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Deformation pattern in vibrating microtubule: Structural mechanics study based on an atomistic approach

The mechanical properties of microtubules are of great importance for understanding their biological function and for applications in artificial devices. Although microtubule mechanics has been ... the structural mechanics of microtubules on an intra-molecular level, and for (ii) prospective therapeutic targeting of microtubule mechanical properties, and for (iii) engineered modifications of

Piecewise-linear and bilinear approaches to nonlinear differential equations approximation problem of computational structural mechanics

This paper presents a bilinear approach to nonlinear differential equations system approximation problem. Sometimes the nonlinear differential equations right-hand sides linearization is extremely difficult or even impossible. Then piecewise-linear approximation of nonlinear differential equations can be used. The bilinear differential equations allow to improve piecewise-linear...

Mechanics of Energy Materials

successful development and deployment of these materials rely critically on a fundamental understanding of strongly coupled multiphysics phenomena. Mechanics of energy materials has emerged as a rapidly ... research advances in this highly interdisciplinary area, with a focus on experimental and integrated computational/ experimental investigations from the mechanics and materials prospectives. The eleven

Intelligent Structural Systems

to various structural configurations. Lengthy and detailed equations are derived to describe the motion of piezoelectric general shells. The equations are next reduced to the cases of thick and thin ... physics and mechanics of electrorheological fluids as well as their application to pumping de­ vices, dampers, engine mounts, and rotary clutches. Experimental data are presented for a sandwich beam with

The Tarsometatarsus of the Ostrich Struthio camelus: Anatomy, Bone Densities, and Structural Mechanics

structural response during locomotion. We describe the external and internal anatomy of the ostrich tarsometatarsus based on specimen observations, reviews of the literature, and computed tomographic (CT ... analyses of structural response through the step cycle (during both running and turning: [10]). Forces for such studies will be derived from experimental data and motion simulation through methods of

New trends in mechanics of masonry

Masonry. This is testified by the significant amount of papers published on this topic. Moreover, Meccanica published a special issue entitled ‘Masonry Construction: Structural Mechanics and Other Aspects ... accurately reproduce masonry structural response. Relevant and even pioneer contributions can be found proposing analytical methods to evaluate the limit load of masonry elements, such as walls and arches

Superdensity operators for spacetime quantum mechanics

are credited. References [1] V.I. Arnold, Mathematical methods of classical mechanics, Springer, Germany (1989).CrossRefGoogle Scholar [2] R. Haag, Local quantum physics: fields, particles ... , algebras, Springer, Germany (2012).zbMATHGoogle Scholar [3] R.B. Griffiths, Consistent histories and the interpretation of quantum mechanics, J. Statist. Phys. 36 (1984) 219 [INSPIRE

Structural Damage Detection Using Energy Flow Models

nucleation and growth increase structural damping which makes this phenomenon useful as a damage locator. This paper examines the energy flow patterns caused by localized damping in rods, beams and plates ... Spectral Element Method (ESEM) in order to detect and locate damage. The analyses are performed at high frequencies, where any localized structural change has a strong influence in the structural response

Theoretical open-loop model of respiratory mechanics in the extremely preterm infant

. To address the continued challenge of studying treatments in this fragile population, we developed a nonlinear lumped-parameter respiratory system mechanics model of the extremely preterm infant that ... specifically at this vulnerable population. In this work, we have developed a nonlinear computational model of respiratory mechanics parameterized for the extremely preterm infant that demonstrates differential

Review: Hydrocodes for Structural Response to Underwater Explosions

The applicability of the various hydrocode methodologies (Lagrangian, Eulerian, Coupled Eulerian–Lagrangian, and Arbitrary Lagrangian–Eulerian) for structural response to underwater explosions is ... structural dynamics, or CSD, is a subset). “Hydrocodes” are computational continuum mechanics tools that simulate the response of both solid and fluid material under such highly dynamic conditions (e.g

