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Determination and comparison of mechanical properties of articular cartilage using pro-hyper-viscoelastic models based on an unconfined stress relaxation [PDF]

open access: yesمجله مدل سازی در مهندسی, 2021
Recently, the most common tool to compensate for various organ defects is tissue transplantation with several problems involved. These problems have led to the rapid growth of tissue engineering with a designed tissue approach or organ substitute in the ...
reza balali dehkordi   +3 more
doaj   +1 more source

On the physical equations of a deformable body at the loading step with implementation based on a mixed FEM [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2023
To obtain the deformation matrix of the prismatic finite element at the loading step, taking into account the physical nonlinearity, three variants of physical equations were used.
Gureeva, Natalia A.   +4 more
doaj   +1 more source

Features of complex vibrations of flexible micropolar mesh panels [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2021
In this paper, a mathematical model of complex oscillations of a flexible micropolar cylindrical mesh structure is constructed. Equations are written in displacements.
Krylova, Ekaterina Yu.   +3 more
doaj   +1 more source

Determining the Compression-Equivalent Deformation of SBR-Based Rubber Material Measured in Tensile Mode Using the Finite Element Method

open access: yesApplied Mechanics, 2021
A timesaving characterization approach of rubber materials in compression using the finite element method (FEM) is presented. Rubber materials based on styrene butadiene rubber (SBR) are subjected to tensile and compression tests.
Sahbi Aloui, Mohammed El Yaagoubi
doaj   +1 more source

Finite Element Model of the Strain Gauge For Determining Uniaxial Tension [PDF]

open access: yesTransactions of the VŠB-Technical University of Ostrava, Mechanical Series, 2013
Strain gauge is device used to measure the mechanical strains of solid bodies. Deformation of the strain gauge element causes changes its electrical resistance.
Vladimír GOGA
doaj   +1 more source

ON CALCULATIONS OF MECHANICAL PROPERTIES OF HONEYCOMB PRODUCED BY FDM MANUFACTURING

open access: yesАвіаційно-космічна техніка та технологія, 2021
Honeycomb is described by orthotropic homogeneous media. The mechanical properties of the media are described by the simulation of the stress state honeycomb in commercial software ANSYS. The classical hexagonal honeycomb is analyzed numerically.
Борис Валерьевич Успенский   +3 more
doaj   +1 more source

Micro-damage analysis and numerical simulation of composite solid propellant based on in situ tensile test

open access: yesScience and Engineering of Composite Materials, 2023
In order to quantitatively analyze the mesoscopic damage process of hydroxyl-terminated polybutadiene composite solid propellant under external load, periodic boundary conditions were applied to the representative volume element model based on sample ...
Li Yongqiang, Li Gaochun
doaj   +1 more source

Cross-Sectional Shape Optimization of Cylindrical Elastomer Spring for Sensitive Cargo Container

open access: yesApplied Sciences, 2023
High-value sensitive cargoes are often damaged by low-frequency vibration and shock of containers during land and rail transport processes or mixed transport processes.
Kyung-Sik Kim, Chul-Su Kim
doaj   +1 more source

Compression and Fungal Heat Production in Maize Bulk Considering Kernel Breakage

open access: yesApplied Sciences, 2022
Breakage in maize kernels and vertical pressure in grains lead to the uneven distribution of grain bulk density, which easily causes undesired problems in terms of grain storage.
Chaosai Liu   +4 more
doaj   +1 more source

A Statistical Damage Constitutive Model of Anisotropic Rock: Development and Validation

open access: yesGeofluids, 2021
The damage constitutive model is of great significance to research the stress-strain relationship and damage evolution of rock under loading in engineering.
Tenglong Rong   +5 more
doaj   +1 more source

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