Edit Profile (opens in new tab) Askari, Hassan Randjbar Co-Author Distance Author ID: askari.hassan-randjbar Published as: Askari, Hassan; Askari, H.; Askari, Hassan Randjbar; Askari, H. R. more...less Documents Indexed: 27 Publications since 1995, including 1 Book Co-Authors: 16 Co-Authors with 24 Joint Publications 328 Co-Co-Authors all top 5 Co-Authors 0 single-authored 10 Saadatnia, Zia 9 Ansari, Alireza 7 Younesian, Davood 6 Kalamiyazdi, Mohammad 5 Yıldırım, Ahmet 3 Khan, Yasir 2 Esmailzadeh, Ebrahim 1 Ahmadpoor, Mohammad Ali 1 Ahmadpour, M. A. 1 Daeichin, M. 1 Fidan, Barış 1 Hashemzadeh Kalvari, Arman 1 Hosseinkhani, Ali 1 Jamshidifar, Hamed 1 Nejad, A. Asghari 1 Riazi, Nematollah 1 Safaie, N. 1 Wu, Qingbiao 1 Yazdi, M. Kalami all top 5 Serials 3 Computers & Mathematics with Applications 3 Integral Transforms and Special Functions 2 International Journal of Theoretical Physics 2 Applied Mathematics Letters 2 Asian-European Journal of Mathematics 1 Applicable Analysis 1 Journal of Engineering Mathematics 1 Journal of Mathematical Analysis and Applications 1 Applied Mathematics and Computation 1 Mathematical and Computer Modelling 1 Nonlinear Dynamics 1 Mathematical & Computational Applications 1 Communications in Nonlinear Science and Numerical Simulation 1 Waves in Random and Complex Media 1 Solid Mechanics and Its Applications 1 Advances in Applied Mathematics and Mechanics 1 Asian Journal of Control 1 Analysis and Mathematical Physics 1 Fractional Differential Calculus 1 Computational Methods for Differential Equations all top 5 Fields 8 Ordinary differential equations (34-XX) 5 Special functions (33-XX) 5 Integral transforms, operational calculus (44-XX) 5 Mechanics of particles and systems (70-XX) 4 Real functions (26-XX) 4 Numerical analysis (65-XX) 3 Partial differential equations (35-XX) 3 Mechanics of deformable solids (74-XX) 1 Functions of a complex variable (30-XX) 1 Approximations and expansions (41-XX) 1 Integral equations (45-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Differential geometry (53-XX) 1 Probability theory and stochastic processes (60-XX) 1 Fluid mechanics (76-XX) 1 Optics, electromagnetic theory (78-XX) 1 Quantum theory (81-XX) 1 Relativity and gravitational theory (83-XX) 1 Systems theory; control (93-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 20 Publications have been cited 168 times in 110 Documents Cited by ▼ Year ▼ Frequency analysis of strongly nonlinear generalized Duffing oscillators using he’s frequency-amplitude formulation and He’s energy balance method. Zbl 1193.65152 Younesian, Davood; Askari, Hassan; Saadatnia, Zia; Kalamiyazdi, Mohammad 38 2010 Approximate periodic solutions for the Helmholtz-Duffing equation. Zbl 1236.65103 Askari, H.; Saadatnia, Z.; Younesian, D.; Yildirim, A.; Kalami-Yazdi, M. 16 2011 Elastic and viscoelastic foundations: a review on linear and nonlinear vibration modeling and applications. Zbl 1430.74004 Younesian, Davood; Hosseinkhani, Ali; Askari, Hassan; Esmailzadeh, Ebrahim 14 2019 Analysis of nonlinear oscillations of a punctual charge in the electric field of a charged ring via a Hamiltonian approach and the energy balance method. Zbl 1228.78003 Yildirim, A.; Askari, H.; Saadatnia, Z.; Kalamiyazdi, M.; Khan, Y. 13 2011 Application of the Hamiltonian approach to nonlinear oscillators with rational and irrational elastic terms. Zbl 1225.34044 Yildirim, Ahmet; Saadatnia, Z.; Askari, H. 12 2011 Higher-order approximate periodic solutions for nonlinear oscillators with the Hamiltonian approach. Zbl 1272.70110 Yildirim, A.; Saadatnia, Z.; Askari, H.; Khan, Y.; Kalamiyazdi, M. 12 2011 On fractional calculus of \(\mathcal A_{2n+1}(x)\) function. Zbl 