A5076357428- Matrix Theory and Algorithms
- Nonlocal and gradient elasticity in micro/nano structures
- Microstructure and mechanical properties
- Advanced Operator Algebra Research
- Holomorphic and Operator Theory
- Composite Structure Analysis and Optimization
- Iterative Methods for Nonlinear Equations
- Geotechnical Engineering and Analysis
- Spectral Theory in Mathematical Physics
- Geotechnical Engineering and Soil Mechanics
- Carbon Nanotubes in Composites
- Aeroelasticity and Vibration Control
- Landslides and related hazards
- Electrochemical sensors and biosensors
- Mechanical and Optical Resonators
- Analytical Chemistry and Sensors
- Advanced Optimization Algorithms Research
- Analytical chemistry methods development
- Numerical methods in engineering
- Structural Engineering and Vibration Analysis
- Metal Forming Simulation Techniques
- Structural Load-Bearing Analysis
- Structural Analysis and Optimization
University of Tehran
2022
Isfahan University of Technology
2010-2017
Vali Asr University of Rafsanjan
2016
Islamic Azad University, Abhar Branch
2016
Abstract In geotechnical engineering, the accurate estimation of fundamental soil properties, such as shear modulus ratio ( G/G max ) and damping D ), is crucial to design analyze various structures subjected dynamic loads. This study presents a comprehensive investigation on harnessing power machine learning techniques precisely predict granular soils. Using an extensive dataset gathered from cyclic triaxial resonant column tests diverse mixtures sand gravel, combined with previous research...
We investigate positive definite solutions of nonlinear matrix equationswhere Q is a matrix, Φ and i (1 m) are linear maps on M n (C) f nonnegative monotone or antimonotone function [0,∞) .In this article, using appropriate inequalities some fixed point results, we prove the existence unique for mentioned above equations.
In this paper, using energy method, small scale effects on the buckling analysis of a double-walled carbon nanotube (DWCNT) under external radial pressure is studied. The constitutive equations derived for DWCNT nonlocal theory elasticity which Eringen are presented first time. By minimizing second variation total DWCNT, hence, value critical load obtained. It seen from results that increases with increasing circumferential wave number. Moreover, it lower than local one. shown ratio...
Let $A,B$ and $C$ be adjointable operators on a Hilbert $C^*$-module $\mathscr{E}$. Giving suitable version of the celebrated Douglas theorem in context $C^*$-modules, we present general solution equation $AX+YB=C$ when ranges are not necessarily closed. We examine result Fillmore Williams setting $C^*$-modules. Moreover, obtain some necessary sufficient conditions for existence $AXA^*+BYB^*=C$. Finally, deduce that there exist nonzero $X, Y\geq 0$ $Z$ such $AXA^*+BYB^*=CZ$, $A, B$ given...
In this paper, using solvability theorems for matrix equations, generally applicable results are proved the existence of positive semidefinite or asymptotically solution.In following, a question about equation f (A)X + X (A) = AB BA is answered.This was asked, first by Chan and Kwong [6] then Furuta [7].