الأبحاث

عبد الرحيم محمد عبده النجار

أستاذ متفرغ

كلية العلوم الرياضيات

The response of nonlinear controlled system under an external excitation via time delay state feedback

2014

Perturbation analysis of an electrostatic Micro-Electro-Mechanical System (MEMS) subjected to external and non-linear parametric excitations

2014

Control of the nonlinear oscillator bifurcation under a superharmonic resonance

2013

Harmonic and sub-harmonic resonance of MEMS subjected to a weakly non-linear parametric and external excitations

2013

Saddle-Node Bifurcation Control for an Odd Non-Linearity Problem.

2011

Periodic solution of the generalized Rayleigh equation

2008

The propagation of thermal stresses in an infinite elastic slab

2004

Periodic and non-periodic combination resonance in kinematically excited system of rods

2003

Analytical solution of electro-mechanical wave propagation in long bones

2001

Parametric excitation of subharmonic oscillations

1997

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Mathematics