Research on the Adhesive Performance of a Biomimetic Goat Hoof Track Shoe Pattern

Zhang, Fu; Zhang, Chaochen; Chen, Gongfa; Cui, Xiahua; Ali, Shaukat; Wang, Xinyue

doi:10.3390/biomimetics7020080

Cited by 4 publications

(4 citation statements)

References 13 publications

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“…Through measurement and calculation, the soil density was 1330 kg/m 3 , the elastic modulus was 10 MPa, the Poisson’s ratio was 0.33 [ 20 ], the internal friction angle was 28.85°, and the cohesion was 44.08 kPa.…”

Section: Simulation Testmentioning

confidence: 99%

“…The adhesion effect of the biomimetic sand-climbing wheel-surface was obviously higher than that of a conventional sand-climbing wheel-surface. Zhang [ 20 ] used reverse engineering technology to extract the contour line of the goat hoof-ball and analyzed the hoof-ball organization structure, designing the biomimetic goat-hoof track pattern by using the macroscopic features and microscopic characteristics of the goat hoof-ball. In addition, the adhesion performance of the imitation goat-hoof track pattern with that of the common single-line track pattern was compared.…”

Section: Introductionmentioning

confidence: 99%

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Design and Test of Tread-Pattern Structure of Biomimetic Goat-Sole Tires

et al. 2022

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To solve the technical problem that wheeled vehicles are prone to skidding on complex ground, due to poor adhesion performance, a tire-tread-structure design method based on the bionic principle is proposed in this paper. The 3D model of a goat’s foot was obtained using reverse engineering technology, and the curve equation was fitted by extracting the contour data of its outer-hoof flap edge, which was applied to the tire-tread-structure design. The bionic and herringbone-pattern rubber samples were manufactured, and a soil-tank test was carried out using an electronic universal tensile-testing machine, in order to verify the simulation results. The results showed that the overall adhesion of the bionic tread-pattern was greater than that of the normal tread-pattern with the same load applied and the same height and angle of the tread-pattern structure, and the maximum adhesion was increased by 14.23%. This research will provide a reference for optimizing the pattern structure and thus improving the passing performance of wheeled vehicles.

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Section: Simulation Testmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design and Test of Tread-Pattern Structure of Biomimetic Goat-Sole Tires

et al. 2022

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“…16 It is well-known that numerical simulations and experiments are an essential approach to examining the drag-reduction characteristic of fish. 17,18 Diez et al 19 used the Realizable k-ε turbulence model to simulate the shark shape and obtained the model's drag coefficient, lift coefficient, and velocity field of the model in the flow field. Li et al 20 scanned the tuna to acquire the shape parameters of the tuna, facilitating the completion of structural modeling.…”

Section: ■ Introductionmentioning

confidence: 99%

Fluid–Solid Interfacial Properties and Drag-Reducing Characterization of the Flexible Conical Microstructured Film Inspired by the Streamlined Body Surface of the Pufferfish

Zhu,

Zhao,

Feng

et al. 2024

Langmuir

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Given the challenges in accurately replicating the surface of the pufferfish, this study employed three-dimensional (3D) printing to create a model based on inverse modeling. The morphology of the pufferfish exhibits a streamlined configuration, characterized by a gradual widening from the anterior oral region to the central ocular area, followed by a progressive narrowing from the midabdominal region toward the caudal extremity. The RNG kε turbulence simulation results demonstrate that the streamlined body surface of the pufferfish diminishes differential pressure resistance. This enhancement promotes laminar flow formation, delays fluid separation, minimizes turbulence-induced vortices, and reduces frictional resistance. Moreover, the pufferfish's supple and uneven outer epidermis was simplified into a flexible, nonsmooth planar film to conduct fluid−solid coupling simulations. These revealed that the pufferfish's unique skin can absorb turbulent energy and minimize momentum transfer between the fluid and the solid film, lowering the fluid resistance during swimming. In summary, The high-efficiency swimming capacity of pufferfish stems not only from their streamlined body surface but also significantly from the unique structural characteristics and mechanical properties of their flexible skin. This research provides critical theoretical underpinnings for the design of functional bionic surfaces aimed at drag reduction.

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“…The preliminary study of the research group [29][30][31] found that several functional parts evolved by goats can adapt to the unstructured environment, showing strong adhesion and passing ability. Therefore, in this article, the goat was used as an experimental object, and the QTM gait analysis system was used to collect the three-dimensional force changes of the goat gait and hoof bottom under multi-slope.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Mechanical Properties of Functional Parts of Goat Hoofs under Multi-Slope

Zhang,

Wang,

Cui

et al. 2024

Agriculture

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In order to improve the adhesive and passing performance of agricultural tracked vehicles under a non-structural environment, a theoretical design method of the structure of a bionic track pattern is proposed in this article. The Saanen goat is taken as the experimental subject, and the hoof tips and hoof spheres are taken as the characteristic functional parts, whose pressure is measured by thin film pressure sensors. The Qualisys Track Manager (QTM) gait analysis system was used to obtain the gait sequence of goats under multi-slope. The changes in vertical ground reaction force (GRF) and vertical impulse (VI) of the hoof tips and spheres and adhesion coefficient under multi-slope were analyzed. The results show that with the increase in slope, the GRF is transferred from the left hind hoof to the right front hoof, and the right front hoof has the most significant effect. Under the 10-degree slope, the peak vertical GRF and VI of the inner tip of the right front hoof are the largest; peak vertical GRF is 146.20 N, and VI is 127.67 N·s. The adhesion coefficient is the largest; the right front and left hind hoof are in the diagonal two-phase supported state, and μ is 0.3455. Therefore, the inner tip of the right front hoof is used as a bionic prototype to design the track pattern architecture. It provides a theoretical basis for the design and optimization of bionic patterns applied to agricultural tracked vehicles.

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Research on the Adhesive Performance of a Biomimetic Goat Hoof Track Shoe Pattern

Cited by 4 publications

References 13 publications

Design and Test of Tread-Pattern Structure of Biomimetic Goat-Sole Tires

Design and Test of Tread-Pattern Structure of Biomimetic Goat-Sole Tires

Fluid–Solid Interfacial Properties and Drag-Reducing Characterization of the Flexible Conical Microstructured Film Inspired by the Streamlined Body Surface of the Pufferfish

Analysis of Mechanical Properties of Functional Parts of Goat Hoofs under Multi-Slope

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