2018
DOI: 10.26583/sv.10.2.08
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Visualization of tensor fields based on geometric representation of tensors

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Cited by 5 publications
(7 citation statements)
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“…In all cases, fracture cracks grow from a defect of initial length 𝑙 0 along the normal to the direction of maximum tensile stress. To characterize the crack, scale relations are fulfilled Where λ is the fluctuation crack propagation upon rupture of one or a group of bonds (for organic polymers 𝜆 = 12𝛢 ∘ [5,6]), 𝜏 𝑓 (𝜎, 𝑇) is the duration of the slow (thermofluctuation) stage of crack growth from the initial to the critical length. Scale relations (2) are the substantiating experimental result for the construction of mathematical models.…”
Section: Ideological Schemes Of Researchmentioning
confidence: 99%
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“…In all cases, fracture cracks grow from a defect of initial length 𝑙 0 along the normal to the direction of maximum tensile stress. To characterize the crack, scale relations are fulfilled Where λ is the fluctuation crack propagation upon rupture of one or a group of bonds (for organic polymers 𝜆 = 12𝛢 ∘ [5,6]), 𝜏 𝑓 (𝜎, 𝑇) is the duration of the slow (thermofluctuation) stage of crack growth from the initial to the critical length. Scale relations (2) are the substantiating experimental result for the construction of mathematical models.…”
Section: Ideological Schemes Of Researchmentioning
confidence: 99%
“…Where 𝑈 = 𝑈 0 − 𝑞𝑇 в is the activation energy for breaking bonds, decreasing linearly with increasing temperature; 𝑈 0 is the activation energy of the rupture process, extrapolated to absolute zero; q is the coefficient of temperature dependence of the activation energy (for polymeric organic glasses) 𝑞 ∼ (15 − 20)J/molK; 𝜎 0 *thermal fluctuation threshold of destruction (safe overvoltage at the crack tip). The fluctuation volume, an important molecular structural characteristic of polymers, is calculated on the basis of data on the structure of polymers and the mechanism of their destruction [5,6]: 𝑉 𝑎 = 𝜆𝜆 𝜋 𝜆 𝑚 , where 𝜆 𝜋prebreak bond elongation; 𝜆 𝑚bond elongation. For non-oriented polymers, (polymer glasses formed by linear polymers), for oriented (fibers) 𝑉 𝑎 = 6𝜆 0 2 ⋅ 𝜆 𝑚 = 1.4 ⋅ 10 −28 м 3 ; 𝜆 𝑚 = 1.5 𝐴 ∘ , 𝜆 0 = 4𝐴 ∘ is the average intermolecular distance in the polymer) [7,8].…”
Section: Ideological Schemes Of Researchmentioning
confidence: 99%
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“…This approach has already been applied to natural science and mathematical training based on information and educational environment for the mathematical training of engineers NOMOTEX [48,49]. In this environment, specialized software modules are used to visualize the most complex mathematical concepts, for example, tensor fields [50]. Moreover, created on the principles of artificial intelligence, this environment includes a mathematical knowledge base founded on a neural network structure [51].…”
Section: Experience In Engineering Education Transformationmentioning
confidence: 99%
“…4. Development of applications for CAE, designed to solve specific visualization problems in the environment of a particular CAE system [7][8][9]. This paper considers the solution of a particular visualization problem for CAD/CAE Solid-Works (Simulation).…”
Section: Introductionmentioning
confidence: 99%