1410.33017 Ansari, Alireza; Askari, Hassan 12 2014 Analytical approximate solutions for the generalized nonlinear oscillator. Zbl 1425.70035 Younesian, D.; Askari, H.; Saadatnia, Z.; Kalamiyazdi, M. 9 2012 Nonlinear vibration analysis of a rigid rod on a circular surface via Hamiltonian approach. Zbl 1371.74125 Khan, Y.; Wu, Q.; Askari, H.; Saadatnia, Z.; Kalami-Yazdi, M. 8 2010 Analytical approximations to the solutions for a generalized oscillator with strong nonlinear terms. Zbl 1276.34009 Cveticanin, L.; Kalami-Yazdi, M.; Askari, H. 8 2012 Airy functions and Riesz fractional trigonometric operators. Zbl 1393.33005 Askari, Hassan; Ansari, Alireza 6 2018 Distributed order fractional diffusion equation with fractional Laplacian in axisymmetric cylindrical configuration. Zbl 1500.35290 Ansari, Alireza; Derakhshan, Mohammad Hossein; Askari, Hassan 6 2022 A relationship between three analytical approaches to nonlinear problems. Zbl 1250.65096 Yildirim, A.; Askari, H.; Yazdi, M. Kalami; Khan, Y. 6 2012 Analytical solution for nonlinear wave propagation in shallow media using the variational iteration method. Zbl 1291.76071 Younesian, Davood; Askari, Hassan; Saadatnia, Zia; Yıldırım, Ahmet 5 2012 Analytical methods in nonlinear oscillations. Approaches and applications. Zbl 1439.34002 Esmailzadeh, Ebrahim; Younesian, Davood; Askari, Hassan 5 2019 On Mellin transforms of solutions of differential equation \(\chi^{(n)}(x)+\gamma_nx\chi (x)=0\). Zbl 1452.33002 Askari, Hassan; Ansari, Alireza 4 2020 Fractional calculus of variations with a generalized fractional derivative. Zbl 1438.49035 Askari, Hassan; Ansari, Alireza 4 2016 Asymptotic analysis of the Wright function with a large parameter. Zbl 1487.33016 Ansari, Alireza; Askari, Hassan 3 2022 Rational energy balance method to nonlinear oscillators with cubic term. Zbl 1274.65284 Daeichin, M.; Ahmadpoor, M. A.; Askari, H.; Yildirim, A. 2 2013 Lebedev identities and integral representations of products of Hermite functions. Zbl 1497.33010 Ansari, Alireza; Askari, Hassan 1 2022 Distributed order fractional diffusion equation with fractional Laplacian in axisymmetric cylindrical configuration. Zbl 1500.35290 Ansari, Alireza; Derakhshan, Mohammad Hossein; Askari, Hassan 6 2022 Asymptotic analysis of the Wright function with a large parameter. Zbl 1487.33016 Ansari, Alireza; Askari, Hassan 3 2022 Lebedev identities and integral representations of products of Hermite functions. Zbl 1497.33010 Ansari, Alireza; Askari, Hassan 1 2022 On Mellin transforms of solutions of differential equation \(\chi^{(n)}(x)+\gamma_nx\chi (x)=0\). Zbl 1452.33002 Askari, Hassan; Ansari, Alireza 4 2020 Elastic and viscoelastic foundations: a review on linear and nonlinear vibration modeling and applications. Zbl 1430.74004 Younesian, Davood; Hosseinkhani, Ali; Askari, Hassan; Esmailzadeh, Ebrahim 14 2019 Analytical methods in nonlinear oscillations. Approaches and applications. Zbl 1439.34002 Esmailzadeh, Ebrahim; Younesian, Davood; Askari, Hassan 5 2019 Airy functions and Riesz fractional trigonometric operators. Zbl 1393.33005 Askari, Hassan; Ansari, Alireza 6 2018 Fractional calculus of variations with a generalized fractional derivative. Zbl 1438.49035 Askari, Hassan; Ansari, Alireza 4 2016 On fractional calculus of \(\mathcal A_{2n+1}(x)\) function. Zbl 1410.33017 Ansari, Alireza; Askari, Hassan 12 2014 Rational energy balance method to nonlinear oscillators with cubic term. Zbl 1274.65284 Daeichin, M.; Ahmadpoor, M. A.; Askari, H.; Yildirim, A. 2 2013 Analytical approximate solutions for the generalized nonlinear oscillator. Zbl 1425.70035 Younesian, D.; Askari, H.; Saadatnia, Z.; Kalamiyazdi, M. 9 2012 Analytical