Kalila R; Beales, Paul A.; Dougan, Lorna

doi:10.1088/1361-6552/ac6929

Cited by 2 publications

(1 citation statement)

References 34 publications

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“…If this is the case, the last move is not performed, and the step is repeated at random, as long as a free lattice site is found. A recent article in this journal [10] reported on an activity illustrating a self-avoiding RW for early year children and the general public using embroidery. This mimics the step-by-step growth of the polymer, thus avoiding the occupied neighbouring sites.…”

Section: Second Model: Polymer With Covolume the Self-avoiding Rw On ...mentioning

confidence: 99%

Particle simulations for inquiry-based teaching of polymer shape and entropic elasticity using computational thinking

Kraska

2023

Phys. Educ.

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An inquiry-based approach is proposed that allows students to develop and understand computer codes for simulations at the particle level. Computational thinking is employed as a low-threshold approach for students without programming experience. The resulting computer code cores are concise and traceable. Here, the topic of the simulations concerns polymer molecules. A special property of polymers, coiling, and the related entropic elasticity is suitable for the setup of a simulation in class. Students at the upper secondary level were introduced into the topic by an activity. This was a stochastic game serving as a basis to for the development of the corresponding algorithm. Once students are involved in the development of the code, they can meaningfully investigate the model by running the program, changing its parameters, or altering the code. With these simulations, students can prove wrong the early belief that polymer molecules exhibit a stretched chain structure. Furthermore, the confinement of the system leads to a decrease in entropy, which in turn results in a force acting on the walls that can be elaborated comprehensively by students through such simulations.

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Section: Second Model: Polymer With Covolume the Self-avoiding Rw On ...mentioning

confidence: 99%

Particle simulations for inquiry-based teaching of polymer shape and entropic elasticity using computational thinking

Kraska

2023

Phys. Educ.

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Digital Regeneration and Database Construction of Hunan Embroidery Needlework under the Perspective of Artificial Intelligence

Sun

Tang

Wang

et al. 2023

Applied Mathematics and Nonlinear Sciences

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In order to explore the development path of Hunan embroidery under the vision of artificial intelligence, promote the digital regeneration and database construction of Hunan embroidery stitches, the communication, and interaction between Hunan embroidery brands and the public, and create more possibilities for revitalizing the culture and industrial development of non-heritage Hunan embroidery. In this paper, a mechanics model of Hunan embroidery stitch is established based on the finite element idea under the view of artificial intelligence. The single yarn in the yarn is regarded as a frictionless articulation of some rows of elastic rods with a circular cross-section. The elastic rod can only be subjected to axial force without a moment, and it is a uniform, continuous, and completely elastic isotropic body. Using the displacement method, the displacement of the unit node is taken as the basic unknown quantity, the displacement in the unit is assumed to be linearly distributed, and the displacement of any node in the unit is obtained by linear interpolation. The strain, stress, and stiffness matrices of the elastic rod unit are derived, the equilibrium equations are given, and a database is established. The results of the study showed that consumers of all age levels thought that the patterns representing Hunan embroidery mainly include Hunan characteristic landscapes, portraits of Hunan great men, traditional flowers, birds and animals, and totems of Chu culture, etc., among which Hunan characteristic landscape accounted for 54% of the largest proportion. It provides a development direction for the inheritance and protection of Hunan embroidery skills.

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SAWstitch: exploring self-avoiding walks through hand embroidery

Cited by 2 publications

References 34 publications

Particle simulations for inquiry-based teaching of polymer shape and entropic elasticity using computational thinking

Particle simulations for inquiry-based teaching of polymer shape and entropic elasticity using computational thinking

Digital Regeneration and Database Construction of Hunan Embroidery Needlework under the Perspective of Artificial Intelligence

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