Numerical algorithm for solving of nonlinear problems of structural mechanics based on the continuation method in combination with the dynamic relaxation method

Trushin 0 0 NRU MGSU, Department of Structural and Theoretical Mechanics , Yaroslavskoe sh. 26, 129337 Moscow , Russia A numerical algorithm of strength and stability analysis of nonlinear deformable bar ... . Batoz , G. Dhatt, Int. J. Numer . Meth. Eng. 14 , 1262 ( 1979 ) 5. V.V. Petrov , Nonlinear incremental structural mechanics (Infra- Inzheneriya , Moscow, 2014 ) 6. I.E. Mileikowskii , S.I. Trushin

Geophysical field disturbances and quantum mechanics

mechanics assuming the so-called classical physics in which frames the phenomena have no apparent explanation to be a component of quantum mechanics. Here physicists has called attention to a particular ... QE state behave like a single substance, despite the fact that there are no interaction between its parts and particles can be at any large distance from each other. In quantum mechanics it means that

Skeletal muscle mechanics, energetics and plasticity

on skeletal muscle mechanics, energetics and plasticity at the 2016 Biomechanics and Neural Control of Movement Conference (BANCOM 2016). Dr. Lieber revisits the topic of sarcomere length as a ... . Overall, we are treated to a vast array of basic and clinical problems in skeletal muscle mechanics and physiology, with some solutions, and many suggestions for future research. Muscle mechanics; Cross

Nonextensive statistical mechanics : implications to quantum information

foundation with a variational underpinning founded on an “entropy” maximization, which may be called Quantum Statistical Mechanics [ 1 ]. The specific form of the entropy as a functional of the density ... D. C. Recently the focus of his work has been in Statistical Mechanics and Quantum Information. R. W. Rendell obtained a PhD in Physics from the University of California at Santa Barbara. For the

Morphology and mechanics of fungal mycelium

We study a unique biomaterial developed from fungal mycelium, the vegetative part and the root structure of fungi. Mycelium has a filamentous network structure with mechanics largely controlled by ... cell wall of two different species (Saccharopolyspora erythraea and Aspergillus nidulans respectively) in the range 110–140 MPa. Microscopically, mycelium is a biopolymer network in which the mechanics

Influence of Structural Plane Microscopic Parameters on Direct Shear Strength

Structural plane is a key factor in controlling the stability of rock mass engineering. To study the influence of structural plane microscopic parameters on direct shear strength, this paper ... Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Structural plane is a key factor in

Joints Parameters Identification in Numerical Modeling of Structural Dynamics

result in unreliable or even error descriptions. 13 Hz deviations may cause resonance especially in engineering optimization issues; hence it is necessary to identify joints parameters for structural ... joints parameters perturbation and structural dynamics is derived to give the selecting reason of parameters’ identification. The actual dynamics of an SUV’s frame and a thin-walled part in BIW (body in

Reinforcing the Structural Stability of Old Nationally Important Trees with FRP Wraps

This study evaluated the structural effects of applying fiber-reinforced polymer (FRP) wraps around their trunks to support old trees of national importance. High wind loads such as windstorms or

Introducing Fuzziness in CDS Pricing under a Structural Model

. However, almost all the above literature focuses on pricing determined by the reduced-form models; few of them have ever studied credit risk analysis and its derivatives pricing. The structural default ... derivatives pricing. Therefore, it is necessary to analyze credit default risks and construct a credit default swap pricing model in a fuzzy random environment from the perspective of a pricing structural model

Fracture mechanics based assessment of manufacturing defects laying at the edge of CFRP-metal bondlines

This study presents a simplified approach for the evaluation of the bond line load capacity of CFRP-metal hybrid structural parts, bearing manufacturing defects. The proposed approach overcomes the ... -processing of the stress and strain fields developed at the free edges of the hybrid material (critical locations in the presence of manufacturing defects), with the use of interfacial fracture mechanics