approximations to the solutions for a generalized oscillator with strong nonlinear terms. Zbl 1276.34009 Cveticanin, L.; Kalami-Yazdi, M.; Askari, H. 8 2012 A relationship between three analytical approaches to nonlinear problems. Zbl 1250.65096 Yildirim, A.; Askari, H.; Yazdi, M. Kalami; Khan, Y. 6 2012 Analytical solution for nonlinear wave propagation in shallow media using the variational iteration method. Zbl 1291.76071 Younesian, Davood; Askari, Hassan; Saadatnia, Zia; Yıldırım, Ahmet 5 2012 Approximate periodic solutions for the Helmholtz-Duffing equation. Zbl 1236.65103 Askari, H.; Saadatnia, Z.; Younesian, D.; Yildirim, A.; Kalami-Yazdi, M. 16 2011 Analysis of nonlinear oscillations of a punctual charge in the electric field of a charged ring via a Hamiltonian approach and the energy balance method. Zbl 1228.78003 Yildirim, A.; Askari, H.; Saadatnia, Z.; Kalamiyazdi, M.; Khan, Y. 13 2011 Application of the Hamiltonian approach to nonlinear oscillators with rational and irrational elastic terms. Zbl 1225.34044 Yildirim, Ahmet; Saadatnia, Z.; Askari, H. 12 2011 Higher-order approximate periodic solutions for nonlinear oscillators with the Hamiltonian approach. Zbl 1272.70110 Yildirim, A.; Saadatnia, Z.; Askari, H.; Khan, Y.; Kalamiyazdi, M. 12 2011 Frequency analysis of strongly nonlinear generalized Duffing oscillators using he’s frequency-amplitude formulation and He’s energy balance method. Zbl 1193.65152 Younesian, Davood; Askari, Hassan; Saadatnia, Zia; Kalamiyazdi, Mohammad 38 2010 Nonlinear vibration analysis of a rigid rod on a circular surface via Hamiltonian approach. Zbl 1371.74125 Khan, Y.; Wu, Q.; Askari, H.; Saadatnia, Z.; Kalami-Yazdi, M. 8 2010 all cited Publications top 5 cited Publications all top 5 Cited by 170 Authors 20 Ansari, Alireza 13 Askari, Hassan Randjbar 7 Saadatnia, Zia 6 Younesian, Davood 4 Kalamiyazdi, Mohammad 4 Khan, Yasir 4 Yıldırım, Ahmet 3 Akbarzade, Mehdi 3 Ge, Gen 2 Ahn, Jeongho 2 Bochkarev, Andreĭ Vladimirovich 2 Dang Van Hieu 2 Darani, Mohammadreza Ahmadi 2 Eshaghi, Shiva 2 Esmailzadeh, Ebrahim 2 He, Ji-Huan 2 Hosseinkhani, Ali 2 Marasi, H. R. 2 Mohammadian, Mostafa 2 Moslehi, Leila 2 Wang, Wei 2 Yazdi, M. Kalami 1 Aderyani, Safoura Rezaei 1 Ahmadpoor, Mohammad Ali 1 Ahmadpour, M. A. 1 Alam Khan, Najeeb 1 Alhaz Uddin, M. 1 Allahviranloo, Tofigh 1 Almeida, Ricardo 1 Arribas, Enrique 1 Askari, Ehsan 1 Beléndez, Augusto 1 Big-Alabo, Akuro 1 Bo, Zhe 1 Bongarzone, Alessandro 1 Boschi, Martina 1 Boyaci, Hakan 1 Bravo-Castillero, Julián 1 Cajić, Milan 1 Chacón-Acosta, Guillermo 1 Chakouvari, H. Fallahnejad 1 Chakouvari, S. 1 Chang, Der-Chen E. 1 Changizian, Maziar 1 Chen, Anjun 1 Chen, Like 1 Chernenko, Aleksandr Viktorovich 1 Daeichin, M. 1 Demeio, Lucio 1 Derakhshan, Mohammad Hossein 1 Durmaz, Seher 1 El-Dib, Yusry O. 1 Elgazery, Nasser S. 1 Elías-Zúñiga, Alex 1 Elishakoff, Isaac 1 Elmas, N. 1 Erbaş, Bariş 1 Erofeev, Vladimir I. 1 Farhangdoust, Saman 1 Feng, Sheng-Ya 1 Feng, Yuqiang 1 Francés, Jorge 1 Gallaire, François 1 Ganji, Davood Dimiri 1 Geng, Yixiang 1 Geranpour, M. 1 Ghaziani, Reza Khoshsiar 1 Gonçalves, Paulo Batista 1 González-Gaxiola, Oswaldo 1 Guido, Margherita 1 Guo, Fang 1 Gupta, Praveen Kumar 1 Gupta, Sumit 1 Hashemi, Gholamreza 1 He, Tianhu 1 Hernandez-Martínez, Luis 1 Hong, Ling 1 Hosseini, Hamed 1 Hung, Dao Tuan 1 Ismail, Gamal Mohamed 1 Jiang, Jun 1 Jiang, Jun 1 Ju, Peijun 1 Kaplunov, Julius D. 1 Kargar, Ali Reza 1 Karličić, Danilo Z. 1 Karlstrom, Leif 1 Kaya, Metin Orhan 1 Khan, Nadeem Alam 1 Kofané, Timoléon Crépin 1 Kolkovska, Natalia T. 1 Krusser, Anastasiya Igorevna 1 Kumar, Devendra 1 Kumar, Pushpendra 1 Lashkarboluki, Amirreza 1 Lazarević, Mihailo P. 1 Lenci, Stefano 1 