Frequency domain identification of the fractional Kelvin-Voigt's parameters for viscoelastic materials

M Shabani, K Jahani, M Di Paola, MH Sadeghi - Mechanics of Materials, 2019 - Elsevier
In this work, a new innovative method is used to identify the parameters of fractional Kelvin-
Voigt constitutive equation. These parameters are: the order of fractional derivation operator …

Introducing an innovative FRF-based method for identification of an adhesive joint characteristics

M Dehnad, K Jahani, A Esmaeili, M Sadeghi - International Journal of …, 2024 - Elsevier
An energy harvesting system can be attached to the host structure using adhesive joint with
viscoelastic behavior. Adhesive joints having nonlinear properties, significantly alter the …

An Improved Strain Field Reconstruction Method Based on Digital Twin for Test Monitoring

B Wang, X Ke, Z Song, K Du, X Bi, P Hao… - Experimental Mechanics, 2024 - Springer
Background For the static loading test in the aerospace field, conventional strain field
reconstruction methods relying on finite element analysis (FEA) or test data are difficult to …

Identifying the parameters of viscoelastic model for a gel-type material as representative of cardiac muscle in dynamic tests

M Siami, K Jahani, M Rezaee - Proceedings of the Institution …, 2021 - journals.sagepub.com
In this paper, mechanical parameters of a calf heart muscle are identified and a gel-type
material as the representative of the cardiac muscle in dynamic tests is introduced. The …

Identification of the dynamic characteristics of a viscoelastic, nonlinear adhesive joint

T Naraghi, AS Nobari - Journal of sound and vibration, 2015 - Elsevier
In this paper, the nonlinear mechanical characteristics of an adhesive (Sikaflex-252) are
identified over frequency range, using eigenvalues of nonlinear system and inverse eigen …

[HTML][HTML] Predicting the dynamic material constants of Mooney-Rivlin model in broad frequency range for elastomeric components

K Jahani, H Mahmoodzade - Latin American Journal of Solids and …, 2014 - SciELO Brasil
In this paper, dynamic material constants of 2-parameter Mooney-Rivlin model for
elastomeric components are identified in broad frequency range. To consider more practical …

How joint characteristics between a piezoelectric beam and the main structure affect the performance of an energy harvester

K Jahani, MM Rafiei, P Aghazadeh - Smart Materials and …, 2017 - iopscience.iop.org
In this paper, the influence of the joint region between a piezoelectric energy harvesting
beam and the vibratory main structure is studied. The investigations are conducted in two …

Identification of Dynamic Characteristics of Electrorheological Dampers Using a Combination of Least Squares and Radial Basis Function Neural Networks …

K Jahani, S Sandri, F Afagh… - ASME …, 2021 - asmedigitalcollection.asme.org
Dynamic characteristics of electrorheological dampers are identified using a procedure that
includes dynamic testing, modelling, and a combination of least squares and radial basis …

Experimental identification of mechanical and damping properties of a viscoelastic material using the relaxation test

F Imani, K Jahani - Modares Mechanical Engineering, 2019 - lcq.modares.ac.ir
This study aims to extract the dynamic parameters of a viscoelastic material sample. The
mechanical model considered for material is the standard linear solid model. To extract the …

تخمین استحکام فشاری ماسه ریخته‌گری در مقادیر مختلف رطوبت با استفاده از شبکه عصبی مصنوعی

مشک آبادی, رامین, مرامی, جهانی - Journal of Modern Processes in Manufacturing …‎ - journals.iau.ir
کیفیت قطعات ریخته‌گری درقالب‌گیری ماسه به‌طور چشم‌گیری به خواص ماسه‌ی مورد استفاده از
قبیل استحکام فشاری، نفوذپذیری، سختی قالب و... بستگی دارد که این خواص نیز به …