Li, Shougui 1 Li, Zepeng 1 Li, Zigang ...and 70 more Authors all top 5 Cited in 60 Serials 6 Mathematical Problems in Engineering 6 International Journal of Applied and Computational Mathematics 5 Computers & Mathematics with Applications 5 Mathematical and Computer Modelling 5 Integral Transforms and Special Functions 4 Applied Mathematical Modelling 3 Chaos, Solitons and Fractals 3 Applied Mathematics Letters 3 Computational and Applied Mathematics 3 Journal of the Egyptian Mathematical Society 3 Nonlinear Dynamics 3 Journal of Applied Mathematics 2 Journal of Mathematical Analysis and Applications 2 Applied Mathematics and Computation 2 Journal of Computational and Applied Mathematics 2 Mathematics and Computers in Simulation 2 Abstract and Applied Analysis 2 Journal of Applied Mechanics and Technical Physics 2 European Journal of Mechanics. A. Solids 2 Waves in Random and Complex Media 2 Asian-European Journal of Mathematics 2 Analysis and Mathematical Physics 2 Computational Methods for Differential Equations 2 AMM. Applied Mathematics and Mechanics. (English Edition) 1 Acta Mechanica 1 Applicable Analysis 1 Journal of Engineering Mathematics 1 Journal of Fluid Mechanics 1 Mathematical Methods in the Applied Sciences 1 Wave Motion 1 ZAMP. Zeitschrift für angewandte Mathematik und Physik 1 Publications de l’Institut Mathématique. Nouvelle Série 1 Statistics & Probability Letters 1 Physica D 1 International Journal of Computer Mathematics 1 Electronic Journal of Differential Equations (EJDE) 1 Discrete and Continuous Dynamical Systems 1 Journal of Vibration and Control 1 Mathematics and Mechanics of Solids 1 Analysis (München) 1 Communications in Nonlinear Science and Numerical Simulation 1 Nonlinear Analysis. Real World Applications 1 Mathematical Modelling and Analysis 1 Nonlinear Dynamics and Systems Theory 1 Theoretical and Applied Mechanics 1 Boletim da Sociedade Paranaense de Matemática. Terceira Série 1 Advances in Difference Equations 1 International Journal of Numerical Analysis and Modeling 1 The European Physical Journal B. Condensed Matter and Complex Systems 1 Chinese Journal of Physics (Taipei) 1 Vestnik Samarskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki 1 Advances in Applied Mathematics and Mechanics 1 Symmetry 1 Iranian Journal of Mathematical Chemistry 1 Izvestiya Saratovskogo Universiteta. Novaya Seriya. Seriya Matematika, Mekhanika, Informatika 1 Arabian Journal of Mathematics 1 Axioms 1 Journal of Classical Analysis 1 Chinese Journal of Mathematics 1 Russian Journal of Nonlinear Dynamics all top 5 Cited in 28 Fields 39 Ordinary differential equations (34-XX) 29 Mechanics of deformable solids (74-XX) 26 Numerical analysis (65-XX) 25 Partial differential equations (35-XX) 16 Mechanics of particles and systems (70-XX) 13 Real functions (26-XX) 13 Special functions (33-XX) 10 Integral transforms, operational calculus (44-XX) 4 Dynamical systems and ergodic theory (37-XX) 4 Biology and other natural sciences (92-XX) 3 Probability theory and stochastic processes (60-XX) 3 Fluid mechanics (76-XX) 3 Optics, electromagnetic theory (78-XX) 2 Integral equations (45-XX) 1 Measure and integration (28-XX) 1 Functions of a complex variable (30-XX) 1 Difference and functional equations (39-XX) 1 Approximations and expansions (41-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Abstract harmonic analysis (43-XX) 1 Operator theory (47-XX) 1 Calculus of variations and optimal control; optimization (49-XX) 1 Statistics (62-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Quantum theory (81-XX) 1 Geophysics (86-XX) 1 Operations research, mathematical programming (90-XX) 1 Systems theory; control (93-XX) Citations by Year